Vedeneyev M-14P, Maintenance Manual

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ENGINE M-14P - MAINTENANCE PRACTICED
1. LIST OF TASK CARDS
Task Card No.
Engine Starting 201
CAUTION: COLLECTION OF OIL AMD GASOLINE CAN BE ENCOUNTERED IN ENGINE LOWER
CYLINDERS, THEIR INTAKE PIPES AMD EXHAUST MANIFOLD.
TO PRECLUDE HYDRAULIC SHOCK, PRIOR TO STARTING WHILE IGNITION IS SWITCHED OFF,
TURN AIRSCREW MANUALLY IN ITS NORMAL DIRECTION FOR 3 TO 4 TURNS. IP TURNING THE
AIRSCREW REQUIRES GREAT FORCE OR IT CANNOT BE TURNED AT ALL, AS WELL AS AFTER A
PARKING PERIOD OF M3RE THAN 3 DAYS, AFTER DEPRESERVATION OF THE ENGINE, IN CASE OF
OVERPRIMING AND AFTER TWO UNSUCCESSFUL ATTEMPTS TO START THE ENGINE, CARRY OUT THE
FOLLOWING OEERATIONS:
(1) DRIVE OUT DRAIN PLUGS OF THE INTAKE PIPES OF CYLINDERS NOS 4, 5, 6 AND ONE SPARK
PLUG FROM EACH OF THESE CYLINDERS, REMOVE PLUGS FROM THE EXHAUST MANIFOLDS.
(2) TURN THE AIRSCREW MANUALLY FOR 3 TO 4 TURNS IN ITS NORMAL TURNING DIRECTION,
ACCUMULATED OIL OR MIXTURE OF OIL AND FUEL SHOULD DRAIN FULLY FROM THE INTAKE PIPES,
EXHAUST MANIFOLD AND CYLINDERS (AT A TEMPERATURE OF 5 °C AND BELOW, IT IS RECOMMENDED
TO PERFORM THIS OPERATION AFTER HEATING THE ENGINE AND INTAKE PIPES OF THE LOWER
CYLINDERS). WHEN TURNIHG THE AIRSCREW MANUALLY KNOCKS MAY BE HEARD IN THE ENGINE
WHICH ARE CAUSED BY THE COUNTERWEIGHT WITH THE LOCK STRIP ON THE WEB AND ARE
REGARDED NORMAL.
(3) REINSTALL AND TIGHTEN THE SPARK PLUGS.
(4) INSTALL AND LOCK THE DRAIN PLUGS.
Engine Wann-Up and Test Run 202
Engine Shutdown 203
Engine Maintenance at Low Ambient Temperatures
NOTE: Preparation for starting and starting of the engine are very important for its reliable operation.
At ambient temperatures of 5 °G and below, oil viscosity increases, which impedes starting of non-
warmed-up engine and may lead to rapid wear of parta and assemblies on turning the engine crankshaft.