Westerbeke 20B TWO Tehnical Manual page 34

1. If the valve face is found worn down, resurface it
with a valve refacer. If the margin of the resur-
faced valve exceeds the service limit, replace the
valve.
2.
If the valve stem end has been indented by wear,
flatten it with an oil stone.
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f - -
. / "
~Margin
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t-
45" \ / / •
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Inspecting Valve
Valve and Valve Spring Installation
1.
Install the valves and valve springs, referring to notes shown in the figure below.
2.
Mount the cylinder head assembly.
3.
Adjust the valve clearances.
CAUTION
Be careful not to damage the spring and stem seal by excessively compressing the spring
when installing the valve spring.
Press this surface
Driving in
stem seal
Installation of Valve Spring
Westerbeke Engines
Installing spring
32
With retainer
depressed to compress
spring. install
retainer lock.
Installing spring retainer