Vedeneyev M-14P, Maintenance Manual

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The oil seal bushing is free fit in the bushing of the crankcase front end. To align oil supply holes, the
bushing is fixed through its round hole with set screw (27) driven into the threaded hole of the gearbox
housing and safetied with a plate lock.
A thin layer of babbit is applied to the inner working surface of the bushing.
Thrust ring (9) is made of steel and has four oil slots uniformly arranged on the front side opposite to
the chamfer.
Radial ball bearing (8) is the front support of the airscrew shaft and takes up the airscrew loads.