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). |
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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). | |
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