1. Check of an axial side play is made as follows:
a) Install a camshaft in the engine and fix it covers of bearings;
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b) Fix the dial measuring instrument on a head of cylinders, having rested it a plunger against a shaft end face (see an accompanying illustration); |
c) Having used a big screw-driver as the lever, take away a shaft against the stop back and nullify the measuring instrument, then push a shaft forward and consider instrument reading;
d) Compare result of measurement to requirements of Specifications;
e) The excessive size of an axial side play speaks about wear of a camshaft, or head. Replace defective components.
2. For check of a lateral beating:
a) Lay the camshaft removed from the engine in two V-shaped prisms, then press a plunger of the dial measuring instrument to a neck of the central bearing and measure beating size at rotation of a shaft;
b) Compare results of measurement to requirements of | |