Eiri KY PIK-20 E, Service Manual

Page 1: ...PIK 20 E Service manual SERVICE MANUAL for SELF LAUNCHING SAILPLANE PIK 20 E V EIRI KY J Kis llinkatu 8 SF 15170 Lahti 17...

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Page 3: ...ELF LAUNCHING SAILPLANE PIK 20 E SERIAL NO REGISTRATION This sailplane must be serviced in compliance with this Manual Approved by National Board of Aviation Finland V eiri ky Kis llinkatu 8 SF 15170...

Page 4: ...v No Revised Pages Description of Revision Date Signed Edition 2 All pages New Edition Replaces previous edition dated Nov 1978 Rev 1 II 8 11 9 New fuel tank S N s 20215 20221 and up Jan 80 EIRI Rev 2...

Page 5: ...plant maintenance 11 13 4 3 Sailplane maintenance h 26 4 4 After gear up landing and after rough landing II 30 4 5 Balancing of control surfaces H 30 5 WEIGHT AND BALANCE II 32 5 1 General H 32 5 2 We...

Page 6: ...PIK 20 E Service manual 7 EQUIPMENT 11 39 Veiri ky y Kis llinkatu 8 SM5170 Lahti 17 page iv...

Page 7: ...ersons can easily assemble and disassemble the PIK 20 E Before assembly prepare the wing assembly tool clean clot hes grease of mineral or synthetic basis Clean and grease all fitting sur faces bolts...

Page 8: ...PIK 20 E Service manual Fig 2 EIRI KY J Kis llinkatu 8 SF 15170 Lahti 17 page II 2...

Page 9: ...y into their seats Draw the wings together with the wing assembly tool and install the main wing pin and secure it using a Fokker pin It is necessary to lift the wing tips when using the assembly tool...

Page 10: ...ocking pin 5 with a tool Fokker pin of the wing bolt and push the leading edge into place Remove the tool and push the locking pin in Ensure that the front fitting is engaged and secure the pin using...

Page 11: ...gnition system Bosch Magneto Generator SCP2 12 V 140 Watt alternator Contact breaker gap 0 35 0 45 mm Ignition timing 2 07 mm 0 25 19 BTC Spark plugs NGK B8ES Champion N3 Spark plug gap 0 4 0 6 mm Car...

Page 12: ...ing and use during soaring The engine has an alternator in connection with the magneto The current is rectified and regulated by a Tympanium type rectifier attached to the propeller axle The electric...

Page 13: ...PIK 20 E Service manual FIG 2 1 ELECTRICAL SYSTEM V EIRI KY Kis llinkatu 8 SF 15170 Lahti 17 page II 7 Revision 2 21 8 79...

Page 14: ...on the tank The fuel quantity can be checked from the electrical quantity gauge The fuel tank vent in the cap should be inspected daily prior to first flight that it is free from obstruction To avoid...

Page 15: ...rs Fuel return line Engine fuel pump Fuel pump Fuel filter Fuel cock sps Filler opening with vent cap Fuel quantity gauge Fuel feed line Fuel tank Electric fuel pump f Finger strainer EIRI KY y Kis ll...

Page 16: ...tance from the funnel to the wing Higher pressure than this 0 1 BAR 0 1 kp cm2 can cause serious damages to the wing No pressurized filling system is allowed 3 When filled check the equal amounts wing...

Page 17: ...has not been noticed during the monthly check or some thing has appered during the previous flights Especially after rigging it is important to check that all quick release locks are properly connect...

Page 18: ...ne is better if wax is removed The wax can be removed with waxremover car motor de tergent or by sanding paper number 600 until the glossy finish of the wings is removed Surface tension lowering agent...

Page 19: ...d be protected with grease 4 2 Powerplant maintenance 4 2 1 General The inspection and maintenance of the powerplant and powerplant sys tem depend on the engine hours Safe operation can be achieved on...

Page 20: ...proper radius security corrosion deterioration obstruction and fo reign matter c METAL PARTS for security of attachment cracks metal distortion broken spotwelds corrosion condition of paint and any o...

Page 21: ...Inspect propeller drive gear and teeth 4 Check play in drive gear bearings 5 Grease drive gear bearings every 100 hours 6 Inspect toothed belt and check tension 7 Inspect belt driving gear and teeth...

Page 22: ...ctrical wiring 13 Clean magneto housing and contact breakers 14 Inspect contact breakers 15 Check ignition timing 16 Inspect magneto wheel and gear 17 Inspect muffler attachment shock mounts and sprin...

Page 23: ...linkatu 8 SF 15170 Lahti 17 FUEL SYSTEM Inspect hoses attachments hose clips and in lets Inspect fuel pump attachments and electric wires Change fuel filter Inspect fuel cock and drain valve Inspect f...

Page 24: ...ighten the bearings Note 4 Lubricating the propeller drive gear bearings Remove propeller and the toothed drive belt see Note 5 Open the bearing nut by turning clockwise Use an extractor to remove the...

