 printable version
Processing cylinder head / valve
Valve seats with traces of wear and erosion can be processed, maintaining the correction angles and seat width. Otherwise, the cylinder head needs to be replaced. Saddle valves are always processed before reaching the perfect type of work surface. The valve seat can be replaced with a conventional press equipment workshop. For processing required cutter for the valve seat. Since handling of this tool requires a special experience, this work should be carried out in the workshop.
Check the type of the working surface of the valve disc
| PERFORMANCE ORDER |  | 1. The contact surface facki valve (1) must be in the middle of the width of the valve disc and extend uniformly over the entire circumference. | | 2. If the thickness of the valve plate (2) below the wear (boundary value), replace the valve. |
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Dimensions of the cylinder head machining
If the deformation of the sealing surfaces exceed the limit value of 0.1 mm must be treated with the sealing surface of the cylinder head.
Height of new cylinder head: 137,9-138,1 mm.
A warning  Cylinder head and engine block can be processed in the amount of maximum 0,2 mm.
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