background image

15

309508

Spin Test

Setup

Electric Shock Hazard;

 page 9.

To check armature, motor winding and brush electrical
continuity:

1.

Relieve pressure

;

 page 9.

2.

Remove drive housing, page 20.

3.

Fig. 2. Remove pressure control cover (39). Dis-
connect motor leads (F) and (G).

4.

Fig. 3. Remove motor shroud (74).

Armature Short Circuit Test

Quickly turn motor fan by hand. If no electrical shorts,
motor coasts two or three revolutions before complete
stop.  If motor does not spin freely, armature is
shorted. Replace motor, page 21.

Armature, Brushes, and Motor Wiring Open 
Circuit Test (Continuity)

1.

Connect red and black motor leads together with
test lead. Turn motor fan by hand at about two
revolutions per second.

2.

If uneven or no resistance, check for: broken brush
springs, brush leads, motor leads; loose brush
terminal screws, motor lead terminals; worn
brushes. Repair as needed; page 15.

3.

If still uneven or no resistance, replace motor,
page 21.

9578A

Fig. 2

F

G

39

Motor Brush Replacement

Motor Brush Removal

Replace brushes worn to  less than 1/2 in. Check both
sides. Brush Repair Kit 245914.

1.

Read General Repair Information, page 9.

2.

Relieve pressure

;

 page 9.

3.

Fig. 3. Remove four screws (18) and motor 
shroud (74).

4.

Pry off brush cap (A).

5.

Fig. 5. Remove screw (C) and discard brush (B).

(Continued on page 16)

TI0053

A

74

Fig. 3

18

Summary of Contents for 249166

Page 1: ...7 MPa Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Models L1900 249166 120V 249167 240V 1900 Hi Boy 233936 Series A B C Stand 234952 Series A B Related manuals 309507 Model 233936 Series C ti6024b 309428 Model 233936 Series A B Model 234952 311061 Models 2469166 249167 Model 233936 Series C ...

Page 2: ...nt 21 Displacement Pump Replacement 22 Parts Model 233936 26 Parts Model 234952 30 Technical Data 39 ASM Warranty 40 ASM Phone Number 40 Specifications This equipment is not intended for use with flammable or combustible materials used in places such as cabinet shops or other factory or fixed locations If you intend to use this equipment in this type of application you must comply with NFPA 33 and...

Page 3: ...luding solvent rags and gasoline Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Ground equipment and conductive objects in work area Read Grounding instructions If there is static sparking or you feel a shock stop operating immediately Do not use equipment until you identify and correct the problem Keep a fire extinguisher in the work area ELECTRIC SHOC...

Page 4: ...butor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with genuine ASM replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your ASM distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or overbend hoses or use hoses to pull equipment...

Page 5: ...nductive surface such as paper or cardboard which interrupts the grounding continuity ti5850a ti5572a ti5573a Do not use the sprayer if the electrical cord has a damaged ground prong Only use an extension cord with an undamaged 3 prong plug Recommended extension cords for use with this sprayer 25 ft 7 6 m 18 AWG 50 ft 15 2 m 16 AWG 100 ft 30 5 m 14 AWG 150 ft 45 7 m 12 AWG Smaller gauge or longer ...

Page 6: ... flushing or relieving pressure by hold ing metal part of spray gun firmly to side of a grounded metal pail then trigger gun Grounding and Electric Requirements Thermal Overload Motor has a thermal overload switch to shut itself down if overheated To reduce risk of injury from motor starting unexpectedly when it cools always turn power switch OFF if motor shuts down ti5851a ti6762a ...

Page 7: ...l Trigger gun to relieve pressure 4 Engage trigger lock Leave Spray Prime Drain valve in PRIME DRAIN position until you are ready to spray again If you suspect the spray tip is clogged or that pressure has not been fully relieved after following the above steps VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually Then loosen completely Clear hose or tip obs...

Page 8: ...otor speed to maintain fluid outlet pressure at displacement pump outlet Works with pressure adjusting knob K ON OFF Switch Power switch that controls main power to sprayer M 50 ft 15 m Main Hose 1 4 in ID grounded nylon hose with spring guards on both ends N Spray Gun High pressure spray gun with gun safety latch P Tip Uses high pressure fluid to clear tip clogs without removing tip from spray gu...

Page 9: ...carefully to avoid interference with other connections of pressure control Do not pinch wires between cover and control box 1 Keep all screws nuts washers gaskets and electrical fittings removed during repair proce dures These parts are not normally provided with replacement assemblies To reduce risk of serious injury including electric shock do not touch moving or electrical parts with fingers or...