Page 25: ...r Check that the position markings are aligned on the gears to ensure the right installation of the new belt Remove the belt by pulling the belt and simultaneously turning the engine Ins tall a new be...

Page 26: ...When the damping box is in order there should be no spark Change cables back to right polarity Note 10 Ignition Checking the ignition timing The timing mark is on the starter ring gear The correspond...

Page 27: ...lico ne rubber shock mounts When mounting the muffler it should be checked that the attachment points are laying evenly on the supports when the muffler pipe is in the exhaust pipe Use silicone rubber...

Page 28: ...erial can be used Note 15 Lubricating the retracting mechanism In many hinges there are holes for a grease press Grease con taining molybdenium sulphite is recommended Note 16 Adjusting the idling Syn...

Page 29: ...on Disconnect the electric cable from the starter Disconnect the thermal lead by opening the two screws on the wire Remove the propeller Remove the bolt holding the lower engine shock mount Unscrew th...

Page 30: ...looding continuously turn the electric fuel pump on and look into the carburettor venturi If the gasoline is flooding clean the membrane needle valve 2 The engine is too hot The fuel nozzles are dirty...

Page 31: ...ow the instrument panel it is also equipped with wires for a jumper cable connection An auxiliary battery can then be connected to the wires and the engine started as described above NOTE The engine m...

Page 32: ...ns of the sailplane Inspect carefully the bondings for cracks and cracks in the paint The cracks in the paint may be marks of defects in the structure Clean and lubricate bearings and hinges marked wi...

Page 33: ...d position Check that there is at least 10 mm space between the wheel and wheel doors when the gear is locked in the retracted position If the glider is provided with a spring loaded landing gear the...

Page 34: ...PIK 20 E Service manual A FIG 4 1 Water drain v and pressure relief holes Ip EIRI KY Kis llinkatu 8 SF 15170 Lahti 17 page II 28...

Page 35: ...nopy hinges 9 Airbrakes levers and locking system 10 Flap hinges 11 Wing tip wheel 12 Wheel and wheel brake 13 Landing gear 14 Tail wheel 15 Rudder hinges 16 Elevator quick release lock FIG 4 2 Lubric...

Page 36: ...on to flap 2 5 mm moving together both flaps up and down Repaint the damaged parts to protect the glassfibre construction Inspect the water drain and pressure relief holes see fig 4 1 Sign the annual...

Page 37: ...3 7 4 9 Rudder 52 68 4 0 5 3 Elevator 41 51 1 8 2 3 FIG 4 3 Balancing of the control surface 5 jXjC of G m total mass of the control surface kg F the scale reading kg a the distance between the scale...

Page 38: ...e 5 2 1 Preparation Ensure that all items marked in the sailplane equipment list are instal led in their proper location in the sailplane Drain the water ballast system and fuel tank Retract the engin...

Page 39: ...0 7 C of G position limits are minimum 2 267 m also with engine exten ded and maximum 2 443 m engine retracted If the Actual pilot weight range criteria is used by loading calcula te the minimum and...

Page 40: ...2 665 315 2 622 2 661 320 2 616 2 658 325 2 611 2 655 330 2 606 2 652 335 2 601 2 648 340 2 596 2 645 C of G limits table kg 340 330 320 310 300 290 Figure 5 2 C of G range with different empty weight...

Page 41: ...nding to the backmost allowed C of G limit the minimum pilot weight can be calculated as follows mpmin 1 017 Mo 2 485 mo mp pilot weight including parachute kg mo sailplane actual empty weight kg Mo s...

Page 42: ...fuel 5 5 Sample Problem Actual empty weight and moment of the sailplane Sampie sailplane Your sailplane Weight kg Arm m Moment kgm Weight kg Arm m Moment kgm 1 Empty Weight x last weighing 2 Equipmen...

Page 43: ...ximum weight of nonlifting parts gives rripmax 328 296 3 2 x 61 x 25 128 7 kg 25 kg corresponds to the maximum weight of fuel 2 3 Maximum allowed pilot parachute weight rripmax 110 kg see Flight Manua...

Page 44: ...cks Lock the air brake and flap rods using cords or rubber bands Take care of that no shifting jamming or deformation can arise and avoid entry of dirt and water into the sailplane On an open trailer...

Page 45: ...document and after changes in equipment in the latest Weight and Balance Record in Flight Manual 6 4 Item Part Weight kg Arm m Moment kgm I Standard Equipment Airspeed indicator Model Altimeter Model...

Page 46: ...for checking the propeller position Hour meter Model II Optional Equipment Tow coupling Model Variometer Model Compensating bottle Turn and slip indicator Model Variometer Model Compensating bottle V...

Page 47: ...nt kgm Artifical horizon Model Aux unit for Art h Accelerometer Model Radio Model Battery Model Oxygen Equipment Model Oxygen bottle Model Water ballast tanks Model Water ballast system Model Clock Mo...

Page 48: ...PIK 20 E Service manual A Item Part Weight kg Arm m Moment kgm EIRI KY Kis llinkatu 8 SF 15170 Lahti 17 y page 11 42...

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