3.1.14. The directing valves

In the course of repair work on a head of the block of cylinders with untight valves of processing or replacement of the valve and a saddle of the valve insufficiently. It is necessary to check wear of the directing valves.

It is especially important to check engines with the long term of operation.

Worn-out guides of valves do not provide a tsentrichnost of a saddle of the valve and conduct to the raised oil consumption. If wear is too big, replace valve guides (work for repair shop).
PERFORMANCE ORDER
1. Remove the valve.
2. Clean a guide of the valve (1/2) a cylindrical brush (diameter about 20 mm).
3. Insert the valve from the combustion chamber into a guide and check a gap side movement of the gate backwards-forward. At the same time the noticeable gap should not be felt. (1 – a guide for the final valve, 2 – a guide for the inlet valve, and – a spring lock ring.)
4. If necessary replace guides of valves (work for repair shop).