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Figure 11-23. Exploded View of Alternator.

11-35. DESCRIPTION OF ALTERNATOR. (Refer to Figure 11-23.)

The principal components of the alternator are the brush holder assembly (1), the slip ring end head (2),

the rectifiers (3), the stator (4), the rotor (5) and the drive end head (6).

a.

The brush holder assembly contains two brushes, two brush springs, a brush holder and insulator. One
brush is connected to a terminal stud and is insulated from ground. The other brush is connected to
ground through the brush holder. The brush and holder assembly can easily be removed for inspection
or brush replacement purposes.

b. The slip ring end head provides the mounting for the rectifiers and rectifier mounting plate, output and

auxiliary terminal studs, and the brush and holder assembly. The slip ring end head contains a roller
bearing and outer race assembly and a grease seal.

c.

The rectifiers used in these units are rated at 150 peak inverse voltage (P.I.V.) minimum for transient
voltage protection. Three positive rectifiers are mounted in the rectifier mounting plate while the three
negative rectifiers are mounted in the slip ring end head. Each pair of rectifiers is connected to a stator
lead with high temperature solder. The stator leads are anchored to the rectifier mounting plate with
epoxy cement for vibration protection.

d. The stator contains a special lead which is connected to the center of the three phase windings. The

stator has been treated with a special epoxy varnish for high temperature resistance.

e.

The rotor contains the slip ring end bearing inner race and spacer on the slip ring end of the shaft. The
rotor winding and winding leads have been specially treated with a high temperature epoxy cement to
provide vibration and temperature resistance characteristics. High temperature solder is used to secure
the winding leads to the slip rings.

f.

The drive end head supports a sealed, prelubricated ball bearing in which the drive end of the rotor
shaft rotates.

Revised: 2/13/89

2H12

CHEROKEE ARROW III SERVICE MANUAL

ELECTRICAL SYSTEM

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Summary of Contents for ARROW III

Page 1: ...ARROW III TURBO ARROW III ARROW SERVICE MANUAL CARD 1 OF 3 PA 28R 201 201T PIPER AIRCRAFT CORPORATION PART NUMBER 761 639 1A1 Courtesy of Bomar Flying Service www bomar biz...

Page 2: ...elling punctuation indexing the physical location of the material or complete page additions are not identified by revision lines Revisions to Service Manual 761 639 issued December 15 1976 are as fol...

Page 3: ...RFACE CONTROLS 1F6 VI HYDRAULIC SYSTEM 1H5 VII LANDING GEAR AND BRAKE SYSTEM 1I22 AEROFICHE CARD NO 2 VIII POWER PLANT CONTINENTAL 2A9 VIIIA POWER PLANT LYCOMING 2C18 IX FUEL SYSTEM 2E8 X INSTRUMENTS...

Page 4: ...THIS PAGE INTENTIONALLY LEFT BLANK 1A4...

Page 5: ...t Continental Power Plant Propeller and Control Pivot Points 1C22 2 22 Lubrication Chart Back Up Extender 1C23 2 23 Lubrication Chart Air Conditioning Condenser 1C24 4 1 Aileron and Flap Installation...

Page 6: ...yne 1H15 6 4 Tests and Adjustments of Hydraulic Pump 1H16 6 5 Checking Aligning Brackets of Gear Back Up Extender Actuator 1H21 6 6 Gear Back Up Extender Actuator 1H22 6 7 Nose Gear Actuating Cylinder...

Page 7: ...B12 8 17 Engine Timing Marks 2B13 8 18 Removing Spring From Lead Assembly 2B15 8 19 Assembly Tool 2B17 8 20 Assembly Tool Application 2B17 8 21 Measuring Lead Assembly Length 2B17 8 22 Ferrule Seating...

Page 8: ...d Over For Installation of Eyelet 2D23 8A 29 Removing Spark Plug Frozen to Bushing 2E1 9 1 Fuel System Diagram PA 28R 201 2E11 9 1a Fuel System Diagram PA 28R 201 S N s 37001 and up 2E12 9 2 Fuel Syst...

Page 9: ...32 Temminal Assembly 2H17 11 33 Slip Ring End Bearing Assembly 2H18 11 34 Testing Alternator 2H18 11 35 Brush Installation 2H19 11 36 Internal Wiring Diagram 2H19 11 37 Exploded View of Gear Reductio...

Page 10: ...Testing Oxygen System 3C3 14 18 Oxygen Tubing Installations 3C4 14 19 Installation of Swageloc Fittings 3C7 14 20 Portable Oxygen Installation 3C14 LIST OF TABLES Aerofiche Table Grid No II I Leading...

Page 11: ...tity Indicators 2G11 X XIV Oil Temperature Indicators 2G12 X XV Cylinder Head Temperature Gauge 2G14 XI I Alternator Belt Tension 2H10 XI II Alternator Specifications 2H18 XI III Starting Motor Servic...

Page 12: ...THIS PAGE INTENTIONALLY LEFT BLANK 1A12...

Page 13: ...ion 1A14 1 4 Wing 1A14 1 5 Empennage 1A14 1 6 Fuselage 1A14 1 7 Landing Gear 1A14 1 8 Hydraulic System 1A15 1 9 Brake System 1A15 1 10 Engine 1A15 1 11 Propeller 1A15 1 12 Fuel System 1A15 1 13 Flight...

Page 14: ...ction of this manual For detailed operating instructions refer to the Pilot s Information Manual for the airplane Section II of this manual also gives leading particulars and principal dimensions alon...

Page 15: ...wl with fuel screen and electrical auxiliary fuel pump and an engine driven fuel pump 1 13 FLIGHT CONTROLS The flight controls are conventional equipment consisting of a control wheel which operates t...

Page 16: ...ng 1B7 2 13 Weighing 1B9 2 14 Leveling 1B9 2 15 Mooring 1B10 2 16 Locking Airplane 1B10 2 17 Parking 1B10 2 18 Towing 1B10 2 19 Taxiing 1B11 2 20 External Power Receptacle 1B11 2 21 Operation of Exter...

Page 17: ...Inspection 1B19 2 51 Installation of Air Filter 1B19 2 52 Propeller 1B19 2 53 Servicing Propeller 1B19 2 54 Fuel System 1B19 2 55 Servicing Fuel System 1B19 2 56 Filling Fuel Tanks 1B20 2 57 Draining...

Page 18: ...fuselage vertical stabilizer and rudder is 20 5 inches below the cabin floor as measured at the rear wing spar with the airplane level 2 4 WEIGHT AND BALANCE DATA When figuring various weight and bal...

Page 19: ...Figure 2 1 Three View of PA 28R 201T Issued 12 15 76 1A19 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 20: ...Figure 2 2 Three View of PA 28R 201 Issued 12 15 76 1A20 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 21: ...Figure 2 3 Station Reference Lines of PA 28R 201T Issued 12 15 76 1A21 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 22: ...Figure 2 4 Station Reference Lines of PA 28R 201 Issued 12 15 76 1A22 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 23: ...Figure 2 5 Access Plates and Panels Interim Revision 2 21 95 1A23 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 24: ...8 in Oil SAE Number See Table II III See Table II III Oil Sump Capacity 8 U S quarts 8 U S quarts Oil Consumption Maximum 010 lb bhp hr 009 above 75 power Fuel Aviation Grade Minimum and Specified Oct...

Page 25: ...m in 73 0 72 5 75 0 Blade Angle Low Pitch 12 5 0 2 14 0 0 2 14 4 0 2 Blade Angle High Pitch 29 8 0 5 29 2 29 1 0 Governor Control and Model Hartzell F 2 7 AZ Hartzell E 5 or Woodward G210681 Measured...

Page 26: ...essure Main 30 PSI 30 PSI FUEL SYSTEM Fuel Tanks Capacity each 38 5 gal 38 5 gal Unusable Fuel each 2 5 gal 2 5 gal Total Capacity 77 gal 77 gal Total Unusable Fuel Refer to Owner s Handbook Pilot s I...

Page 27: ...ufacturer If the bolt or nut is specified to be lubricated prior to tightening the torque range should be reduced 50 percent 3 Use a bolt length long enough to prevent bearing loads on the threads The...

Page 28: ...AN 525 NK525 MS 27039 NUTS Steel Tension Steel Shear AN 310 AN 320 AN 315 AN 364 AN 363 NAS 1022 AN 365 MS 17826 NAS 1021 MS 20364 MS 17825 MS 21045 MS 20365 MS 20500 NAS 679 Nut bolt Torque Limits To...

Page 29: ...AS 679 NAS 1291 Nut bolt Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits size in lbs in lbs in lbs in lbs in lbs in lbs Min Max Min Max Min Max Min Max Min Max Min...

Page 30: ...drag torque for all self locking fasteners as specified in the friction drag torque table For non self locking fasteners assume the friction drag torque to be zero d For bolt sizes other than those m...

Page 31: ...nd avoid pushing on the trailing edge of the ailerons for this will result in an out of trim condition 2 12 JACKING Jacking the airplane is necessary to service the landing gear and to perform other s...

Page 32: ...Figure 2 6 Jacking Arrangement Figure 2 7 Weighing Arrangement Issued 12 15 76 1B8 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 33: ...s or while the wheels are on the ground To level the airplane for purposes of weighing or rigging the following procedures may be used a To longitudinally level the airplane partially withdraw the two...

Page 34: ...cted against adverse weather conditions and presents no danger to other aircraft When parking the airplane for any length of time or overnight it is recommended that it be morred as in Paragraph 2 15...

Page 35: ...terial that may cause damage to the propeller blades 2 20 EXTERNAL POWER RECEPTACLE 2 21 OPERATION OF EXTERNAL POWER RECEPTACLE The external power receptacle is located on the right side of the fusela...

Page 36: ...em c Allow the solvent to remain on the gear from five to ten minutes then rinse the gear with additional solvent and allow to dry d Remove the cover from the wheel and remove the catch pan e Lubricat...

Page 37: ...dle soap or mild soap and water 2 28 CLEANING CARPETS Use a small whisk broom or vacuum to remove dirt For soiled spots use non inflammable dry cleaning fluid 2 29 SERVICING 2 30 INTRODUCTION OF SERVI...

Page 38: ...Figure 2 10 Servicing Points PA 28R 201 Revised 8 31 77 1B14 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 39: ...Figure 2 11 Servicing Points PA 28R 201T Issued 12 15 76 1B15 CHEROKEE ARROW III SERVICE MANUAL HANDLING AND SERVICING...

Page 40: ...ined at proper strut tube exposures for best oleo action The nose gear strut must have approximately 2 75 inches of piston tube exposed while the main gear strut requires approximately 2 0 inches of t...

Page 41: ...bubbles cease to flow through the hose compress the strut fully and remove the hose from the valve stem 5 With the strut compressed remove the filler plug to determine that the fluid level is visible...

Page 42: ...RAKE CYLINDER RESERVOIR The brake cylinder reservoir should be filled to the level marked on reservoir with the fluid specified in Table II I The reservoir located on the left side of the firewall in...

Page 43: ...emoval instructions 2 52 PROPELLER 2 53 SERVICING PROPELLER The spinner back plate and propeller surfaces should be cleaned and inspected frequently for nicks scratches corrosion and cracks Minor nick...

Page 44: ...rain each tank through its individual quick drain located at the lower inboard rear corner of the tank making sure that enough fuel has been drained to insure that all water and sediment is removed b...

Page 45: ...s well as the operation of all lights general condition of the alternator and starter All electrical wires should be inspected for chafing and bare wires For detailed information on this system refer...

Page 46: ...that oil filter complies with specifications of Continental Aircraft Engine Service Bulletin M75 7 Warranty effectivity is dependent on the use of Continental engine parts per Continental Aircraft En...

Page 47: ...ed oil passages When an engine has been operating on straight mineral oil and is known to be in excessively dirty condition the switch to additive or compounded oil should be deferred until after the...

Page 48: ...APPLICATION GREASE Care must be taken when lubricating bearings and bearing surfaces with a grease gun to insure that gun is filled with new clean grease of the grade specified for the particular appl...

Page 49: ...a number the type of lubricant and the frequency of application Special instructions are listed at the beginning of the lubrication charts and with the applicable component illustration NOTE When the...

Page 50: ...245 F 1 C to 32 C 82 C 118 C SAE 30 0 F to 70 F 170 F 225 F 17 C to 20 C 77 C 107 C SAE 20 Below 10 F 160 F 210 F 12 C 71 C 99 C PA 28R 201T Average Average Ambient Grade Oil Air Temperature SAE 50 A...

Page 51: ...ize Graphite Petrolatum Landing Gear Air Valve 6PB Parker Oil MIL G 6032 Lubricating Grease Gasoline and Oil Resistant Pitot and Static TT A 580 JAN A 669 Anti Seize Compound White Lead Base NOTE Lubr...

Page 52: ...es to Millimeters Refer to Table II V A Example Convert 1 5 inches to millimeters 1 Read down inches column to 1 inches 2 Read across top inch column to 0 5 3 Read down and across to find millimeters...

Page 53: ...04 0 330 0 355 0 381 0 406 0 431 0 457 0 482 0 02 0 508 0 533 0 558 0 584 0 609 0 635 0 660 0 685 0 711 0 736 0 03 0 762 0 787 0 812 0 838 0 863 0 889 0 914 0 939 0 965 0 990 0 04 1 016 1 041 1 066 1...

Page 54: ...6 20 78 74 81 28 83 82 86 36 88 90 91 44 93 98 96 52 99 06 4 101 60 104 14 106 68 109 22 111 76 114 30 116 84 119 38 121 92 124 46 5 127 00 129 54 132 08 134 62 137 16 139 70 142 24 144 78 147 32 149...

Page 55: ...0 32 0 143 33 290 554 0 12 22 10 50 0 148 89 300 572 0 6 67 20 68 0 154 44 310 590 0 1 11 30 86 0 160 00 320 608 0 4 44 40 104 0 165 56 330 626 0 10 00 50 122 0 171 11 340 644 0 15 56 60 140 0 176 67...

Page 56: ...B AVDP 264 17 GAL 28 35 GRAMS 999 97 LITERS 437 5 GRAINS FEET 0 3048 METERS OUNCES FLUID 29 57 CU CM 12 000 MILS 1 805 CU IN 304 8 MM 0 3333 YARDS LB AVDP 453 6 GRAMS 7000 GRAINS FT LB 0 1383 M KG 16...

Page 57: ...0 111 2 8194 63 0 037 0 9398 23 64 0 3593 9 1262 13 64 0 2031 5 1594 35 0 110 2 794 64 0 036 0 9144 T 0 358 9 1281 7 0 201 5 1054 7 64 0 1093 2 7781 65 0 035 0 899 S 0 346 8 7884 8 0 199 5 0546 36 0...

