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Summary of Contents for MIKRON III A

Page 1: ...a 962 763 26 Luhacovice CZECH REPUBLIC AEROTECHNIK Tel 420 577 131 210 s r o Fax 420577131210 e mail info parmatechnik cz OPERATING AND MAINTENANCE MANUAL MIKRON III A II AIRCRAFT ENGINE AND ITS VERSI...

Page 2: ...4 POWER CHAllACTERISTICS 9 5 92 5 OPERATING INSTRUCTIONS 10 9 95 5 1 BEFORE ENGINE STARTING 10 9 95 5 2 ENGINE STARTING 10 9 95 5 3 WARM UP AND INCREASING POWER SETrING 11 9 95 5 4 TAKE OFF 11 9 95 5...

Page 3: ...9 BOWDEN CABLES AND ENGINE CONTROL LINKAGES 23 7 10 ALTERNATOR 23 8 REPAIR 24 8 1 OVERHAUL 24 8 2 MAJOR MAINTENANCE AND REPAIR 25 9 TABLE OF OILS 25 10 TIGHTENING TORQUE TA BLE 26 11 TROUBLESHOOTING...

Page 4: ...revision distributed by the Manufacturer The new and revised text will be marked by a vertical line in the right hand margin and a new date of issue will be given in the lower left hand comer ofthe n...

Page 5: ...ectric starter with a gear ring rear of the propeller mount and an alternator at the rear of the engine directly driven by the crankshaft 2 1 Type Designation MIKRON III A E 1 S 1 2 3 4 5 1 Type MIKRO...

Page 6: ...SPECIFICATION _ _ 2 2 Cylinder Marking Sense of rotation Top Bottom dead centre Top dead centre 1 2 3 4 Right hand side Left hand side Sense of rotation cmticlockwise when viewed in the fliqht directi...

Page 7: ...ikron III A M IIIAE1 M IIIAE2 M IIIA3 M IIIAS 70 0 70 0 65 9 64 0 6 3 3 8 1 9 Ignition Magnetos Scintilla Scintilla Vertex the right hand one Ignition Timing Firing Order Sparking Plugs Spark Gap Carb...

Page 8: ...peed 2 600 rpm Cruising Engine Speed 2 350 rpm Idling Speed 550 rpm 3 5 Fuels and Lubricants Fuel Aviation gasoline unleaded 72 6ct MM minimum Unleaded motor car gasoline 72 oct MMminimum Fuel Pressur...

Page 9: ...45 20 9 MIKRON III A PERFORMANCE 4 0 POWER CHARACTERISTICS 35 30 25 I CHARACTERISTICS 1 180 E z 110 L ibO I v Q 380 360 3 0 310 300 I I I I I 2ltOO 2600 2800 1800 2000 2200 n min P Issued 5 92...

Page 10: ...Magnetos II ON II Engine START II II Adjust engine speed to 1 000 rpm as soon as the engine starts Shut the choke and make sure that oil pressure is indicated within 10 seconds Starting of the M III...

Page 11: ...routtle gradually from idle to take off power setting within 2 seconds and back to idle at identical rate Ignition Maaneto Check Carry out ignition magnetos check by switching By aximum throttle the p...

Page 12: ...5 7 In flight Engine Shutdown Power Setting IDLE It Airspeed after cooling the engine down 100 kph Throttle Setting STOP Ignition Charging OFF It Battery Charging OFF 5 8 In flight Engine Starting Sta...

Page 13: ...speeds lower then 1 000 rpm but is drawing alternab r field current approximately 2A from the battery Switch battery charging OFF during extended gliding at engine idle or after in flight engine shut...

Page 14: ...the spars leakproofuess and locking of fuel and oil hose connections oil penetration from connections on engine engine to airframe attachment silentblock condition exhaust pipe and silencer for crack...

Page 15: ...on cold 3 engine after tightening ofheads ifit is perfonned X X X refill oil in covers 4 Check compression pressures see 7 2 chapter X 5 Disassemble and check spark plugs X X X 6 Perfonn recommended s...

Page 16: ...locking of all moving 14 elements of engine control joints part attachment and bushing status in fire wall Check visually electrical installation wire fastening 15 integrity Check starter pinion and...

Page 17: ...ng a torque spanner with an extension it is necessary to calculate torque to be set on the spanner or the specified Tt using the following formula b Tt a b a b where Ts is the torque value set on the...

Page 18: ...screw in clean spark plugs and connect ignition cables to check engine control for correct functioning and its stops for correct adjustment to start the engine and carry out an engine test run to che...

Page 19: ...place them blind all appertures the exhaust manifold vent s inlet etc apply oil or preservation grease to all bearings ball joints carburetter controls and unprotected metal parts it is recommenCled t...

Page 20: ...up oil to maximum if required Drain oil from the manual starter box removing the plug in its bottom part if applicable Fill the box with 200 ccm of new oil through an apperture in the upper part of th...

Page 21: ...the lock nuts The completing the adjustment by lo me ck ans nuts adjustment screws are tightened after 7 4 Adjustment of Ignition Timing The ignition spark advance magnetos used control on the engine...

Page 22: ...ly by means f compressed air Due to engine wear and changes of the operating condi tions idle speed of the engine is changing in course of its operation Then the idle speed requires adjustment Idle sp...

Page 23: ...o be correctly attachea and adjusted so that the choke and throttle controls may freely bear against the corresponding stops 7 10 Alternator Alternator removal procedure Remove brush holder and a shee...

Page 24: ...1 200 hours 8 2 Major Maintenance and Repair Major maintenance and repairs shall be carried out by the manufacturer of the engine or by a repair station holding the pertiment certificate The 600 hours...

Page 25: ...ing SF according to API Viscosity grades shall be in compliance with those shewn in the table Use of other types of oils shall be consulted with the engine manufacturer Keep oil change time limits acc...

Page 26: ...l 185 20 Nm The V 218 propeller nuts maximum untrue run at the propeller blade ends 1 5 mm 23 Nm maximum The Ho V62 R or the MTV 1 A propeller nuts 45 2 Nm Spark plugs M 12 x 1 25 thread 20 2 NIn Scre...

Page 27: ...er fuel level b Ignition fect c Improper fuel supply d Inlet manifold 1 e Poor compression Swith ignition magnetos ON Open fuel cock Clean fuel filter Fill up fuel Shut fuel cock Turn the engine sever...

Page 28: ...e 11 5 Defect Engine Overheat Cause of Defect Remedy a Excessive ignition Adjust ignition timing advance b Improper cooling Correct cooling air supply air supply c Low oil level Fill up oil d Internal...

Page 29: ...Ignition defect d Dirt in carburetter 11 9 Defect Low Oil Pressure Cause of Defect a Oil level too low b Oil strainer clogged c Oil pressure gauge d High oil temperaure e Unsuitable oil grade f Dirt i...

Page 30: ...defective Clean breaker contacts replace and adjust contact gap as required Check for correct wiring 11 11 Defect Electrical Accessories Cause of Defect Remedy a Alternator not charging Check brushes...

Page 31: ...MIKRONIII A ANNEX 1 31 12 0 ANNEXES 12 1 Carburetter Drawing FUEL LEVEL MAIN JET RICHNESS ADJUSTMENT THROTTLE S OP ADJ l TMENT W SCREW Issued 5 92...

Page 32: ...be adjusted by the magneto maintenance organization The Magneto Reassembly and Timing Adjustment Adjust the crankshaft to the upper compression stroke of the cylinder No 1 i e the valve shear on the...

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