Westerbeke 6.5KW Technical Manual page 62

4 cylinder marine gasoline generator sets twg series
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30. Install the camshaft drive sprocket washer and nut.
Tightening torque:
7.0 - 8.0 kg-m
(51 - 58 1b-ft)
31. Check
the
camshaft
end
play
(clear ance between sprocket and
thrust plate).
If the end play
exceeds
the
specified
limit,
replace the thrust plate.
Limit of camshaft end play:
0.20
mm
(0.008
in)
32. Timing chain tension adjuster.
Install
the
chain
adjuster
on
the timing chain cover according
to the following procedure.
a.
Push
the
sleeve
into
the
body completely and lock it
with the pin and hook.
b.
Install the chain adjuster.
NOTE:
After
the
adjuster
is
installed,
the pin is released
by
the
action
of
the
timing
chain which is actuated when the
engine
is cranked once or twice
and the sleeve projects automa-
tically,
thus
applying
tension
to the camshaft drive chain.
33. Distributor.
a.
Turn
the
crankshaft
until
the
piston
in
No.
1
cylinder
reaches
top
dead
center
of
the
compression
stroke.
Make sure that the
mark
on
the
crankshaft
matches the top mark (T) on
the timing chain cover.
b.
Apply engine oil sparingly
to the o-ring fitted on the
distr ibutor shaft.
Insure
the
rotor
is
pointing
toward
No. 1
spark
plug
high tension lead terminal.
56

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