Page 58: ...New York New York 10020 Texaco Aircraft Engine Texaco Inc 135 East 42nd St Oil Premium AD New York New York 10017 PA 28R 201 Lycoming MIL L 6082 Formula LB 1123 Atlantic Richfield Company Lubricating...

Page 59: ...Building Washington D C 20005 Shell Alvania EP Shell Oil Company 50 West Grease 2 50th St New York New York 10020 Grease High Low Temperature Aero Lubriplate Fiske Bros Refining Company Waterproof Ma...

Page 60: ...ompany 165 N Canal Gear and Actuator Screw No A72832 Chicago lllinois 60606 Royco 27A Royal Lubricants Company River Road Hanover New Jersy 07936 Aeroshell Grease 7 Shell Oil Company 50 West 50th St N...

Page 61: ...BRICATING NOTES 1 SEE THE LATEST REVISION OF LYCOMING SERVICE INSTRUCTIONS NO 1014 FOR USE OF DETERGENT OIL WITH LYCOMING ENGINE CAUTIONS 1 DO NOT USE HYDRAULIC FLUID WITH A CASTOR OIL OR ESTER BASE 2...

Page 62: ...R DOOR CONTROL ROD ENDS MIL L7870 100 HRS 7 MAIN GEAR SIDE BRACE LINK ASSEMBLY MIL LG 23827 100 HRS 8 UPPER SIDE BRACE SWIVEL FITTING MIL G 23827 100 HRS 9 MAIN GEAR DOWNLOCK ASSEMBLY RETRACTION FITTI...

Page 63: ...IL EP2 GREASE 100 HRS 7 NOSE GEAR DRAG LINK ASSEMBLIES MIL L 7870 100 HRS 8 NOSE GEAR TORQUE LINK ASSEMBLY AND STRUT HOUSING MIL G 23827 100 HRS 9 DOWNLOCK ROLLER TENSION SPRING SHIMMY DAMPENER AND AL...

Page 64: ...L 7870 100 HRS 5 CONTROL CABLE PULLEYS MIL L 7870 100 HRS 6 TRIM CONTROL WHEEL MIL L 7870 100 HRS 7 O RING CONTROL SHAFT BUSHING PARKER O RING LUBRICANT AS REQUIRED 8 TEE BAR PIVOT POINT MIL L 7870 10...

Page 65: ...PIVOT POINT LOCK MECHANISM AND TURNBUCKLE END MIL L 7870 100 HRS 4 FLAP RETURN AND TENSION CHAINS MIL L 7870 100 HRS 5 AILERON CONTROL ROD END BEARINGS MIL L 7870 100 HRS 6 AILERON BELLCRANK CABLE END...

Page 66: ...100 HRS 2 TOE BRAKE CYLINDER ATTACHMENTS MIL L 7870 100 HRS 3 RUDDER TUBE CONNECTIONS MIL L 7870 100 HRS 4 BRAKE ROD ENDS MIL L 7870 100 HRS Figure 2 17 Lubrication Chart Control System cont Issued 1...

Page 67: ...LATE OR MAG 1 FISKE BROS REFINING CO 100 HRS 3 STABILATOR SCREW TAB LINKS MIL L 7870 100 HRS 4 STABILATOR HINGE POINTS MIL L 7870 100 HRS 5 RUDDER TRIM ASSEMBLY MIL L 7870 100 HRS Figure 2 18 Lubricat...

Page 68: ...BROS REFINING CO 500 HRS 4 SEAT TRACK ROLLERS STOP PINS AND REAR SEAT AERO LUBRIPLATE OR LEG RETAINER CLIP AND CAM MAG 1 FISKE BROS REFINING CO 100 HRS 5 SEAT LATCH STOP PIVOT POINT COPILPT MIL L 7870...

Page 69: ...E OIL FILTERS 50 HRS 3 AIR FILTERS CLEAN AS OFTEN AS NECESSARY EVERYDAY UNDER SEVERE CONDITIONS 4 PROPELLER ASSEMBLY MIL G 23827 100 HRS 5 ENGINE CONTROL AND ENVIRONMENTAL CONTROL PIVOT POINTS MIL L 7...

Page 70: ...NECESSARY EVERYDAY UNDER SEVERE CONDITIONS 4 ALTERNATE AIR DOOR MIL L 7870 100 HRS 5 PROPELLER ASSEMBLY MIL G 23827 100 HRS 6 ENGINE CONTROL AND ENVIRONMENTAL CONTROL PIVOT POINTS MIL L 7870 100 HRS 7...

Page 71: ...CK UP EXTENDER LNKS AND CONTROL ARM PIVOT POINTS MIL L 7870 100 HRS 3 BACK UP EXTENDER SPRING ATTACHMENT POINTS MIL L 7870 100 HRS 4 ACTUATING ROD CONTACT POINTS AERO LUBRIPLATE 100 HRS OR MAG 1 Figur...

Page 72: ...SER HINGE AND ACTUATORS MIL L 7870 100 HRS 2 CONDENSER DOOR ACTUATING TRANSMISSION MIL G 23827 500 HRS Figure 2 23 Lubrication Chart Air Conditioning Condenser Issued 12 15 76 1C24 CHEROKEE ARROW III...

Page 73: ...troduction 1D2 3 2 Recommended Lubrication 1D2 3 3 Inspection Periods 1D2 3 4 Inspection Requirements 1D2 3 5 Preflight Inspection 1D3 3 6 Overlimits Inspection 1D3 3 7 Special Inspection 1D3 3 8 Serv...

Page 74: ...ocedure is broken down into eight major groups which are Propeller Engine Cabin Fuselage and Empennage Wing Landing Gear Operational Inspection and General The first column in each group lists the ins...

Page 75: ...ng navigation and cabin instrument lights are all operating r The fuel selector valve is operating properly s The throttle mixture and propeller controls are all operating properly t All systems are o...

Page 76: ...ove propeller and clean sludge from propeller and shaft O O 10 Inspect complete propeller assembly for security chafing deterioration wear and correct installation O O O 11 Overhaul propeller per manu...

Page 77: ...O O O 14 Inspect magneto or oil seal leakage O O O 15 Inspect breaker felts for proper lubrication O O O 16 Inspect distributor block for cracks burned areas or corrosion and height of contact springs...

Page 78: ...O O O 38 Inspect engine mounts for cracks and loose O O O 39 Inspect rubber engine mount bushings for deterioration replace as reqd or at engine overhaul O O O 40 Inspect all engine baffles and seals...

Page 79: ...security and safety O O O O 8 Run up engine and check all instruments for smooth steady response O O O O 9 Remove all turbocharger components from the engine Inspect and repair or replace as necessar...

Page 80: ...acuum pump s with cleaning fluid Cap all openings Refer to latest revision of Lycoming Service Instruction 1221 11 Clean engine O O O 12 Inspect condition of spark plugs clean and adjust as required R...

Page 81: ...ines Read Note 5 O 32 Clean gascolator bowl and screens O O O O 33 Inspect fuel system for leaks O O O O 34 Inspect condition and operation of fuel pump s engine driven and electric O O O 35 Overhaul...

Page 82: ...of engine or replace with factory rebuilt Read Note s 5 and 28 O O O 60 Install the engine cowl O O O O E CABIN GROUP WARNING Read Note 28 before completing this inspection group 1 Inspect cabin entr...

Page 83: ...O 9 Inspect hydraulic pump lines and hoses for damage and leaks O O O 10 Inspect for obstructions and contamination in inlet of backup landing gear extender actuator inlet head if applicable Read Not...

Page 84: ...er 820 O O O 33 Clean and lubricate all exterior needle bearings O O O 34 Lubricate per lubrication chart in Service Manual Section II O O O O 35 Inspect rotating beacon for security and operation O O...

Page 85: ...uid and air levels as required O O O O 2 Inspect nose gear steering control and travel O O O 3 Inspect wheels for alignment O O O 4 Lift aircraft on jacks Refer to Service Manual Section II O O O 5 In...

Page 86: ...ate air operation O O O O 7 Check parking brake operation O O O O 8 Check engine driven vacuum gauge indication O O O O 9 Check gyros for noise and roughness O O O O 10 Check cabin heater operation O...

Page 87: ...f the valve tips valve keepers springs and spring seals If any indications are found the cylinder and all of its components must be removed including the piston and connecting rod assembly and inspect...

Page 88: ...ystem installed as standard equipment 28 When servicing or inspecting vendor equipment installed in Piper aircraft it is the user s responsibility to refer to the applicable vendor service publication...

Page 89: ...Installation of Wing 1E1 4 16 Empennage Group 1E2 4 17 Stabilator 1E2 4 18 Removal of Stabilator 1E2 4 19 Installation of Stabilator 1E3 4 20 Stabilator Trim Tab 1E4 4 21 Removal of Stabilator Trim T...

Page 90: ...oor Lock Assembly 1E13 4 53 Removal of Baggage Door Hinge 1E14 4 54 Installation of Baggage Door Hinge 1E14 4 55 Structural Repairs 1E14 4 55a Baggage Compartment Inspection Hole and Cover Plate 1E15...

Page 91: ...ght wing with a key lock installed Each wing panel is an all metal full cantilever semi monocoque type construction with a removable wing tip Installed in each wing ahead of the main spar is a metal f...

Page 92: ...ers and bolt from the rod end bearing To simplify installation note location of washers removed b Remove the attaching screws with nuts from the hinges at the leading edge of the aileron and remove th...

Page 93: ...Figure 4 1 Aileron and Flap Installation Issued 12 15 76 1D21 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 94: ...Figure 4 2 Wing Installation Revised 2 13 89 1D22 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 95: ...Figure 4 2 Wing Installation cont Revised 11 21 80 1D23 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 96: ...some identifying manner and attach a line where applicable to cables before drawing them through the fuselage or wing h Disconnect the aileron balance and control cables at the turnbuckles that are lo...

Page 97: ...ter the nut is torqued h Torque the bolt heads on the upper spar cap and the nuts on the lower spar cap 360 to 390 inch pounds Be certain that the bolts nuts and washers are installed in accordance wi...

Page 98: ...he fuel valve and check for leaks and flow t Check the operation of all electrical equipment and pitot systems u Remove the airplane from jacks v Install the cockpit trim panel assembly spar box carpe...

Page 99: ...t revision of Piper Service Bulletin 856 NOTE A clearance of 25 06 of an inch between the stabilator and the side of the fuselage and 18 of an inch minimum between all parts of the stabilator and the...

Page 100: ...t section of the fuselage c Relieve the cable tension from the rudder control system by loosening one of the cable turnbuckles in the aft section of the fuselage d Disconnect the two control cables fr...

Page 101: ...Figure 4 4 Empennage Group Installation Revised 11 21 80 1E5 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 102: ...Figure 4 4 Empennage Group Installation cont Revised 11 21 80 1E6 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 103: ...es the leading edge of the fin to the fuselage c Install the stabilator trim assembly and aft trim cable per instructions given in Installation of Stabilator Trim Assembly Section V d Install the rudd...

Page 104: ...Figure 4 5 Windshield Installation Typical Issued 12 15 76 1E8 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 105: ...inyl tape on the underside of the collar molding install and secure i Seal with sealant any areas around windshield that may allow water to penetrate past the windshield j Remove excess exposed sealer...

Page 106: ...the door insert the necessary washer combination between the cabin door hinge and fuselage bracket assembly b Additional adjustments may be made by tapping out the serrated door hinge bushings and ro...

Page 107: ...Figure 4 7 Skin Materials and Thickness Issued 12 15 76 1E11 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 108: ...e the latch assembly into position for installation b Replace the pan and install the five screws and handles c Check the latch assembly for operation and be certain that it is free of rubbing on the...

Page 109: ...ct maximum curing 7 Remove masking tape if used and clean off excessive adhesive using a clean cloth and mineral spirits or Toluol 8 Install the striker plate 9 Reposition the windlace and secure with...

Page 110: ...the regulations set forth in FAA Advisory Circular 43 13 lA To assist in making repairs and or replacements Figure 4 7 identifies the type and thickness of various skin material used never make a skin...

Page 111: ...close out panel 2 Rear close out panel 3 Carpeting from baggage compartment floor c Determine and mark a reference center line running through baggage compartment Refer to Figure 4 8a for measurements...

Page 112: ...es Using the screw holes in the cover scribe the position for the screw holes on the baggage compartment floor b Drill a 0 120 inch hole in baggage compartment floor at each position layed out in step...

Page 113: ...of resin fibers and catalyst into the damaged area using the sharp point of a putty knife or stick to press it into the bottom of the hole and to puncture any air bubbles which may be present Fill the...

Page 114: ...patch and they should all be worked out to the edge Remove excess resin before it gels on the part Allow patch to cure completely j Remove cardboard or aluminum sheet from outside of hole and rough s...

Page 115: ...ay Compound and Matting Nonslip included in Piper Part No 179 872 4 63 APPLICATION OF LIQUID SAFETY WALK COMPOUND Liquid safety walk compound shall be applied in an area free of moisture for a period...

Page 116: ...st be maintained in their neutral positions 4 66 CHECKING CONTROL SURFACES FREE PLAY The following checks are recommended before balancing to ascertain the amount of free play in the stabilator stabil...

Page 117: ...Figure 4 9 Control Surface Balance Tool Issued 12 15 76 1E21 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 118: ...een centered by adjustment of the movable weight 4 68 BALANCING AILERONS Refer to Figure 4 10 Position the aileron on the balancing fixture in a draft free area and in a manner which allows unrestrict...

Page 119: ...ibed in Paragraph 4 67 Read the scale when the bubble level has been centered by adjustment of the movable weight and determine the static balance limit If the static balance is not within the limits...

Page 120: ...V I BALANCE SPECIFICATIONS FLIGHT CONDITIONS STATIC BALANCE LIMITS IN LBS SURFACE Leading Edge Heavy Trailing Edge Heavy Ailerons 5 to 13 Stabilators 5 to 40 Rudders 0 to 10 5 Issued 12 15 76 1E24 CHE...

Page 121: ...trim tab Calibrate the tool as described in Paragraph 4 67 Read the scale when the bubble level has been centered by adjustment of the movable weight and determine the static balance limit If the stat...

Page 122: ...III Hose clamp tightening initial installation Types of clamps Types of hose Worm screw type All other types Self sealing Finger tight plus Finger tight plus 2 complete turns 2 1 2 complete turns All...

Page 123: ...ocked stem may damage the sheets It is recommended that a small center drill be used to provide a guide for a larger drill on top of the rivet stem and the tapered portion of the stem be drilled away...

Page 124: ...Figure 4 15 Identification of Aircraft Fluid Lines Added 5 1 80 1F4 CHEROKEE ARROW III SERVICE MANUAL STRUCTURES...

Page 125: ...used Refer to Figure 4 16 T Torque desired at the part A Basic lever length from center of wrench shank to center of handle or stamped on wrench or listed for that model wrench B Length of adapter ext...

Page 126: ...im Control 1F24 5 18 Removal of Stabilator Trim Assembly Forward 1F24 5 19 Installation of Stabilator Trim Assembly Forward 1G1 5 20 Removal of Stabilator Trim Assembly Aft 1G2 5 21 Installation of St...

Page 127: ...to the control column From the connecting point cables are routed around a series of pulleys down under the floor and aft to the tail section of the airplane The aft end of the cables connect to the...

Page 128: ...TABLE V I CONTROL SURFACE TRAVEL AND CABLE TENSION Revised 10 l8 83 1F8 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 129: ...TABLE V I CONTROL SURFACE TRAVEL AND CABLE TENSION cont Issued 12 15 76 1F9 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 130: ...TABLE V ll CABLE TENSION VS AMBIENT TEMPERATURE Revised 2 13 89 1F10 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 131: ...Figure 5 1 Control Column Assembly Revised 5 1 80 1F11 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 132: ...Figure 5 la Method of Installing Rod End Bearings Added 12 11 78 1F12 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 133: ...tems be installed in the control tube disconnect them at the quick disconnect terminals behind the instrument panel Draw the wires back into the tube and out through the forward end of the tube 4 Remo...

Page 134: ...buckles located under the floor panel aft of the main spar as instructed in Paragraph 5 12 Before safetying the turnbuckle check that when the ailerons are neutral the control wheels will be neutral a...

Page 135: ...Figure 5 2 Aileron Controls Revised 11 21 80 1F15 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 136: ...lley 10 in the forward area of the floor opening aft of the main spar 7 Disconnect the cable 14 or 15 from the control chain 4 at the control column tee bar assembly by removing the cotter pin nut bol...

Page 137: ...low the cable end to rotate freely on the bellcrank 3 If the primary control cable in the fuselage is installed connect the ends at the turnbuckle 12 or 16 located under the rear seat aft of the main...

Page 138: ...ivot bolt 25 with the head up Install a washer and nut on the bolt and torque nut within 20 to 25 inch pounds Check that the bellcrank rotates freely with little up down play d Install and adjust cont...

Page 139: ...with the aft end of the tool even with the trailing edge of the aileron This tool may be fabricated from dimensions given in Figure 5 19 3 With the aileron control rod connected between the bellcrank...

Page 140: ...actor reading at neutral and up and neutral and down The bubble must be centered at each reading 3 Should the travel not be correct the travel may be set by rotating the bellcrank stops in or out Stop...

Page 141: ...control cable 4 or 5 may be removed by the following procedure 1 Disconnect the cable end at the balance arm 18 of the stabilator by removing the cotter pin nut washer and bolt 8 2 Remove the cotter...

Page 142: ...Figure 5 6 Stabilator Controls Revised 5 1 80 1F22 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 143: ...e of the stabilator and determine that when the stabilator contacts its stops the bubble of the protractor is centered NOTE The stabilator should contact both of its stops before the control wheel con...

Page 144: ...rim control wheel assembly and or the trim control cables first remove the panel to the aft section of the airplane b If the aft trim cable 12 is not to be removed block the cables at the pulleys 13 i...

Page 145: ...el to the cable drum by aligning the long lug of the drum with the long slot of the wheel and pushing the two pieces together 3 Wrap the left trim cable on the drum by inserting the swaged ball of the...

Page 146: ...SSEMBLY AFT Refer to Figure 5 8 a Wrap the trim barrel 20 by first laying the center as measured equally from each end to the center of the cable of the trim cable 12 in the slot of the barrel Bring t...

Page 147: ...Figure 5 8 Stabilator Trim Control Issued 12 15 76 1G3 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 148: ...ain correct travels if incorrect adjust by disconnecting the links 25 at the actuating arm rod end 26 and turning the end in or out as required Reconnect links to rod end k Secure the jam nut 27 on th...

Page 149: ...Figure 5 9 Rudder and Steering Pedal Assembly Issued 12 15 76 1G5 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 150: ...oles in the center area of the torque tube assembly install bolts washers and nuts 25 and 26 and tighten e Position the torque tube support bracket 35 on the floor tunnel and secure with bolts f Posit...

Page 151: ...Figure 5 10 Rudder Controls Revised 12 11 78 1G7 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 152: ...oving the block attaching screws 4 Remove the rudder trim knob and the cover attaching screws 5 Remove the tunnel plate just aft of the tee bar by removing enough carpet from the tunnel to allow the p...

Page 153: ...12 or 13 in the aft section of the fuselage 4 Set cable tension and check rigging and adjustment per Paragraph 5 29 5 Install tail cone fairing and secure with screws c Install the access panel to th...

Page 154: ...ition d Disconnect the housing lug from the arm on the rudder pedal torque tube by removing cotter pin nut washer and bolt 7 e Remove the threaded bushing 4 from the aft end of the mounting channel 8...

Page 155: ...equal travel and hit rudder stops before bottoming out of the trim assembly e With the rudder pedals neutral and no pressure fore or aft on the clevis pin install the assembly cover 1 so that the ind...

Page 156: ...e spring tension 3 Retract the flap Use caution as forward pressure will be on the handle with the spring disconnected 4 Disconnect the cable from the chain 20 by removing cotter pin nut clevis pin an...

Page 157: ...Figure 5 15 Flap Controls Interim Revision 2 21 95 1G13 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 158: ...22 Release the flap handle to the forward position 12 Connect the flap control tube 4 to the flap and or torque tube crank 11 and secure The bolt 12 and bushing that connects the control tube to the c...

Page 159: ...n pressure on the top of the flap will not allow the flap to go down j Adjust the left stop screw to match the right then tighten its lock nut and remove the 0 125 inch spacer k To set the flap contro...

Page 160: ...ion hole in each rod end to ascertain that there are sufficient threads remaining and a wire cannot be inserted through these holes Rod ends without check holes maintain a minimum of 375 of an inch th...

Page 161: ...Figure 5 19 Fabricated Aileron and Flap Rigging Tool Issued 12 15 76 1G17 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 162: ...Figure 5 20 Fabricated Stabilator Rigging Tool Issued 12 15 76 1G18 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 163: ...Figure 5 21 Fabricated Rudder Rigging Tool Issued 12 15 76 1G19 CHEROKEE ARROW III SERVICE MANUAL SURFACE CONTROLS...

Page 164: ...icate system wheel rotation properly Cable tension too high Adjust cable tension Refer to Paragraph 5 12 Control column hori Adjust chain tension zontal chain improperly Refer to Paragraph adjusted 5...

Page 165: ...rovide clearance between pulleys and brackets Cables not in place on Install cables cor pulleys rectly Cables crossed or Check routing of control routed incorrectly cables Bent stabilator hinge Repair...

Page 166: ...h 5 12 Correct aileron travel Incorrect rigging of Rig in accordance with cannot be obtained by aileron cables control Paragraph 5 12 adjusting bellcrank wheel and control rod stops Control wheel stop...

Page 167: ...tighten or replace Trim control wheel System not lubricated Lubricate system moves with excessive properly resistance Cable tension too high Adjust in accordance with Paragraph 5 22 Pulleys binding or...

Page 168: ...n RUDDER CONTROL SYSTEM Lost motion between Cable tension too low Adjust cable tension rudder pedals and per Paragraph 5 29 rudder Linkage loose or worn Check linkage and tighten or replace Broken pul...

Page 169: ...ccordance with neutral when rudder incorrectly rigged Paragraph 5 29 is streamlined Incorrect rudder Rudder bellcrank stop Rig in accordance with travel incorrectly adjusted Paragraph 5 29 Nose wheel...

Page 170: ...ont FLAP CONTROL SYSTEM cont Flaps not synchro Incorrect rigging Adjust flaps per in nized or fail to of system structions in Paragraph move evenly when 5 37 retracted Trouble Cause Remedy Issued 12 1...

Page 171: ...lH3 INTENTIONALLY LEFT BLANK...

Page 172: ...lH4 INTENTIONALLY LEFT BLANK...

Page 173: ...H19 6 14a Operational Check of Retractable Landing Gear System 1H21 6 15 Nose Gear Actuating Cylinder 1H24 6 16 Removal of Nose Gear Actuating Cylinder 1H24 6 17 Disassembly of Nose Gear Actuating Cyl...

Page 174: ...the instrument panel to the left of the control quadrant As the handle is selected to either the up or down position the pump directs fluid through a single line to a manifold and from that manifold...

Page 175: ...diaphragm is provided in a mast mounted on the left side of the fuselage above the wing The emergency gear lever used for emergency extension of the gear manually releases hydraulic pressure to permi...

Page 176: ...Figure 6 1 Schematic Diagram of Hydraulic System Prestolite Revised 2 13 89 1H8 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 177: ...Figure 6 la Schematic Diagram of Hydraulic System Oildyne Revised 2 13 89 1H9 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 178: ...Figure 6 2 Hydraulic System Installation Revised 2 13 89 1H10 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 179: ...Figure 6 2a Hydraulic System Installation S N s 2837001 PA 28R 201 and Up and S N s 2803001 PA 28R 201T and Up Revised 2 13 89 1H11 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 180: ...r the hydraulic pump has been removed from the airplane cap or plug all ports and clean the exterior of the pump with a dry type solvent to remove accumulated dust or dirt To disassemble any one of th...

Page 181: ...commutator wear and excess bearing wear e Repairs are limited to O ring and brush replacement as follows 1 One brush holder has the winding wire attached Locate this wire and remove by using a solderi...

Page 182: ...Figure 6 3 Hydraulic Pump Reservoir Exploded View Prestolite Revised 2 13 89 1H14 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 183: ...Figure 6 3a Hydraulic Pump Reservoir Exploded View Oildyne Revised 2 13 89 1H15 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 184: ...Figure 6 4 Test and Adjustments of Hydraulic Pump Prestolite Revised 2 13 89 1H16 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 185: ...uct motor operational check not to exceed 10 seconds running time 6 9 TEST AND ADJUSTMENT OF HYDRAULIC PUMP PRESTOLITE Refer to Figure 6 4 a Test Equipment 1 Hydraulic pump and mounting base 2 Pressur...

Page 186: ...tomatic Reset Time 12 seconds max Location Automatic Reset Commutator end head of motor Mechanical Characteristics Prestolite Only Bearings Absorbent bronze Drive end bearing in upper pump and valve a...

Page 187: ...on battery shelf e Check fluid level in pump Fill per instructions given in Section II f With the airplane on jacks operate the pump to purge the hydraulic system of air and check for leaks After oper...

Page 188: ...THIS PAGE INTENTIONALLY LEFT BLANK Revised 2 13 89 1H20 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 189: ...hould they misalign it may be necessary to reform the main fuselage mounting bracket To reform the main fuselage mounting bracket an Aligning Tool may be used Refer to Figure 6 5 This tool may be fabr...

Page 190: ...Figure 6 6 Gear Back up Extender Actuator Revised 2 13 89 1H22 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 191: ...position then the diaphragm is possible defective 2 If it is determined that the diaphragm is defective then remove the Back Up Extender per instructions given in paragraph 6 12 and install Piper Kit...

Page 192: ...d to power OFF Gear unsafe light and horn will indicate when power is reduced At 120 KIAS for 28R 201T or 110 KIAS for 28R 201 slow the airplane at a rate of one 1 knot per second until 103 KIAS for P...

Page 193: ...een gear extension and retraction Place the selector switch in the UP position at 107 KIAS In approximately S to 10 seconds all the gear indicating lights should be out indicating that the gear is fil...

Page 194: ...icate when the throttle setting is less than 14 2 inches of manifold pressure or when flaps are set beyond 10 for aircraft that complied with Piper Service Bulletin 866A Part I and have the back up ex...

Page 195: ...Figure 6 7 Nose Gear Actuating Cylinder Revised 2 13 89 1I3 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 196: ...parts with a suitable dry type solvent and dry thoroughly b Inspect the cylinder assembly for the following 1 Interior walls of the cylinder and exterior surfaces of the piston for scratches burrs co...

Page 197: ...acks 6 21 MAIN GEAR ACTUATING CYLINDER 6 22 REMOVAL OF MAIN GEAR ACTUATING CYLINDER a Place the airplane on jacks Refer to Jacking Section II b Disconnect the hydraulic lines from the actuating cylind...

Page 198: ...Figure 6 9 Main Gear Actuating Cylinder Revised 2 13 89 1I6 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 199: ...the exterior of the end gland 1 b Install O ring 3 and back up ring 2 in the interior of the end gland c Install O ring 8 on the body of the piston assembly d Lubricate the areas around the O rings wi...

Page 200: ...ment panel until the gear is fully retracted The hydraulic pump should stop operating after full gear retraction d Place the gear in the DOWN position The gear should extend and lock in position and t...

Page 201: ...30 SERVICING HYDRAULIC PUMP RESERVOIR The fluid level of the reservoir of the combination pump and reservoir should be checked every 50 hours by viewing the fluid through the filler plug hole in the P...

Page 202: ...it wires broken Safety squat switch Readjust switch Refer out of adjustment to Adjustment of Safety Switch Section VII Squat switch Replace switch inoperative Pressure switch Replace switch inoperativ...

Page 203: ...rating level Battery low or dead Check condition of battery Pressure head air passage obstructed Pressure head Reconnect hose hose off Split or hole in Replace unit diaphragm of auxiliary extender Can...

Page 204: ...e pump can be heard to actuate when operating the gear selector switch it may be assumed that the gear control circuit is operating properly and the actuator circuit should be further checked Gear sel...

Page 205: ...termine cause for overload Pressure switch out Remove and readjust of adjustment or replace switch Mechanical restriction Place airplane on jacks or obstruction in hy and run retraction draulic system...

Page 206: ...ing cylinders for internal leakage Check for internal damage to hydraulic pump Extemal leakage Check back up extension of system unit valve or free fall valve for external leakage Check gear actuating...

Page 207: ...Replace switch switch failed NOTE The out of adjustment or failed switch may be determined by noting which down light is not lit Pump running Leakage of high Remove pump and intermittently pressure c...

Page 208: ...luid operating level All gears fail to Back up extension unit Check unit and valve free fall valve fails to open and replace Back up free fall Check valve and valve fails to open replace Gear free fal...

Page 209: ...actuator arm Binding of diaphragm Clean all moving parts shaft caused by build up of sand or dirt Landing gear will not Restriction in pressure Disconnect hoses at retract after selecting head of gear...

Page 210: ...reaker opens With override lever up Auto extension off Adjust switch Refer auto extension off light switch actuator out to Paragraph 6 2 for fails to operate of adjustment switch location by moving mo...

Page 211: ...Figure 6 10 Gear Back Up Extender Actuator Aligning Tool Revised 2 13 89 1I19 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 212: ...GRIDS lI20 AND lI21 INTENTIONALLY LEFT BLANK Revised 2 13 89 1I20 CHEROKEE ARROW III SERVICE MANUAL HYDRAULIC SYSTEM...

Page 213: ...djustment of Nose Gear Doors 1J21 7 19 Main Landing Gear System 1J21 7 20 Disassembly of Main Gear Oleo 1J21 7 21 Cleaning Inspection and Repair of Main Gear Oleo 1J22 7 22 Assembly of Main Gear Oleo...

Page 214: ...emoval and Disassembly of Wheel Brake Assembly 1K13 7 55 Cleaning Inspection and Repair of Wheel Assemblies 1K14 7 56 Assembly and Installation of Wheel Brake Assembly 1K14 7 57 Brake Master Cylinder...

Page 215: ...wn and locked position This circuit is controlled by the three paralleling down limit switches connected in series with a throttle switch see Figure 7 15 located in the control quadrant When the airpl...

Page 216: ...le and may be used by pulling back on the handle and pushing forward on the button to the left of the handle To release the hand brake pull aft on the handle and allow it to swing forward Hydraulic fl...

Page 217: ...per and lower cylinder bushings loose or turning in cylinder 6 Orifice plate for hole restriction 7 Fork tube for corrosion scratches nicks dents and misalignment 8 Air valve general condition c Repai...

Page 218: ...Figure 7 1 Nose Gear Oleo Strut Assembly Revised 2 13 89 1J3 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 219: ...Figure 7 1 Nose Gear Oleo Strut Assembly cont Revised 2 13 89 1J4 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 220: ...strut to extend o Service the oleo strut with fluid and air Refer to Oleo Struts Section II p Check nose gear for alignment refer to paragraph 7 13 and gear operation 7 9 REMOVAL OF NOSE LANDING GEAR...

Page 221: ...Figure 7 2 Nose Gear Installation Interim Revision 2 21 95 1J6 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 222: ...lower drag links setting them on a surface table and ascertaining that when the stop surfaces of the two links touch linkage is not less than 062 to 125 nor more than 125 to 250 of an inch through cen...

Page 223: ...hat the landing gear is lubricated per Lubrication Chart Section II h Check adjustment of the gear per Paragraph 7 12 or 7 13 i Install engine cowling The cowl support jacks located at each forward si...

Page 224: ...er safety hole in actuator rod 6 Recheck 10 inch minimum rod travel remains to fill extension f Hook up cylinder rod end bearing and retract gear Recheck all adjustments and retighten the jam nut on t...

Page 225: ...Figure 7 4 Nose Gear Adjustment PA 28R 201T Revised 2 13 89 1J10 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 226: ...bearing with downlock hook 12 if connection can not be made loosen the jam nut that secures the rod end bearing and turn rod end bearing until hook up can be accomplished Tighten jam nut and check th...

Page 227: ...parallel the straight edge with the chalk line l Install the nose wheel bungees in their neutral position no load on the bungee springs Adjust bungee rod ends as necessary m Place a bubble protractor...

Page 228: ...Figure 7 7 Nose Gear Door Retraction Mechanism PA 28R 201 Revised 2 13 89 1J13 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 229: ...RING TENSION 4 ARM ASSEMBLY 5 BOLT NUT 6 NUT BOLT WASHER BUSHING COTTER PIN 7 ROLLER 8 BRACKET Figure 7 8 Nose Gear Door Retraction Mechanism PA 28R 201T Revised 2 13 89 1J14 CHEROKEE ARROW III SERVIC...

Page 230: ...Figure 7 9 Main Gear Oleo Strut Assembly Revised 2 13 89 1J15 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 231: ...REFER TO PRECEDING PAGE FOR CALLOUTS Figure 7 9 Main Gear Oleo Strut Assembly cont Revised 2 13 89 1J16 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 232: ...AMETER HARDWARE IS USED UPON REASSEMBLY STANDARD AN4 OR AN5 BOLTS ARE REPLACED BY ALTERNATE OVERSIZED BOLTS NAS3004 OR NAS3005 RESPECTIVELY WHEN OVERSIZED HARDWARE IS REQUIRED 2 WHEN NEW BUSHINGS P N...

Page 233: ...Figure 7 10 Main Gear Installation cont Revised 2 13 89 1J18 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 234: ...Figure 7 11 Aligning Main Gear Revised 2 13 89 1J19 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 235: ...d tension below minimum allowable tolerance Reject springs if load tension is below 8 0 pounds pull at 4 75 inches for the PA 28R 201 or below 20 0 pounds pull at 4 00 inches for the PA 28R 201T e Che...

Page 236: ...er to Figure 7 9 The main gear oleo assembly may be removed and disassembled from the gear oleo housing with the gear removed from or installed on the airplane a Place the airplane on jacks Refer to J...

Page 237: ...er the snap ring 24 washer 23 lower bearing 20 with outer and inner O rings 19 and 21 and upper bearing 18 Align the two 125 diameter holes and the lock pin holes with the corresponding holes in the p...

Page 238: ...side of the wing through the hole in the web and removing the bolt 48 that secures the tube in the housing Insert a hook through the bolt hole in the tube and slide it aft from the support fitting Rem...

Page 239: ...described in Section II a Insert a gear support bearing 53 or 54 in each support fitting 1 or 16 and secure with snap ring 2 Check bearing 53 for excess end play shim as necessary with shim washers 49...

Page 240: ...airplane laterally and longitudinally Refer to Leveling Section II c Disconnect the gear door actuating rods at either the door or the housing as desired by removing the rod attachment bolt Secure th...

Page 241: ...emergency gear extension lever and moving the gear selector handle to the up position Retain the emergency extension lever in the up override position The piston of the cylinder should be bottomed Th...

Page 242: ...lt connecting the upper and lower torque links and remove or add spacer washers to move the wheel in the desired direction Refer to the chart on the following page e Should a condition exist that all...

Page 243: ...oor by removing nut washers and bolt b Remove the door from the wing panel by bending the door hinge pin straight and from the other end pulling out the pin c The door retraction rod may be removed fr...

Page 244: ...ne on jacks Refer to Jacking Section II NOTE Do not bend the actuator springs mounted on the limit switches 7 33 ADJUSTMENT OF NOSE GEAR UP LIMIT SWITCH The gear up limit switch is mounted on a bracke...

Page 245: ...ocated on the downlock hook and move it toward the switch until it is heard to actuate Retighten the actuator screws d Manually move the hook from the locked to the unlocked position and ascertain tha...

Page 246: ...H SQUAT SWITCH The landing gear safety switch located on the left main gear housing is adjusted so that the switch is actuated within the last quarter of an inch of gear extension a Compress the strut...

Page 247: ...Figure 7 14 Flap Torque Tube Cam Gear Warning Switch Installation Revised 2 13 89 1K8 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 248: ...uadrant cover into position around the controls far enough to allow the cover reinforcement clip to be installed to the top underside of the cover and secure with screws e Install the cover and secure...

Page 249: ...ess or failure c Check internal diameter of felt grease seals Replace the felt grease seal if surface is hard or gritty d Check tire for cuts internal bruises and deterioration e Check bearing cones a...

Page 250: ...separated by first deflating the tire With the tire sufficiently deflated remove the wheel through bolts 16 Pull the wheel halves from the tire by removing the inner half 8 from the tire first and th...

Page 251: ...inflate tire b Lubricate the bearing cones 6 or 10 and install the cones grease seals 4 or 11 seal retainer rings 2 or 13 and felt rings 3 or 12 Secure with snap rings 1 or 14 c Slide the wheel on the...

Page 252: ...comes worn below 100 of an inch or unevenly worn 7 54 REMOVAL AND DISASSEMBLY OF WHEEL BRAKE ASSEMBLY Refer to Figure 7 18 a To remove the brake assembly first disconnect the brake line from the brake...

Page 253: ...linder housing until flush with surface of housing b Slide the lining pressure plate onto the anchor bolts of the housing c Slide the cylinder housing assembly on the torque plate of the gear d Positi...

Page 254: ...Figure 7 19 Removal of Anchor Bolt Revised 2 13 89 1K15 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 255: ...Figure 7 20 Installation of Anchor Bolt Revised 2 13 89 1K16 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 256: ...When installing teflon O ring 5 on piston it is recommended that it be installed with the use of a cone placed against the piston The cone may be constructed of plastic or metal with dimensions shown...

Page 257: ...Figure 7 21 Brake System Installation Revised 2 13 89 1K18 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 258: ...3 The piston rod assembly may be disassembled by first removing the retaining ring 2 and securing the sleeve and then the spring 4 piston 6 seal 7 fitting 8 and if desired the large return spring I 1...

Page 259: ...Figure 7 23 Toe Brake Installation Revised 2 13 89 1K20 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 260: ...Figure 7 25 Brake Cylinder 10 27 Toe Brake Revised 2 13 89 1K21 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 261: ...stall on the rod 12 in order the roll pin 14 washer 13 spring 11 washer 9 packing gland 7 with O rings seal 5 piston assembly 3 with O ring spring 2 and roll pin 15 3 Insert the piston rod assembly in...

Page 262: ...t the fluid reservoir and the bleeder fitting on the gear being bled it can be determined whether any air is left in the system If air bubbles are evident filling of the system shall be continued unti...

Page 263: ...sure builds up in the system At this time crack the attaching B nuts at any of the hose connections of the replaced unit Most of the handle sponge feeling should be displaced by this action Retighten...

Page 264: ...Figure 7 26 Bleeding Brakes Revised 2 13 89 1L1 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 265: ...witch retracted Nose gear up limit Check gear up adjustment switch out of ad and readjust up limit justment switch Main gear not Check gear up retracting far adjustment enough to actuate switch Red ge...

Page 266: ...r unsafe light and Indicator lights circuit Reset circuit breaker and all green lights out breaker open determine cause for open circuit breaker NOTE Ensure that Light circuit wire Check wiring naviga...

Page 267: ...hode to terminal ends of wires G2S and G2U Green gear down lights Failed instrument panel Replace switch dim though position light control switch light switch is off and Lights grounding gear is down...

Page 268: ...eplace tire if necessary Worn or loose wheel Replace and or adjust bearings wheel bearings Worn torque link bolts Replace bolts and or and or bushings bushings Excessive or uneven Incorrect operating...

Page 269: ...en when sheared at top of roller landing gear extends strut Incorrect rigging of Check nose gear nose gear steering steering adjustment Nose gear fails to Centering guide roller Replace roller straigh...

Page 270: ...e parts in strut Landing gear doors Landing gear not re Check adjustment of fail to completely tracting completely landing gear close Door retraction mechanism Check adjustment out of adjustment Red g...

Page 271: ...p position with gear extended and throttle retarded Above condition on Defective safety squat Replace switch ground switch Above condition in Pressure switch open Replace switch the air Hydraulic pump...

Page 272: ...Figure 7 27 Nose Gear Service Tolerances Revised 2 13 89 1L9 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 273: ...7144 00 Drag link lower ID 3120 ID 3120 002 3130 3140 8 44386 2 Steering arm ID 4370 ID 4370 0015 4385 4385 9 14976 11 Bushing steering arm ID 312 ID 312 002 Press fit 313 314 10 67054 03 Trunnion hou...

Page 274: ...3760 18 21831 04 Shimmy damper fitting ID 249 ID 247 003 bearing 251 252 19 20735 05 Torque link ID 312 ID 312 002 313 314 20 20735 00 Torque link ID 377 ID 377 002 3785 3790 21 452 366 Bearing torqu...

Page 275: ...Figure 7 28 Main Gear Service Tolerances Revised 2 13 89 1L12 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 276: ...4 support 4385 4395 7 65003 41 Bushing side brace ID 373 ID 372 004 support stud 375 376 8 67025 2 Link upperside brace ID 4945 ID 4925 4935 9 14843 16 2 Bushing side brace ID 376 ID 374 Press Fit Ins...

Page 277: ...sting 19 402 960 Bolt Trunnion side OD 4991 OD 4972 NAS 464 brace attaching 0000 P8A 44 0009 20 67926 04 Trunnion housing ID 4410 ID 4410 67926 05 torque link attachment 4430 4440 21 67026 07 2 Bearin...

Page 278: ...GRIDS 1L15 THRU 1L24 INTENTIONALLY LEFT BLANK Revised 2 13 89 1L15 CHEROKEE ARROW III SERVICE MANUAL LANDING GEAR AND BRAKE SYSTEM...

Page 279: ...ARROW III TURBO ARROW III ARROW SERVICE MANUAL CARD 2 OF 3 PA 28R 201 201T PIPER AIRCRAFT CORPORATION PART NUMBER 761 639 2A1 Courtesy of Bomar Flying Service www bomar biz...

Page 280: ...elling punctuation indexing the physical location of the material or complete page additions are not identified by revision lines Revisions to Service Manual 761 639 issued December 15 1976 are as fol...

Page 281: ...RFACE CONTROLS 1F6 VI HYDRAULIC SYSTEM 1H5 VII LANDING GEAR AND BRAKE SYSTEM 1I22 AEROFICHE CARD NO 2 VIII POWER PLANT CONTINENTAL 2A9 VIIIA POWER PLANT LYCOMING 2C18 IX FUEL SYSTEM 2E8 X INSTRUMENTS...

Page 282: ...gth 2B17 8 22 Ferrule Seating Tool 2B19 8 23 Measuring Wire From Top of Ferrule 2B19 8 24 Needle 2B19 8 25 Installing Grommet Over Lead Assemblies 2B19 8 26 Lead Assembly Installed in Grommet 2B20 8 2...

Page 283: ...d Over For Installation of Eyelet 2D23 8A 29 Removing Spark Plug Frozen to Bushing 2E1 9 1 Fuel System Diagram PA 28R 201 2E11 9 1a Fuel System Diagram PA 28R 201 S N s 37001 and up 2E12 9 2 Fuel Syst...

Page 284: ...32 Terminal Assembly 2H17 11 33 Slip Ring End Bearing Assembly 2H18 11 34 Testing Alternator 2H18 11 35 Brush Installation 2H19 11 36 Internal Wiring Diagram 2H19 11 37 Exploded View of Gear Reduction...

Page 285: ...X VII Magnetic Compass 2G5 X VIII Manifold Pressure Indicator 2G6 X IX Tachometer 2G7 X X Engine Oil Pressure Gauge 2G8 X XI Fuel Pressure Gauge 2G9 X XII Turn and Bank Indicator 2G10 X XII Fuel Quan...

Page 286: ...THIS PAGE INTENTIONALLY LEFT BLANK Revised 2 13 89 2A8...

Page 287: ...r 2A17 8 15 Installation of Propeller Governor 2A18 8 16 Rigging and Adjustment of Propeller Governor 2A18 8 17 Engine 2A19 8 18 Removal of Engine 2A19 8 19 Installation of Engine 2A22 8 20 Engine Sho...