Page 10: ... or clean fil ter refer to separate gun or tip instruction manual Basic Mechanical Problems 1 Pressure control knob setting 1 Motor stops running when pressure setting is reached 2 Pump 13 for frozen or hardened paint 2 Thaw sprayer if water or water based paint has frozen in sprayer Place sprayer in warm area to thaw Do not start sprayer until thawed completely If paint hardened dried in sprayer ...

Page 11: ... vertical brush movement 9 Motor armature commutator for burn spots gouges and extreme roughness See page 15 9 Remove motor and have motor shop resur face commutator if possible page 21 10 Motor armature for shorts using armature tester growler or perform spin test See page 15 10 Replace motor page 21 Refer to wiring diagram on page 17 to identify test points TP 1 Power supply cord 29 Connect volt...

Page 12: ... exten sion cord 8 Leads from motor to pressure control circuit board 35 for damaged or loose wires or con nectors Inspect wiring insulation and terminals for signs of overheating 8 Be sure male terminal blades are centered and firmly connected to female terminals Replace any loose terminal or damaged wiring Securely reconnect terminals 9 For loose motor brush leads and terminals page 15 9 Tighten...

Page 13: ...ould clog pump 5 Leaking around throat packing nut which may indicate worn or damaged packings page 22 5 Replace packings page 22 Also check piston valve seat for hardened paint or nicks and replace if necessary Tighten packing nut wet cup 6 Pump rod damage 6 Repair pump page 22 7 Capacitor failure Visually inspect capacitor near terminals Ensure that orange safety re lief plug is intact 7 Replace...

Page 14: ...35 by performing motor control board diagnostics page 18 If diagnos tics indicate substitute with a good board CAUTION Do not perform this check until mo tor armature is determined to be good A bad motor armature can burn out a good board 4 Replace with a new pressure control board 35 page 18 1 Basic Electrical Problems page 10 1 Perform necessary procedures 2 ON OFF switch 23 page 17 Be sure spra...

Page 15: ...rcuit Test Continuity 1 Connect red and black motor leads together with test lead Turn motor fan by hand at about two revolutions per second 2 If uneven or no resistance check for broken brush springs brush leads motor leads loose brush terminal screws motor lead terminals worn brushes Repair as needed page 15 3 If still uneven or no resistance replace motor page 21 9578A Fig 2 F G 39 Motor Brush ...

Page 16: ...ting burning or gouging A black color on commutator is normal Have commutator resurfaced by a motor repair shop if brushes wear too fast 9 Test brushes a Remove pump 13 Displacement Pump Replacement page 22 b With sprayer OFF turn pressure control knob fully counterclockwise to minimum pressure Plug in sprayer c Turn sprayer ON Slowly increase pressure until motor is at full speed 10 Break in brus...

Page 17: ... 23 Installation 1 Install new ON OFF switch 23 Install locking ring 24 and toggle boot 25 2 Connect four wires A to filter board 40 3 Install pressure control cover 39 with four screws 18 TI0058 Black Pressure Transducer ON OFF Switch Power Plug Wiring Diagram Ti0055a Fig 5 39 A 18 23 40 25 24 D E Green Yellow Motor Control Board Yellow From Motor Red White Black White Capacitor Potentiometer Red...

Page 18: ...in valve open if test transducer is used 1 Remove four screws 18 and cover 39 2 Turn ON OFF switch ON 3 Observe LED operation and reference following table 4 Relieve pressure and unplug sprayer before ser vicing control board page 9 LED BLINKS SPRAYER OPERATION INDICATES WHAT TO DO Once Sprayer runs Normal operation Do nothing Two times repeatedly Sprayer shuts down and LED continues to blink two ...

Page 19: ...rommet 28 3 Install filter housing 45 with two screws 22 4 Connect lead E to motor control board 35 5 Install filter board 40 and secure with screws 36 6 Install cover 39 with four screws 18 Pressure Adjust Potentiometer Removal Refer to Fig 6 1 Relieve pressure page 9 2 Remove four screws 18 and cover 39 3 Disconnect all leads from motor control board 35 4 Remove five screws 36 and boards 35 and ...

Page 20: ...Tip sprayer up Remove two screws 18b and remove shroud 74 4 Remove two front screws 22 5 Remove two back screws 22 6 Pull drive housing 10 off of motor 1 Assembly 1 Push drive housing 10 onto motor 1 2 Install two front screws 22 3 Install two back screws 22 4 Fig 6 Install shroud 74 with two screw 18a Tip sprayer up Install two screws 18b 5 Install pump 13 Displacement Pump Replacement page 17 6 ...

