Vedeneyev M-14P, Maintenance Manual

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ENGINE M-14P - DESCRIPTION AND OPERATION
1. DESCRIPTION
1.1. GENERAL
The M-14P airplane engine (Ref., Figs 1 and 2) is a piston, fourstroke, air-cooled gasoline, nine-cylinder
carburetor, single-row radial engine.
The M-14P engine is not of a high-altitude type, but to improve performance it is provided with one-speed
centrifugal blower.
The engine is cooled by air fed through the intake in the front part of the airplane cowling. Uniform cooling
of the cylinders is ensured by deflectors located on each cylinder. Main assemblies and parts of the engine are
lubricated by oil under pressure.
The engine is started by compressed air. Air is distributed among the cylinders according to the required
sequence by the compressed air distributor.
Puel-air mixture is ignited in the cylinders by high-tension electric spark generated in two magnetos
operating in parallel. Two spark plugs and a starting valve are installed in each cylinder.
The engine is secured to the engine frame ring by eight bolts extending through the holes of the mixture
collector bosses.
The M-14P engine carries the following accessories:
The V530TA-D35 variable-pitch airscrew
- on the airscrew shaft
The R-2, series 04, speed governor - on the gearbox housing
The AK-14P carburetor - on the mixture collector
Two M-9P magnetos, generator GSR-3000M,
series 4 (Ref. 024.30.01), compressed air
distributor, compressor AK-50A, series 3,
DTE-1 tachometer generator, MM-14A oil
pump, 702ML fuel pump
- on the crankcase rear cover
The engine gearbox decreases the crankshaft speed relative to the speed of rotation of the airscrew shaft.