Page 288: ...ugs 2B22 8 47 Inspection and Cleaning of Spark Plugs 2B23 8 48 Installation of Spark Plugs 2B23 8 49 Lubrication System 2B24 8 50 Description 2B24 8 51 Oil Filter Replacement 2C1 8 52 Engine Fuel Syst...

Page 289: ...may be blocked off if lines are inadvertently installed with dust caps in the tube ends 4 Should any items be dropped into the engine the assembly process must stop and the item removed even though t...

Page 290: ...e probable causes and suggested remedies When troubleshooting engine propeller or fuel system always ground the magneto primary circuit before performing any checks 8 4 ENGINE COWLING 8 5 REMOVAL OF E...

Page 291: ...T OFF position a Remove the hardware that attaches the nose cowl and remove the cowl The top and side panels may be removed for greater accessibility b Remove the safety wire from the propeller mounti...

Page 292: ...Figure 8 3 Propeller Installation Revised 8 31 77 2A14 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 293: ...igure 8 4 for propeller blade care h Check the condition of the propeller mounting nuts and studs i Each blade face should be sanded lightly with fine sandpaper and painted when necessary with a flat...

Page 294: ...0 Propeller RPM Setting Engine Static High RPM 2575 RPM max Propeller Torque Limits Description Required Torque Dry Spinner Bulkhead Aft 20 22 foot pounds Propeller Mounting 60 70 foot pounds Spinner...

Page 295: ...ade down Center the tip and scribe a pencil line as before and check that lines are not separated more than 0625 inch c Propellers having excess blade track should be removed and inspected for bent bl...

Page 296: ...remove lower cowl access plug See Figure 8 1 2 Adjust the governor by means of the fine adjustment screw for 2575 RPM To do this loosen the high RPM fine adjustment screw locknut and turn the screw i...

Page 297: ...t contamination 1 Disconnect the magneto P leads at the magnetos m Disconnect the engine vent tube at the engine n Disconnect the engine oil temperature lead at the aft end of the engine o Untie the i...

Page 298: ...Figure 8 6 Engine Installation Revised 12 11 78 2A20 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 299: ...Filter Element Cylinder Head Temperature F No 2 cyl Max Continuous Horsepower Minimum 240 Normal Desired 300 400 Maximum 460 Magnetos Bendix 25 Series Left Bank Fires 20 BTC Lower Right Upper Left Ri...

Page 300: ...04 to all male fuel system fittings Do not allow to enter system g Route and connect the electrical leads to the appropriate connections on the engine h Connect the tachometer drive cable i Connect ex...

Page 301: ...Figure 8 7 Schematic Diagram of Turbocharger System Revised 8 31 77 2A23 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 302: ...harger requires little attention between overhauls However it is recommended that the items outlined in the Inspection Report Section III be checked periodically 8 22a TURBOCHARGER NOMENCLATURE Many u...

Page 303: ...will be seen Differential Pressure This controller uses a diaphragm rather than a bellows as is found in Controller the density controller It is used in conjunction with the density controller Its fun...

Page 304: ...njunction with turbo machinery If you were to take all the air coming from a turbocharger compressor and duct it directly back into the turbine of the turbocharger it would be called a bootstrap syste...

Page 305: ...tin No 844 NOTE Piper considers service bulletins of utmost importance and compliance mandatory 8 24 INSTALLATION OF TURBOCHARGER a Position turbocharger assembly on the mounting bracket and secure wi...

Page 306: ...ine functioning excessive exhaust manifold leakage and oil leaks Repair as necessary j Install the upper cowling 8 25 ADJUSTMENT OF TURBOCHARGER Refer to Paragraph 8 61 Step b NOTE A complete inspecti...

Page 307: ...dampened with clean solvent CAUTION Do not allow foreign materials to drop into or otherwise enter the filter box assembly outlet duct to the turbocharger Failure to take necessary precaution could ca...

Page 308: ...te the door by operating the control lever in the cockpit to determine that it is not sticking or binding d Check the cockpit control cable for free travel 8 34 IGNITION SYSTEM 8 35 MAGNETOS CAUTION A...

Page 309: ...ing vendor equipment installed in Piper Aircraft it is the user s responsibility to refer to the applicable vendor publication Figure 8 8a Magneto Assembly Revised 2 13 89 2B7 CHEROKEE ARROW III SERVI...

Page 310: ...compartment If present it may mean a bad oil seal or oil seal bushing at the drive end Check the magneto manufacturer s overhaul procedure g Remove the breaker cover and harness securing screws and nu...

Page 311: ...Blot excess oil from washer until flat surfaces take on a frosted appearance and seat washer in its recess in block k Check the capacitor mounting bracket for cracks or looseness Using the Bendix 11...

Page 312: ...NOTE A true and accurate check of the clearance between flyweight and stop pin can only be obtained by pulling the flyweight outward as described above Do not attempt the check by pushing in on flywe...

Page 313: ...Loosen the nut securing the drive plate to the magneto shaft sufficiently in order to install the Bendix 11 8465 Rotor Holding Tool under the nut and flat washer as shown in Figure 8 13 Tighten the n...

Page 314: ...not be obtained 8 After timing is complete tighten breaker securing screws to 20 to 25 inch pounds and recheck settings Remove timing kit parts b The internal timing can be checked without a timing ki...

Page 315: ...Replace breaker assembly if E gap tolerance and contact clearance cannot be obtained Tighten breaker screws to 20 to 25 inch pounds and recheck breaker settings 8 39 MAGNETO INSTALLATION AND TIMING PR...

Page 316: ...each end Tighten the magneto attachment nuts and replace the plug in the inspection hole on top of the engine 8 40 HARNESS ASSEMBLY 8 41 INSPECTION OF HARNESS a Check the lead assemblies for nicks cu...

Page 317: ...d connected to the magneto turn the engine slightly and repeat test to confirm the reading f A second acceptable method for performing an insulation check is with a high voltage direct current tester...

Page 318: ...t length of conductor out of grommet and cable outlet plate 4 Using a 3 inch long 0 270 of an inch diameter drift applied at outer surface of plate drive out tapered ferrule and remaining pieces of in...

Page 319: ...Figure 8 19 Assembly Tool Figure 8 20 Assembly Tool Application Figure 8 21 Measuring Lead Assembly Length Revised 8 31 77 2B17 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 320: ...gh cable outlet plate until cleaned braid binds in the outlet well Position the Bendix 11 7074 Ferrule Seating Tool Figure 8 22 over the insulation and firmly seat the ferrule by tapping the seating t...

Page 321: ...rule Seating Tool Figure 8 23 Measuring Wire From Top of Ferrule Figure 8 24 Needle Figure 8 25 Installing Grommet Over Lead Assemblies Revised 8 31 77 2B19 CHEROKEE ARROW III SERVICE MANUAL POWER PLA...

Page 322: ...y the entire face of the grommet with a light coat of Plastic Mold Spray SM O O TH Silicone Spray or equivalent This will prevent the harness grommet from sticking to the magneto distributor block a P...

Page 323: ...Figure 8 28 Ignition Schematic Revised 8 31 77 2B21 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 324: ...ent torque must be used to unscrew the plug The higher torque in removal is not as detrimental as in installation since it cannot stretch the threaded section It does however impose a shearing load on...

Page 325: ...deposits c Set the electrode at 015 to 018 inches d Test the spark plug both electrically and for resistance 8 48 INSTALLATION OF SPARK PLUGS Before installing spark plugs ascertain that the threads w...

Page 326: ...to flow to the engine An oil temperature control unit allows oil to bypass the oil cooler when the oil is cold Some oil flows through the cooler to prevent congealing in cold weather When the oil temp...

Page 327: ...uel flow to the manifold valve and nozzles thus controlling the fuel air ratio The fuel manifold valve is the central point for dividing fuel to the individual cylinders A diaphragm and plunger valve...

Page 328: ...Figure 8 31 Schematic Diagram of Fuel Injection System Revised 8 31 77 2C2 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 329: ...dean the nozzles immerse in fresh cleaning solvent use compressed air to dry CAUTION Do not use wire or other objects to clean orifices b Inspect the nozzles for cleanliness pay particular attention...

Page 330: ...Figure 8 33 Engine Controls Revised 8 31 77 2C4 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 331: ...ain the required operating limits and insure obtaining good setup results It is important that the following leak check be made before proceeding with any actual system adjustments a Leak Check Gauge...

Page 332: ...tures must be avoided since setup temperature must closely parallel temperatures in flight 1 Remove the cap from the tee fitting on the right side of the throttle body Refer to Figure 8 34 2 Install a...

Page 333: ...ly move the mixture control from the full rich position to the idle cut off The engine speed should increase 75 to 100 RPM before beginning to drop toward zero Upper cowling removed 4 If the engine sp...

Page 334: ...40 9 in Hg manifold 2 Fuel flow should be 23 0 to 23 5 gallons per hour gph with the mixture controls in the full rich position 3 If adjustment is required loosen the jam nut on the adjusting screw l...

Page 335: ...manifold pressure 2 Lean the engine to 25 F rich of peak exhaust gas temperature EGT 3 Fuel flow at these conditions should be 12 0 0 5 gph 4 With full rich mixture full throttle 2 575 25 RPM and 105...

Page 336: ...Figure 8 36 Exhaust Bypass Screw CHART VIII I METERED FUEL ASSEMBLY CALIBRATION Revised 12 11 78 2C10 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 337: ...CHART VIII II LIMITS FUEL FLOW VS BRAKE H P Revised 8 31 77 2C11 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT CONTINENTAL...

Page 338: ...l control in FULL RICH position turn fails to keep fuel manifold valve auxiliary pump ON check to be sure feed lines running and filters are not restricted Clean or replace defective components Defect...

Page 339: ...ck fuel control for idle setting and adjustment Check fuel filters and screens for dirt Check for proper pump pressure and readjust as necessary Restricted fuel Remove and clean all nozzles nozzle Ign...

Page 340: ...ct entire manifold system for possible leakage intake manifolding at connections Replace damaged components tighten all connections and clamps Fuel nozzles Inspect fuel nozzle vent manifold for leakin...

Page 341: ...peration Incorrect fuel in Check and adjust using appropriate equipment jector pump adjust Replace defective pump ment and operation Defective fuel in Replace pump if cleaning and lapping valve does n...

Page 342: ...rly purged lines Low oil pressure Insufficient oil in Add oil or change oil to proper viscosity on engine gauge oil sump oil dilu tion or using im proper grade oil for prevailing ambient temperature H...

Page 343: ...replace in turbocharger oil supply line Poor engine idle Engine getting fuel Check fuel control for being in full IDLE CUTOFF cutoff position Check auxiliary pump for being OFF Check for leaking fuel...

Page 344: ...2D7 8A 18 Alternate Air Door 2D8 8A 19 Fuel Injector 2D8 8A 20 Fuel Injector Maintenance 2D8 8A 21 Adjustment of Idle Speed and Mixture 2D10 8A 22 Fuel Air Bleed Nozzle 2D10 8A 23 Removal of Fuel Air...

Page 345: ...kwire washers nuts dirt dust etc This precaution applies whenever work is done on the engine either on or off the aircraft Suitable protective caps plugs and covers must be used to protect all opening...

Page 346: ...under the engine The large muffler with a heater shroud provides heat for both the cabin and defrosting The engine is provided with a constant speed propeller controlled by a governor mounted on the...

Page 347: ...Figure 8A 1 Propeller Installation Hartzell Revised 5 1 80 2C21 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 348: ...ed as cracks sometimes start from such places Use fine emery cloth for finishing f Hartzell propellers require grease to the blade hub through zerk fittings Remove one of the two fittings for each pro...

Page 349: ...ke travel making small marks with a pencil at each position Then center the tip between these marks and scribe a line on the board for the full width of the tip b Carefully rotate propeller by hand to...

Page 350: ...nt screw will increase or decrease the engine speed approximately 20 RPM 3 Reinstall upper engine cowl and repeat Step b to ascertain proper RPM setting 4 After setting the proper high RPM adjustment...

Page 351: ...hours time in service d Locate pins in upper cowling NOTE It should not be necessary to replace the pins unless bushing in lower cowling has worn enough to allow damage to the pin Any noticeable notc...

Page 352: ...he bottom cowl d Remove the propeller Refer to Paragraph 8A 5 e Disconnect the starter positive and ground leads at the starter and their attachment clamps f Disconnect the governor control cable at t...

Page 353: ...ing to obstruct its removal y Drain the engine oil if desired and then close drain z Remove the four engine mount assemblies and swing the engine free being careful not to damage any attaching parts 8...

Page 354: ...Figure 8A4 Engine Installation PA 28R 201 Revised 10 18 83 2D4 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 355: ...Figure 8A 4 Engine Installation PA 28R 201 cont Revised 11 21 80 2D5 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 356: ...installing fittings in the oil coolers care should be used to prevent excessive torque being applied to the cooler When a rectangular fitting boss is provided a backup wrench should be used employing...

Page 357: ...of an inch spring back on the instrument stop when in full rich position 3 Reconnect the rod end to the control arm and safety c Check security of cable casing attachments d Pull the throttle and mixt...

Page 358: ...air stoppage it will be drawn open c Actuate the door by pushing in on it with the fingers to determine that it is not sticking or binding d Check the cockpit control cable for free travel e Check th...

Page 359: ...Figure 8A 6 Schematic Diagram of RSA Fuel Injection System Revised 8 31 77 2D9 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 360: ...If the above indicates that the idle adjustment is too rich or too lean turn the idle mixture adjustment in the direction required for correction and check this new position by repeating the above pr...

Page 361: ...Figure 8A 7 Fuel Air Bleed Nozzle THIS SPACE INTENTIONALLY LEFT BLANK Revised 11 21 80 2D11 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 362: ...nown to be in satisfactory condition and send the suspected unit to the overhaul shop for test and repair d Should this not be possible a visual inspection may disclose the source of trouble Remove th...

Page 363: ...equivalent check capacitor for capacitance series resistance and leakage Capacitance shall be at least 0 30 microfarads i Check magneto to engine timing as follows 1 Connect Scintilla 11 851 Timing L...

Page 364: ...assembly of the single breaker magnetos proceed as follows 1 Loosen the nut securing the drive plate to the magneto shaft sufficiently in order to install the Scintilla 11 8465 Rotor Holding Tool und...

Page 365: ...position Reinstall the 11 8149 Pointer Assembly over 0 mark on timing plate Rotate magnet shaft in normal direction of rotation and check for opening of main contact points at E gap setting 15 2 c If...

Page 366: ...urate check of the clearance between flyweight and stop pin can only be obtained by pulling the flyweight outward as described above Do not attempt the check by pushing in on flyweight at point A f In...

Page 367: ...d engine mount the magnetos must be installed from the horizontal position to 20 above the horizontal as shown in Figure 8A 14 Improper installation of magnetos could cause damage or failure NOTE In o...

Page 368: ...s Check compression spring to see if it is broken or distorted Inspect grommet for tears Check all mounting brackets and clamps to see that they are secure and not cracked b Using an ohmmeter buzzer o...

Page 369: ...Figure 8A 17 Assembly Tool Figure 8A 18 Using Assembly Tool Figure 8A 19 Measuring Lead Assembly Length Revised 8 31 77 2D19 CHEROKEE ARROW III SERVICE MANUAL POWER PLANT LYCOMING...

Page 370: ...c Work insulating sleeve and spring retainer assembly into position over the cable and unscrew the tool Install contact spring on cable terminal NOTE It may be necessary to lubricate cable and insulat...

Page 371: ...From End Figure 8A 21 Unbraiding Metallic Shielding of Lead Figure 8A 22 Forming Shielding Around Ferrule Figure 8A 23 Ferrule Seating Tool Figure 8A 24 Needle Revised 8 31 77 2D21 CHEROKEE ARROW III...

Page 372: ...the unbraided strands of shielding Form strands of shielding evenly as shown in Figure 8A 22 and pull lead assembly back through cable outlet plate until ferrule binds in the outlet well Position the...

Page 373: ...igure 8A 26 Installing Grommet Over Lead Ferrule Assemblies Figure 8A 27 Lead Assembly Installed in Grommet Figure 8A 28 Wire Doubled Over for Installation of Eyelet Revised 8 31 77 2D23 CHEROKEE ARRO...

Page 374: ...easily in this manner the resisting contact between the neoprene collar and the barrel insulator will be broken by a rotary twisting of the collar Avoid undue distortion of the collar and possible sid...

Page 375: ...the time the carbon dioxide is applied will aid in the removal of an excessively seized plug e Do not allow foreign objects to enter the spark plug hole 8A 38 INSPECTION AND CLEANING OF SPARK PLUG a V...

Page 376: ...d returning the oil to the sump should the pressure become excessive This valve is not adjustable however particles of metal or other foreign matter lodged between ball and seat will result in a drop...

Page 377: ...starter Mixture in idle cut off Incorrect throttle Open throttle to one setting eight of its range Defective spark plugs Clean and adjust or re place spark plugs Defective ignition wire Check with el...

Page 378: ...e Uneven cylinder com Check condition of pis pression ton rings and valve seats Faulty ignition system Check entire ignition system Insufficient fuel pres Adjust fuel pressure sure Lower power and une...

Page 379: ...ire with electric tester Replace de fective wire Defective spark plug Replace connectors on terminal connectors spark plug wire Failure of engine to Leak in the induction Tighten all connections devel...

Page 380: ...ock or dirt in re Remove and clean oil lief valve pressure relief valve Leak in suction line or Check gasket between pressure line accessory housing and crankcase Dirty oil strainers Remove and clean...

Page 381: ...en gine is indicated Defective temperature Replace gauge gauge Excessive oil consump Low grade of oil Fill tank with oil con tion forming to specifica tions Failing or failed bear Check sump for metal...

Page 382: ...Bowl and Screen 2E19 9 16 Removal of Fuel Filter Bowl and Housing 2E19 9 17 Installation of Fuel Filter Bowl and Screen 2E20 9 18 Cleaning and Inspection of Filter Bowl Screen 2E20 9 19 Electric Fuel...

Page 383: ...n Each tank has an individual quick drain located at the bottom inboard rear corner The fuel strainer also incorporates a quick drain which is located in the left front comer of the firewall The quick...

Page 384: ...will be supplied for up to approximately 75 power Manual leaning to the correct fuel flow will be required at altitudes above 15 000 feet and for engine speeds less than 2300 RPM An absolute pressure...

Page 385: ...Figure 9 1 Fuel System Diagram PA 28R 201 Issued 12 15 76 2E11 CHEROKEE ARROW III SERVICE MANUAL FUEL SYSTEM...

Page 386: ...Figure 9 1a Fuel System Diagram PA 28R 201 S N 2837001 and up Revised 2 13 89 2E12 CHEROKEE ARROW III SERVICE MANUAL FUEL SYSTEM...

Page 387: ...Figure 9 2 Fuel System Diagram PA 28R 201T Revised 2 13 89 2E13 CHEROKEE ARROW III SERVICE MANUAL FUEL SYSTEM...

Page 388: ...ed with a mirror and inspection light through the filler neck Small scrapes in the film adjacent to the filler neck may be disregarded provided there is no indication of peeling b If peeling has occur...

Page 389: ...Figure 9 3 Fuel Sender Units Installation Revised 2 13 89 2E15 CHEROKEE ARROW III SERVICE MANUAL FUEL SYSTEM...

Page 390: ...8R 201T Inboard Outboard S N 28R 7703001 to 28R 7703380 inclusive PA 28R 201 S N 28R 7737162 and up PA 28R 201T Outboard Inboard S N 28R 7703381 and up Note Fuel quantity sender Piper P N 550 504 requ...

Page 391: ...l sender location d Reaching through the access opening remove the five bolts and washers securing the sender unit to the rear surface of the tank 9 10 INSTALLATION OF TRANSMITTERS Refer to Figure 9 3...

Page 392: ...fuel in the tank e Add fuel to the tank in the amount of five U S gallon increments until the tank is full and observe gauge readings NOTE It is permissible to adjust the float assembly to obtain spe...

Page 393: ...tor cover with attaching screws e Install the valve control handle with attaching screws 9 15 FUEL FILTER BOWL AND SCREEN Refer to Figure 9 6 9 16 REMOVAL OF FUEL FILTER BOWL AND HOUSING a Ascertain t...

Page 394: ...en the bail nut f Safety the bail nut and the bail wire assembly 9 19 ELECTRIC FUEL PUMP AIRBORNE PA 28R 201T 9 20 REMOVAL AND INSTALLATION OF ELECTRIC FUEL PUMP The electric rotary vane type fuel pum...

Page 395: ...ure of 8 to 10 psi j Readjust power supply and LOW terminal to ensure a pump pressure of 8 to 10 psi at a power supply voltage of the previously recorded in step e k Secure the LOW terminal slider l C...

Page 396: ...the pressure indicated on the calibrated pressure gauge The pressure on the gauge should be higher then that recorded in step c but not more than 24 5 psi e Switch off Master Switch and reconnect lea...

Page 397: ...d as follows a Replacement of shaft seal 1 Separate the pump end assembly from the motor by removing the four machine screws Note the relationship of the pump and motor before separation 2 The shaft s...

Page 398: ...he fuel selector on open the bypass valve on the test line and start the pump e When a steady flow of fuel is obtained close the bypass valve and check the reading on the pressure gauge It should read...

Page 399: ...ead lube such as Slip Spray Lubricant DuPont or Ferrulube Parker Hannifin and torque the nut to the proper values as listed in step d If the union is unserviceable it must be replaced per instructions...

Page 400: ...the union 2 Carefully align the tube into the union and snug up the nut using a wrench 3 Then using the wrench tighten the nut one to two flats 1 6 to 1 3 of a turn d If a repair is being made using a...

Page 401: ...ector valve in Reposition as required improper position Damaged fuel selector Replace fuel selector valve valve Fuel quantity gauge Broken wire Check and repair fails to operate Gauge inoperative Repl...

Page 402: ...e gauge Replace gauge Fuel selector valve in Reposition fuel selector improper position valve lever Low pressure or Obstruction in inlet Trace lines and pressure surges side of pump locate obstruction...

Page 403: ...lve 2F18 10 14 Adjustment of Vacuum Regulator Valve 2F18 10 15 Removal and Replacement of Regulator Valve 2F18 10 16 Suction Gauge 2F20 10 17 General 2F20 10 18 Troubleshooting 2F20 10 19 Pitot Static...

Page 404: ...52 General 2G8 10 53 Troubleshooting 2G8 10 54 Removal and Replacement 2G8 10 55 Fuel Pressure Gauge 2G8 10 56 General 2G8 10 57 Troubleshooting 2G9 10 58 Removal and Replacement 2G9 10 59 Electrical...

Page 405: ...G13 10 79 General 2G13 10 80 Gyro Fitting Installation Procedure 2G13 10 81 Cylinder Head Temperature Gauge 2G13 10 82 General 2G13 10 83 Troubleshooting 2G14 10 84 Removal and Replacement 2G14 10 85...

Page 406: ...and lines that connect these components Serial numbers 2837001 and up of the PA 28R 201 and serial numbers 2803001 and up of the PA 28R 201T have auxiliary electrically operated dry vacuum pumps inco...

Page 407: ...then should the regulator be adjusted b Visually examine gauge performance as follows 1 When the engine not operating and no vacuum is applied to the gauge the pointer on the gauge should rest agains...

Page 408: ...ge is not suspect NOTE Regulator malfunctions tend to increase vacuum power to the gyro instruments Although this excess of vacuum is applied a loss of vacuum does occur Gyro instruments themselves ac...

Page 409: ...Figure 10 1 Instrument Panel Typical Revised 2 13 89 2F11 CHEROKEE ARROW III SERVICE MANUAL INSTRUMENTS...

Page 410: ...Figure 10 1a Instrument Panel PA 28R 201 S N 2837001 and up Revised 2 13 89 2F12 CHEROKEE ARROW III SERVICE MANUAL INSTRUMENTS...

Page 411: ...Figure 10 1b Instrument Panel PA 28R 201T S N 2803001 and up Revised 2 13 89 2F13 CHEROKEE ARROW III SERVICE MANUAL INSTRUMENTS...

Page 412: ...Figure 10 2 Pitot Static System Revised 2 13 89 2F14 CHEROKEE ARROW III SERVICE MANUAL INSTRUMENTS...

Page 413: ...ur retaining nuts g Remove all plugs and caps from the fittings and hoses and secure the hoses to the pump with clamps h After a functional operation check replace the top cowling 10 12 AUXILIARY VACU...

Page 414: ...Figure 10 3 Vacuum Auxiliary Vacuum Installation Revised 2 13 89 2F16 CHEROKEE ARROW III SERVICE MANUAL INSTRUMENTS...

Page 415: ...ct electrical leads at terminals of the pump motor assembly 4 Insulate and secure disconnected electrical leads 5 Loosen the band clamps and remove pump motor from firewall brackets 6 Locate the elaps...

Page 416: ...mmended by Piper CAUTION Before any adjustments are made to the vacuum regulator verify that the system filters and lines are clean a Bend locking tabs up if applicable then loosen locking nut or remo...

Page 417: ...ust regulator correct or a maximum pressure Normal vacuum indication Faulty instrument Replace instrument but sluggish operation of instruments Dirty or clogged filter or Replace filter vacuum line ki...

Page 418: ...ions connections and terminals Check all wire for open breaks repair as needed AUX ON selected on Leak in vacuum system Tighten clamps and check ground check and little hoses Replace if necessary or n...

Page 419: ...to drain moisture from the pressure line running between the pitot mast and the instrument panel When installed an alternate static source control valve is located below the instrument panel to the ri...

Page 420: ...etc the directional gyro is only accurate for the heading it has been set for If the gyro is set on 270 for instance and the aircraft is turned to some other heading there can be a large error betwee...

Page 421: ...airplane relative to pitch and roll axis A bar across the face of the indicator represents the horizon and aligning the miniature airplane to the horizon bar simulates the alignment of the airplane to...

Page 422: ...on in lines Obstruction in pitot Clean lines and head head Pointer oscillates Leaks in static lines Disconnect all instruments connected to the static line Check individual instruments for leaks Recon...

Page 423: ...has three pointers and dial scale the long pointer is read in hundreds of feet the middle pointer in thousands of feet and the short pointer in ten thousands of feet A barometric pressure window is l...

Page 424: ...tly inoperative High or low reading Improper venting Eliminate leak in static pressure system and check alignment of airspeed tube Setting knob is hard Wrong lubrication or Replace instrument to turn...

Page 425: ...h the air The airspeed indication is the differential pressure reading between pitot air to pressure and static air pressure This instrument has the diaphragm vented to the pitot air source and the ca...

Page 426: ...should be swung whenever instruments or radios are changed and at least once a year 10 41a ADJUSTMENT OF COMPASS Before attempting to compensate compass every effort should be made to place the aircr...

Page 427: ...ssive card Insufficient liquid Replace instrument oscillation Card sluggish Wear card magnet Replace instrument Excessive pivot friction Replace instrument or broken jewel Liquid leakage Loose bezel s...

Page 428: ...ine in inches of mercury 10 45 TROUBLESHOOTING TABLE X VIII MANIFOLD PRESSURE INDICATOR Trouble Cause Remedy Excessive error at Pointer shifted Replace instrument existing barometric pressure Excessiv...

Page 429: ...ose cable connections Tighten cable Pointer oscillates Rough spot on or Repair or replace excessively sharp bend in shaft Excessive friction in Replace instrument instrument Indicator changes in Exces...

Page 430: ...ce instrument adjustment Excessive pointer Air in line or rough Disconnect line and fill oscillation engine relief with light oil Check for leaks If trouble persists clean and adjust relief valve Slug...

Page 431: ...valve Air leak in intake lines Defective gauge Replace gauge Pressure low or Obstruction in inlet Trace lines and locate pressure surges side of pump obstruction Faulty bypass valve Replace Faulty dia...

Page 432: ...ting attitude error 10 62 TROUBLESHOOTING TABLE X XII TURN AND BANK INDICATOR Trouble Cause Remedy Pointer fails to respond Foreign matter lodged in Replace instrument instrument Incorrect sensitivity...

Page 433: ...ded incorrectly connection transmitter and electrical connections Float arm sticky Replace fuel transmitter Insulated transmitter Remove transmitter and grounded sealant Check for metal particles in s...

Page 434: ...Alternator Section 10 75 REMOVAL AND REPLACEMENT Refer to Paragraph 10 76 of this section 10 76 REMOVAL AND REPLACEMENT OF FACE MOUNTED INSTRUMENTS 10 77 GENERAL Since all instruments are mounted in a...

Page 435: ...of foreign particles and or residue before connecting lines to gyro NOTE Use of thread lube on fittings or in ports will create a warranty void condition a Carefully lay teflon tape on the threads all...

Page 436: ...button test switch located on the upper left center portion of the instrument panel Two additional amber lights come with the PA 28R 201T model Refer to Figure 10 1 The panel monitors alternator outp...

Page 437: ...r Capacitors 2H3 11 18 Removing Needle Bearing from End Shield 2H4 11 19 Installing Needle Bearing in End Shield 2H4 11 20 Removing Drive Pulley 2H5 11 21 Removing Drive End Bearing 2H5 11 22 Replacin...

Page 438: ...7 Brush Holders 2H24 11 58 Gear and Pinion Housing PA 28R 201 2I1 11 59 Bendix Drive PA 28R 201 2I1 11 60 Assembly 2I1 11 61 Bench Tests 2I2 11 62 Starting Motor Control Circuit 2I2 11 63 Starting Mot...

Page 439: ...ly 2I6 11 87 Troubleshooting Procedure 2I9 11 88 Instrument and Panel Lights 2I10 11 89 Removal of Dimmer Control Assembly 2I10 11 90 Installation of Dimmer Control Assembly 2I10 11 91 Annunciator Pan...

Page 440: ...lectrical and avionics equipment in case of a regulator malfunction The loads from the electrical bus systems are protected by manual reset type circuit breakers mounted on the lower right hand side o...

Page 441: ...ps it will result in a complete shutdown of power from the generating system After a one or two minute cool down period the breaker can be reset manually If tripping recurs and holding the breaker dow...

Page 442: ...CURRENT DRAW Connect a test ammeter in series between a 12 volt battery positive post and the alternator field terminal Refer to Figure 11 3 Connect a jumper wire to a machined surface on one of the a...

Page 443: ...brush assembly and the parts were either assembled wrong or damaged and short circuiting through to ground Inspect the brush holder and insulated washer Replace if damaged The stack of parts attachin...

Page 444: ...se rectifier lead wires in the heat sink at the rectifiers The meter reading for each of the rectifiers should be the same Always contact the connection nearest the rectifiers Do not break the sealing...

Page 445: ...d to the bare wire of the rectifier leads at the rectifiers in the end shield The meter will indicate the condition of the rectifier The test indications are the same for the negative case rectifiers...

Page 446: ...fiers without damage NOTE Only new rectifiers should be installed It is not recommended to reinstall rectifiers once they have been removed The tool kit can be used on all Chrysler built alternators A...

Page 447: ...STALLING RECTIFIERS Start the new rectifier as squarely as possible into the hole the old rectifier was removed from after first checking to be sure it is of the proper polarity The negative rectifier...

Page 448: ...Use rosin core solder only The solder must be hot enough to flow and form a positive connection Cold solder joints will break open A good solder connection will be smooth while a poor solder joint col...

Page 449: ...e stator is required 11 17 TESTING ALTERNATOR CAPACITORS Capacitors are used in connection with alternators to suppress any transient peak voltage that may occur It is essential therefore to test the...

Page 450: ...ARING IN END SHIELD Refer to Figure 11 13 Support the end shield on the C 3925 tool and press the bearing into the end shield with tool SP 3381 Tool SP 3381 has a concaved end that is shaped to fit ov...

Page 451: ...the rotor shaft with a soft hammer while holding the end shield Remove the drive end bearing from the rotor shaft with puller C 4068 and special adapters as follows a Position the center screw of too...

Page 452: ...e solder lugs align with the rotor coil leads 2 Place assembly tool C 3900 over rotor shaft and slip ring 3 Position assembly in an arbor press and press the slip ring on the shaft until it bottoms on...

Page 453: ...Figure 11 20 Insert the sealed drive end bearing in the drive end shield and install the bearing retainer Install the washers and nuts to hold the bearing in place on all early production Snap the spr...

Page 454: ...bearing 11 28 ASSEMBLING END SHIELD SUB ASSEMBLIES Position the rotor and drive end shield assembly on the rectifier end shield Align the through bolt holes through the drive end shield stator and th...

Page 455: ...nected to the alternator Adjust the load to obtain 15 volts Net output not including field current shall be not less than 49 0 amperes 11 30 BENCH HOT STABILIZATION OUTPUT TEST To determine the hot st...

Page 456: ...100 hour inspection thereafter The torque method for checking alternator belt tension is given as follows a Apply a torque indicating wrench to the nut that attaches the pulley to the alternator and...

Page 457: ...ke a continuity check to be sure the brushes are seated against the slip rings d Drive Pulley On PA 28R 201 torque the drive pulley retaining nut to 35 foot pounds 11 34 ALTERNATOR SERVICE PRECAUTIONS...

Page 458: ...e voltage P I V minimum for transient voltage protection Three positive rectifiers are mounted in the rectifier mounting plate while the three negative rectifiers are mounted in the slip ring end head...

Page 459: ...Remove the fan woodruff key and spacer from the shaft d Remove the four through bolts and tap the drive end head lightly to separate the drive end head and rotor as a unit from the stator and slip rin...

Page 460: ...poles To test for shorted turns in the rotor windings connect a voltmeter ammeter and rheostat as shown in Figure 11 29 or use an ohmmeter Rotor current draw and resistance are listed in the Alternat...

Page 461: ...e alternator to growl or be noisy during operation and will usually show some signs of overheating If all other electrical checks are normal and alternator fails to supply its rated output the stator...

Page 462: ...he lip of the oil seal is toward the bearing Stake the seal in place Correct assembly of bearing seal inner race and spacer as shown in Figure 11 33 f Assemble the alternator and install the through b...

Page 463: ...rnator on the engine NOTE Always refer to the wiring diagram when installing the alternator or testing the alternator CAUTION Do not test alternators used on PA 28R 201T at full rated output for more...

Page 464: ...d Output 60 amperes 65 amperes Ground Polarity Negative Negative Rotation Bi Directional Bi Directional Rotor Current Draw 77 F 3 0 to 3 3 amps 12 0 volts 2 4 to 4 0 amps 12 0 volts Resistance 77 F 3...

Page 465: ...ed wire at the regulator harness connector or terminal block Connect the negative voltmeter lead to the regulator housing Note Do not connect the voltmeter across the battery because the regulator is...

Page 466: ...N On PA 28R 201 airplanes the gear reduction starting motor consists of six major components the commutator end head assembly the armature the frame and field assembly the gear housing the pinion hous...

Page 467: ...sion have accumulated on the battery it should be cleaned with a solution of baking soda and water Be sure none of the solution enters the battery cells b The starting circuit wiring should be inspect...

Page 468: ...re and after installing the drive end head d The starting motor should be operated for a few seconds with the ignition switch off This is to determine that the starter engages properly and that it tur...

Page 469: ...e assembly off the shaft Do not attempt to disassemble the drive and do not dip it in cleaning solvent 4 To remove the roller bearings from the gear housing use an arbor press and the correct bearing...

Page 470: ...ls a growler is used Refer to Figure 11 40 The armature is placed on the growler and slowly rotated by hand while a steel strip is held over the core so that it passes over each armature core slot If...

Page 471: ...arbor press and the proper bearing arbor for installing graphitized bronze bearings Soak new absorbent bronze bearings in SAE 20 oil before installation Saturate the felt oiling pad in the commutator...

Page 472: ...ross the switch contacts during normal starting If loss is in excess of 0 2 volts per 100 amperes the solenoid should be replaced c If solenoid fails to operate when the manual starting switch is turn...

Page 473: ...is dimension is measured from the centerline of the mounting hole nearest the drive end head to the edge of the pinion 11 67 INSTALLATION OF BATTERY a Ascertain that the battery and battery box have b...

Page 474: ...a consistency of thin cream The application of this mixture should be applied until all bubbling action has ceased CAUTION Do not allow soda solution to enter battery c Rinse the battery and box with...

Page 475: ...e cowl The light is controlled by a switch to a 10 amp circuit breaker 11 73 REMOVAL a Remove the retaining bracket from the lamp b Pull lamp out and remove the two electrical leads from the back of t...

Page 476: ...E LIGHT a Route the wires from the new lamp down through the hole in the navigation light bracket b Insert the wire terminals in the plastic plug supplied with the new lamp Wire according to the schem...

Page 477: ...Figure 11 44 Strobe Light Connections Earlier Models Revised 2 13 89 2I7 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 478: ...Figure 11 44a Strobe Light Connections Later Models Revised 2 13 89 2I8 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 479: ...struction from overheating of the power supply This damage is sometimes not immediately apparent but will cause failure of the system in time b Check for malfunction in interconnecting cables 1 Ascert...

Page 480: ...ugh a 5 amp fuse located behind the switch panel The VAC warning light is controlled by a vacuum sensor switch located at the firewall and is attached to the vacuum regulator The sensor switch will ac...

Page 481: ...d with copper wire with suitable terminals 11 97 IGNITION SWITCH Refer to Figure 11 44b 11 98 REMOVAL OF IGNITION SWITCH Access to the ignition switch is gained by reaching up under the instrument pan...

Page 482: ...Figure 11 44b Ignition Switch Revised 2 13 89 2I12 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 483: ...Figure 11 45 Terminal Block Revised 2 13 89 2I13 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 484: ...t breaker SA field terminals of master switch voltage regulator and alternator field terminal Interruption of voltage through any of these points isolates the faulty components or wire which must be p...

Page 485: ...of alternator from field wiring and check for continuity from field terminal to ground with ohmmeter 20 100 ohms depending on brush contact resistance Pull propeller slowly by hand turning alternator...

Page 486: ...be 13 5 volts minimum If voltage is below this value replace regulator High resistance Check visually for loose connections in field binding posts at the or output circuit various junction points in...

Page 487: ...ut it can be assumed that a faulty rectifier exists See paragraphs titled Testing of Rectifiers or Inspection and Testing of Components Field circuit breaker Short circuit in field Disconnect field wi...

Page 488: ...If there are no obvious signs of a physical short circuit at field terminal or brush holder replace alternator Note Intermittent short circuit Internal short circuiting of the field can occur at vari...

Page 489: ...tall with correct polarity Battery charged Remove battery Connect backwards load such as landing light lamp or similar load and discharge battery Recharge with correct polarity and test each cell for...

Page 490: ...tc Tighten all connections and replace faulty terminals High field circuit If problem persists jump resistance across terminals of the following components one at a time until the faulty unit is isola...

Page 491: ...ssive side excessive side play play Binding brushes and brush boxes should be wiped clean with a gasoline undoped moistened cloth A new brush should be run in until at least 50 percent seated however...

Page 492: ...umber 0000 sandpaper If too rough and pitted remove and turn down Blow out all particles Shorted grounded or Remove and replace with open armature an armature known to be in good condition Grounded or...

Page 493: ...utator down on a lathe brushes Armature assembly Reface commutator not concentric Discharged battery Battery worn out Replace battery Low electrical Check voltage system voltage regulator voltage Stan...

Page 494: ...Replace Compound on top of Charging rate too Reduce charging rate battery melts high Check voltage regulator voltage Electrolyte runs out Too much water added Drain and keep at proper of vent plugs t...

Page 495: ...tested Battery consumes excessive Charging rate too high Correct charging rate water if in all cells Cracked jar one cell Replace battery only All warning lights fail Blown fuse Replace the 5 amp fuse...

Page 496: ...ial bridged between terminals Defective sensor Replace OVER BOOST warning Bulb burned out Replace fails to operate Circuit in manifold Replace gauge pressure gauge defective OVER BOOST warning Press t...

Page 497: ...ALT warning light fails Bulb burned out Replace to operate No current from bus Check all wire segments to resistor and connections ALT warning light fails Blown fuse Replace 5 amp fuse near to exting...

Page 498: ...TABLE XI VI ELECTRICAL SYMBOLS Revised 2 13 89 2J4 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 499: ...TROL SURFACE E ENGINE INSTRUMENT F FLIGHT INSTRUMENT G LANDING GEAR H HEATER VENTILATING DEICING L LIGHTING P POWER Q FUEL OIL RP RADIO POWER RZ RADIO AUDIO INTERPHONE J IGNITION RG RADIO GROUND W WAR...

Page 500: ...2J9 11 58 Avionics 2J10 11 59 Engine Gauges PA 28R 201 2J10 11 60 Engine Gauges PA 28R 201T 2J11 11 61 Instrument Lights PA 28R 201 2J11 11 62 Instrument Lights PA 28R 201T 2J12 11 63 Alternator and S...

Page 501: ...ights Figure 11 47 Fuel Pump PA 28R 201 PA 28R 201 and 201T Figure 11 48 Landing Light Figure 11 49 Navigation Lights PA 28R 201 and 201T PA 28R 201 and 201T Revised 2 13 89 2J7 CHEROKEE ARROW III SER...

Page 502: ...ghts Figure 11 51 Pitch Trim PA 28R 201 and 201T PA 28R 201 and 201T Figure 11 52 Pitot Heat PA 28R 201 and 201T Figure 11 53 Radio Lights PA 28R 201 and 201T Revised 2 13 89 2J8 CHEROKEE ARROW III SE...

Page 503: ...Figure 11 55 Stall Warning PA 28R 201 and 201T PA 28R 201 and 201T Figure 11 56 Turn and Bank Figure 11 57 A C Blower PA 28R 201 and 201T PA 28R 201 and 201T Revised 2 13 89 2J9 CHEROKEE ARROW III SER...

Page 504: ...Figure 11 58 Avionics PA 28R 201 and 201T Figure 11 59 Engine Gauges PA 28R 201 Revised 2 13 89 2J10 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 505: ...Figure 11 60 Engine Gauges PA 28R 201T Figure 11 61 Instrument Lights PA 28R 201 Revised 2 13 89 2J11 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 506: ...Figure 11 62 Instrument Lights PA 28R 201T Revised 2 13 89 2J12 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 507: ...Figure 11 63 Alternator and Starter PA 28R 201 Revised 2 13 89 2J13 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 508: ...Figure 11 64 Alternator and Starter PA 28R 201T Early Models Revised 2 13 89 2J14 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 509: ...Figure 11 64a Alternator and Starter Schematic PA 28R 201 S N s 2837001 up PA 28R 201T S N s 2803001 up Revised 2 13 89 2J15 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 510: ...Figure 11 65 Fuel Pump PA 28R 201T Revised 2 13 89 2J16 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 511: ...Figure 11 66 Landing Gear PA 28R 201 201T Revised 2 13 89 2J17 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 512: ...Figure 11 66a Landing Gear Without Backup Extender Functional or Installed PA 28R 201 and 201T Revised 2 13 89 2J18 CHEROKEE ARROW III SERVICE MANUAL ELECTRICAL SYSTEM...

Page 513: ...Emergency Locator Transmitter 2J21 12 5 Emergency Locator Transmitter 2J21 12 6 Description 2J21 12 7 Battery Removal and Installation Communications Components Corp 2J21 12 8 Removal and Installatio...

Page 514: ...ida 33310 305 776 4100 TWX 5109559884 Collins General Aviation Division Rockwell International Cedar Rapids Iowa 52406 319 395 3625 Telex 464421 Edo Corporation Avionics Division Box 610 Municipal Air...

Page 515: ...Aerofiche published monthly by Piper Consult the aircraft s parts catalog for replacement parts NAME PIPER PART NO AutoControl I II and AltiMatic I II 753 798 AutoControl III and AltiMatic III and III...

Page 516: ...on the right side of the airplane tail section ahead of the stabilator a Remove the access plate on the right side of fuselage aft of sta 228 30 b Rotate the ON ARM OFF switch to the OFF position c D...

Page 517: ...the circuit board 10 Reinsert the control head section into the battery pack being careful not to pinch any wires and replace the four screws If the four holes do not line up rotate the battery pack 1...

Page 518: ...ould be no longer than three audio sweeps 2 If the antenna is removed a dummy load should be substituted during the test 3 Test should be conducted only within the time period made up of the first fiv...

Page 519: ...me precautions noted in paragraph 12 10 must be observed a Tune the aircraft communications receiver to 121 5 mHz and switch the receiver ON deactivate the squelch and turn the receiver volume up unti...

Page 520: ...d by rotating the switch to the OFF position and then to the ARM position b If the transmitter is inadvertently activated through impact deactivate by pushing in on the OFF ARM ON switch NOTE As a rou...

Page 521: ...Figure 12 1 ELT Schematic Typical Revised 2 13 89 2K3 CHEROKEE ARROW III SERVICE MANUAL ELECTRONICS NOTE AIRCRAFT POWER USED TO SHUT OFF THE ELT WITH REMOTE SWITCH...

Page 522: ...Figure 12 2 ELT Portable Folding Antenna Narco Figure 12 3 ELT Using Fixed Aircraft Antenna Narco 2K4 CHEROKEE ARROW III SERVICE MANUAL ELECTRONICS...

Page 523: ...ON XIII HEATING AND VENTILATING Aerofiche Paragraph Grid No 13 1 Introduction 2K6 13 2 Description 2K6 13 3 Heater Maintenance 2K6 13 4 Overhead Vent System 2K6 Revised 2 13 89 2K5 HEATING AND VENTILA...

Page 524: ...r for both models is picked up from an inlet in the leading edge of each wing The air passes through the wings to individually controlled outlets located just forward of each seat An air vent is locat...

Page 525: ...Figure 13 1 Cabin Heater and Defroster PA 28R 201 Revised 2 13 89 2K7 CHEROKEE ARROW III SERVICE MANUAL HEATING AND VENTILATING...

Page 526: ...Figure 13 2 Cabin Heater and Defroster PA 28R 201T Revised 2 13 89 2K8 CHEROKEE ARROW III SERVICE MANUAL HEATING AND VENTILATING...

Page 527: ...Figure 13 3 Overhead Vent System and Fresh Air System NOT AVAILABLE WITH AIR CONDITIONING Revised 2 13 89 2K9 CHEROKEE ARROW III SERVICE MANUAL HEATING AND VENTILATING...

Page 528: ...INTENTIONALLY LEFT BLANK 2K10 THRU 2L24 2K10...

Page 529: ...ARROW III TURBO ARROW III ARROW SERVICE MANUAL CARD 3 OF 3 PA 28R 201 201T PIPER AIRCRAFT CORPORATION PART NUMBER 761 639 3A1 Courtesy of Bomar Flying Service www bomar biz...

Page 530: ...rial Revision lines indicate only current revisions with changes and additions to existing text and illustrations Changes in capitalization spelling punctuation indexing the physical location of the m...

Page 531: ...RFACE CONTROLS lF6 VI HYDRAULIC SYSTEM lH5 VII LANDING GEAR AND BRAKE SYSTEM lI22 AEROFICHE CARD NO 2 VIII POWER PLANT CONTINENTAL 2A9 VIIIA POWER PLANT LYCOMING 2C18 IX FUEL SYSTEM 2E8 X INSTRUMENTS...

Page 532: ...Valve 3B10 14 13 Components Installation 3B12 14 14 Adjustment of Air Conditioning Throttle Switch PA 28R 201 3B13 14 15 Air Conditioning Wiring Schematic 3B14 14 16 Oxygen Installation 3C2 14 17 Test...

Page 533: ...of Partial Charge to System 3A18 14 18 Compressor Service 3A18 14 19 Compressor Removal 3A19 14 20 Compressor Installation 3A19 14 21 Checking Compressor Oil 3A20 14 22 Replacement of York Compressor...

Page 534: ...s 3C2 14 59 Swageloc Fitting Installation 3C3 14 60 Application of Teflon Tape Thread Sealant 3C5 14 61 Leak Tests 3C6 14 62 Oxygen System Component Handling 3C6 14 63 Removal of Oxygen Cylinder 3C6 1...

Page 535: ...aft during its takeoff flight conditions During maximum power demands the compressor is de clutched and the condenser door is automatically retracted 14 3 AIR CONDITIONING SYSTEM OPERATION The air con...

Page 536: ...Figure 14 1 Air Conditioning System Installation Revised 2 13 89 3A8 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 537: ...75 22 4 22 144 76 23 1 23 148 77 23 8 24 152 78 24 6 25 156 79 25 3 26 160 80 26 1 27 162 81 26 8 28 165 82 27 6 29 167 83 28 4 30 170 84 29 2 31 172 85 30 32 175 86 30 9 33 177 87 31 7 34 180 88 32...

Page 538: ...of mercury or 1 2 psi higher than the chart indicates It must be pointed out that the actual temperature of the air passing over the coils of the evaporator will be several degrees warmer allowing for...

Page 539: ...cool water and protect with petroleum jelly 4 Do not discharge large quantities of R 12 into closed rooms It may displace most of the air in the room and this could cause oxygen starvation Gaseous R...

Page 540: ...4 1 1 16 28 33 ft lbs 14 6 SERVICE VALVES The purpose of the service valve is to service the air conditioning system Testing Bleeding Evacuating and Charging This aircraft is equipped with service val...

Page 541: ...gauge is a high pressure gauge used in the discharge side of the system The other is a low pressure gauge used in the suction side of the system The manifold is a device having fittings for both gaug...

Page 542: ...Figure 14 4 Manifold Set Operation Revised 2 13 89 3A14 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 543: ...the low side manifold valve and open the high side manifold valve d Open the refrigerant container service valve and allow the pressure at the low side gauge to reach 50 psi at which time close the hi...

Page 544: ...tion Refer to Figure 14 7 a Close all valves on charging station b Connect red high pressure charging line to high pressure Schrader valve at the evaporator fitting c Open valve 8 high pressure contro...

Page 545: ...compound gauge reading will be about one inch lower numerically The following steps should be of help when performing this operation a Remove access panel at the rear of the cabin to gain access to t...

Page 546: ...manifold hose from the vacuum pump k Proceed to charge the system in accordance with paragraph 14 14 NOTE The system should be charged as soon as it has been evacuated 14 14 CHARGING THE SYSTEM When t...

Page 547: ...the charging stand Disconnect the high and low pressure charging lines from the aircraft system A small amount of refrigerant remaining in the lines will escape Replace lines on holder of charging st...

Page 548: ...ug h The sight glass should be clear of any bubbles or foam If bubbles or foam are seen passing through the sight glass it is an indication of a low refrigerant charge in the system and more refrigera...

Page 549: ...rigerant to the system Engine should be operating at 1000 rpm NOTE This should be done with OAT at 70 F or higher with the air conditioner operating k Shut off the air conditioner and engine Remove th...

Page 550: ...he magnetic clutch on the compressor 4 Depressurize the air conditioning system 5 Remove the suction and discharge line from the service valves on the compressor NOTE All open lines should be capped i...

Page 551: ...discharged a The following steps should be followed to perform York compressor oil check 1 It will be necessary to discharge the system Refer to paragraph 14 12 2 Fabricate an oil dipstick Refer to F...

Page 552: ...een 2 6 and 4 4 fluid ounces 8 When oil is added Piper refrigerant oil PMS L2000 or equivalent 500 viscosity refrigerant oil must be used 9 When installing the oil filler plug make sure the sealing O...

Page 553: ...14 8a Top Dead Center Casting Mark Sankyo Compressor Figure 14 8b Rotation of Clutch Front Plate Sankyo Compressor Oil Check Revised 2 13 89 3B1 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTIL...

Page 554: ...by measuring the width of the starter ring gear plus the dimension from the forward machined surface of the ring gear to the forward edge of the compressor drive belt Refer to Figure 14 9a 3 The chec...

Page 555: ...Figure 14 9a Compressor and Alternator Belt Installation Lycoming Revised 2 13 89 3B3 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 556: ...Figure 14 9a Compressor and Alternator Belt lnstallation Lycoming cont Revised 2 13 89 3B4 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 557: ...ound servicing the test area should be clean and free of any loose objects lying on the ramp Only the service valve located on the evaporator assembly should be used for testing 4 Shut down engine and...

Page 558: ...outer flange of the pulley This can damage the pulley grooves or clutch bearings c Remove the four bolts securing the field assembly against the compressor bosses and remove the bolts washers and fie...

Page 559: ...e bottom of the fuselage up thru the floor to the condenser and evaporator in the tail cone The discharge is in the right hat section and the suction in the left NOTE Before any of the hose couplings...

Page 560: ...condenser in accordance with paragraph 14 35 f Seal all around cover panel and aft cover panel if removed with Permagum Bead No 576 purchased from Prestolite Engineering Company See Figure 14 11 WARNI...

Page 561: ...Figure 14 11 Condenser Air Scoop Installation Revised 2 13 89 3B9 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 562: ...he receiver drier and the evaporator inlet The capillary coil is attached to the evaporator outlet line a Remove the necessary access panels and discharge system b Remove the capillary coil from the o...

Page 563: ...on the flanges of the evaporator housing and attach the large end of the mounting gasket to the back of the housing b Install the housing through the access hole with the air duct outlet on top Mate t...

Page 564: ...he fuselage where it connects to the blower motor pressure relief switch and the condenser actuating motor NOTE Newer models of the PA 28R 201T air conditioning throttle switch may appear different in...

Page 565: ...in reel end shaft f Release harness and allowing it to wind up extend the harness a few times to check reel for smooth operation g With reel fully wound hold with inertia mechanism end up and pry off...

Page 566: ...Figure 14 15 Air Conditioning Wiring Schematic Revised 2 13 89 3B14 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 567: ...spins freely b Position the cover over the motor plate with the motor wires protruding through the cover grommet c With the holes in the cover matching the holes in the motor plate secure the two par...

Page 568: ...indicated by heavy is securely clamped to frosting on suction suction line If capillary line and compressor bulb OK replace expansion suction service valve valve Restriction in liquid Check for kinke...

Page 569: ...porator valve inlet screen clogged lacks refrigerant Inoperative expansion Remove screen Clean valve Valve stuck closed with solvent and replace or capillary bulb has lost Warm capillary by holding it...

Page 570: ...Replace relay air conditioner switch is in OFF position Electrical System produces no Blown fuse in Replace fuse cooling control head Open circuit breaker Reset circuit breaker Broken or disconnected...

Page 571: ...e belts belt and or tighten to specifications 14 22 and 14 23 Compressor partially Remove compressor for or completely frozen service or replacement 14 18 Expansion valve stuck Replace expansion in op...

Page 572: ...ressor clutch Remove clutch assembly for slipping service or replacement 14 24 Obstructed blower Examine entire passage passage for obstruction Correct as necessary Insufficient air Clean condenser co...

Page 573: ...rect amount low of specified oil 14 21 Refrigeration Excessive charge in Discharge excess freon until system high pressure gauge drops within specifications Low charge in system Check system for leaks...

Page 574: ...xcessive moisture Purge system replace in system receiver dehydrator 14 32 Air in system Purge evacuate and charge system 14 13 and 14 14 Replace receiver dehydrator 14 32 Excessive noisy Electrical s...

Page 575: ...e 2 Ground 2 Brown Brown Black AC26A 2 Low Speed 1 Red Yellow Yellow Black 1 Medium Speed 2 Black Red Red White 2 High Speed 1 Yellow Orange Orange Red 1 NOTE 1 Pin number 1 is at the pointed side of...

Page 576: ...d in the overhead duct behind the passengers and is lighted by a post light The portable oxygen system uses a 22 cu ft capacity 3AA 1800 cylinder The tank is incorporated in a carrying case which util...

Page 577: ...lot s outlet c Insert a Scott plug in in each of the other outlets and pull the oxygen control knob to the on position The pressure and flow should be 55 to 80 psi and 3 3 to 5 31 pm respectfully at s...

Page 578: ...Figure 14 16 Fixed Oxygen System Revised 2 13 89 3C2 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 579: ...Figure 14 17 Test Apparatus For Testing Oxygen System Revised 2 13 89 3C3 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 580: ...Figure 14 18 Oxygen Tubing Installation Revised 2 13 89 3C4 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 581: ...earance of 1 8 inch allowed after the maximum travel of the tube High pressure lines are affected similarly but require 1 2 inch clearances Refer to Figure 14 18 Sketch B 10 Perform any other required...

Page 582: ...inger tight and insert the tube until it bottoms firmly on the shoulder in the fitting b Tighten nut with a wrench until the tube will not turn by hand c Mark the nut at the six o clock position d Hol...

Page 583: ...Figure 14 19 Installation of Swageloc Fittings Revised 2 13 89 3C7 CHEROKEE ARROW III SERVICE MANUAL ACCESSORIES AND UTILITIES...

Page 584: ...ot extend beyond the last thread on the fitting as the opening The tape should then be pulled until it separates Do not cut the tape it will not stick properly CHART VIII II OXYGEN SYSTEM LIMITS PARTS...

Page 585: ...Temporarily support lines as needed to prevent damage Make sure caps and coverings are as clean as possible 14 62 OXYGEN SYSTEM COMPONENT HANDLING WARNING All oxygen components must be handled carefu...

Page 586: ...by its own access door The valve is interconnected with the gauge line as well as the regulator control valve and is constantly under cylinder pressure as long as the high pressure line is attached t...

Page 587: ...tee fitting at the tank regulator control valve The high pressure line connects into the valve such that it actuates a check valve permitting pressure to the line Disconnect high pressure fitting at t...

Page 588: ...in overhead duct as shown in Figure 35 1 The wrap the cable as before b Make sure cable properly reaches valve and install vent and panels Connect cable to control mechanism 14 71 REFILLING OXYGEN SYS...

Page 589: ...n the cylinder gauge Then open and close each valve on the cascade storage system and determine which cylinder has the lowest pressure When found if this cylinder has a pressure lower than the oxygen...

Page 590: ...ION The portable oxygen system is available as one of two options that provides oxygen for the PA 28R 201T and renders it capable of cruising at higher altitudes The portable oxygen unit consists of a...

Page 591: ...nd year of the last test is stamped on the cylinder beneath the ICC DOT identification 1 Inspect outlets and using directions described in the next paragraph check leaks both in the non use and use co...

Page 592: ...the system Use the following procedures CAUTION When performing this operation make sure the area is a NO SMOKING AREA and is as clean as possible of oil and dirt a Keep all doors and windows open b C...

Page 593: ...efective or take to approved shop Pressure indication normal Oxygen cylinder regulator Return unit to manufacturer but no oxygen flowing assembly defective or take to approved shop Offensive odors in...

Page 594: ...INTENTIONALLY LEFT BLANK 3C18 THRU 3L24...

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