Page 21: ...ive screws 36 and both boards 6 Remove strain relief 37 page 12 13 14 7 Remove three screws 22 behind board and remove control housing 21 8 Remove four screws 22 and motor 1 from frame 63 Assembly 1 Install new motor 1 on frame 63 with four screws 22 2 Install control housing 21 with three screws 22 3 Install strain relief 37 page 12 13 14 4 Install board 35 and 40 with five screws 36 Connect all ...

Page 22: ...eration the threads of the drive housing will be damaged 1 Fig 10 Extend pump piston rod fully Apply grease to top of pump rod at A or inside connecting rod Fig 10 A ti6753a 2 Fig 8 Install pump pin 9a Verify retainer spring 9b is in groove of pump pin 3 Push pump up until pump threads engage 4 Screw in pump until threads are flush with drive housing opening Align pump outlet to back 5 Fig 9 Insta...

Page 23: ...23 309508 Notes ...

Page 24: ...ayer Model 233936 Series A 7 71 9 12 9b 74 9a 10a 59 73 112 13 10b 3 85 31 77 63 19 49 72 45 58 57 56 55 53 84 38 84 78 47 22 22 113 67 10 86 2 75 18 18 62 127 126 22 67 130 131 134 133 PARTS PAGE 32 114 69 87 65 82 81 80 66 70 1 88 14 16 15 132 ...

Page 25: ... drain 1 62 162453 NIPPLE 1 4 npt m x 1 4 npsm 2 63 241934 FRAME cart 1 65 195497 HOOK pail 1 66 15B999 CLIP retaining 2 67 107310 PLUG tubing 4 69 15A542 HANDLE cart 1 70 106062 WHEEL semi pneumatic 2 71 115480 KNOB t handle 2 72 105521 PLUG tubing 4 73 192644 FITTING nipple long 1 74 245439 SHROUD motor kit 1 includes 18 75 126 127 75 198933 VENT side 1 77 104811 CAP hub 2 78 198973 TUBE suction...

Page 26: ... and C series C shown 7 71 9 9b 1 74 59 73 112 3 63 72 58 57 56 55 53 84 22 113 67 10 2 75 18 18 127 126 22 67 130 131 134 133 PARTS PAGE 22 69 87 1 88 132 22 10b 49 81 10a 84 62 45 47 114 80 77 70 Ref 19 14 15 16 ti6027c 128 9a 13 19 12 85 78 82 86 136 137 77 135 ...

Page 27: ...07310 PLUG tubing 4 69 15A542 HANDLE cart 1 70 119451 WHEEL semi pneumatic 2 71 115480 KNOB t handle 2 72 105521 PLUG tubing 4 73 192644 FITTING nipple long 1 74 245439 SHROUD motor kit 1 includes 18 75 126 127 75 198933 VENT side 1 77 119452 CAP hub 2 78 TUBE suction 1 15E290 Series B 15F551 Series C 80 245527 FILTER fluid 1 81 15E288 FILTER insert 1 82 STRAINER kit 1 187651 Series B 276897 Serie...

Page 28: ...4952 Series A 7 10 128 71 9 12 9b 1 74 9a 10a 59 60 84 Ref 103 112 85 13 10b 3 92 31 77 63 Ref 19 33 19 49 82 78 65 68 45 58 57 56 55 53 84 38 Ref 84 Ref 78 47 69 22 22 113 67 70 86 2 75 18 18 62 127 126 22 67 130 131 132 134 133 32 42 TI0146B 135 PARTS PAGE 32 80 81 ...

Page 29: ...2644 NIPPLE long 1 62 162453 NIPPLE 1 4 npt m x 1 4 npsm 2 63 241858 FRAME stand mount 1 65 195177 HOLDER suction tube 1 67 107310 PLUG tubing 4 68 115506 SCREW slot hd hex washer hd 1 69 195425 HANDLE sprayer 1 70 100016 WASHER lock 1 71 108063 GRIP handle 1 74 245439 SHROUD motor 1 includes 18 126 127 75 198933 VENT side 1 77 115509 SCREW mach pnhd self drill 1 78 244354 HOSE suction flexible 1 ...

Page 30: ...59 60 84 Ref 103 113 85 13 10b 3 87 92 77 63 19 78 65 68 58 57 56 55 53 Ref 84 Ref 78 69 22 112 67 70 75 18 127 126 22 67 PARTS PAGE 32 135 82 45 84 47 86 62 Ref 19 ti6028c 114 49 81 80 1 22 2 18 130 131 132 134 133 42 32 33 ASM 1900 Sprayer Model 234952 Series B ...

Page 31: ... 15E539 NIPPLE 1 4 npsm x 1 8 npt 1 63 241858 FRAME stand mount 1 65 195177 HOLDER suction tube 1 67 107310 PLUG tubing 4 68 115506 SCREW slot hd hex washer hd 69 195425 HANDLE sprayer 1 70 100016 WASHER lock 1 71 108063 GRIP handle 1 74 245439 SHROUD motor 1 includes 18 126 127 75 198933 VENT side 1 77 115509 SCREW mach pnhd self drill 1 78 244354 HOSE suction flexible 1 80 245527 FILTER fluid 1 ...

Page 32: ...32 309508 Parts Drawing 52 29 21 18 25 24 51 22 23 33 27 32 39 36 35 26 Ref 1 Ref 45 34 37 30 ti6029a 22 28 40 5 4 ...

Page 33: ...ntrol 1 33 112382 NUT shaft sealing 1 34 115498 SCREW slot hd hex washer hd 1 35 241991 KIT BOARD control 1 36 115494 SCREW 6 32 X 1 2 TAPTITE 5 37 115756 BUSHING strain relief 1 39 198935 CONTROL cover 1 40 241994 BOARD filter 1 51 111457 O RING 1 52 243222 TRANSDUCER pressure control 1 includes 51 Pressure Transducer ON OFF Switch Power Plug Potentiometer from Motor Filter Board Red Yellow Brown...

Page 34: ... 85 63 19 72 58 57 56 55 53 84 78 22 67 10 2 75 18 18 127 126 22 67 130 131 134 133 PARTS PAGE 36 69 87 82 1 88 132 13 86 22 10b 49 81 10a 84 62 45 47 114 80 77 70 Ref 19 14 15 16 ti6027b 79 89 83 76 ASM L1900 Sprayer Model 249166 120V Model 249167 240V ...

Page 35: ...8 npt 1 63 287616 FRAME cart 1 67 277090 PLUG tubing 4 69 15A542 HANDLE cart 1 70 119730 WHEEL semi pneumatic 2 71 115480 KNOB t handle 2 72 105521 PLUG tubing 4 73 192644 FITTING nipple long 1 74 245439 SHROUD motor kit 1 includes 18 75 126 127 75 198933 VENT side 1 76 115099 WASHER garden hose 1 77 119452 CAP hub 2 78 15F551 TUBE suction 1 79 15B652 WASHER suction 1 80 245527 FILTER fluid 1 81 1...

Page 36: ...36 309508 Parts Drawing 52 29 21 18 25 24 51 22 23 33 27 32 39 36 35 26 Ref 1 Ref 45 34 37 30 ti6029a 22 28 40 5 4 ...

Page 37: ...NG strain relief 1 39 198935 CONTROL cover 1 40 241993 BOARD filter 1 51 111457 O RING 1 52 243222 TRANSDUCER pressure control 1 includes 51 ASM L1900 Sprayer Model 249167 240V REF NO PART NO DESCRIPTION QTY REF NO PART NO DESCRIPTION QTY 4 195551 RETAINER adapter powercord 1 5 242001 ADAPTER cordset Europe not shown 1 18 115492 SCREW slot hd hex washer hd 4 21 276539 HOUSING control 1 22 115495 S...

Page 38: ...ite Black Brown Blue Green Yellow Black White Fig 14 Wiring Diagram Heat from inductor coil of filter board may destroy wire insulation that comes in contact with it Exposed wires could cause shorts and component damage Bundle and tie all loose wires so none lay in contact with inductor coil of filter board Caution TI0158A Ref134 Ref133 ...

Page 39: ...000 7 8 653 680 180 0 38 1 25 0 019 1 4 in Basic Sprayer Wetted Parts zinc plated carbon steel polyurethane polyethylene stainless steel PTFE acetal chrome plating leath er V Max UHMWPE aluminum stainless steel tungsten carbide Dimensions Model Weight lb kg Height in cm Length in cm Width in cm Hi Boy 76 5 28 55 32 0 81 28 24 0 60 96 22 0 55 88 Stand 34 5 15 7 17 75 45 1 14 5 36 8 13 5 34 3 ...

Page 40: ...ER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE ASM s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property o...

Reviews: