
Tighten
lhe
head bolls
10
lhe
sequence shown in Ihe illustration below. Make sure the
engine
is
cold when this
is
done. Loosen one head bold one-hall
tum
and then tighten
It
between
56
to
59
Ib-lt (7.8
to
8.2 kg-m). Then proceed
10
the next head bol! in
lhe
sequence shown.
Valve Clearance
Adjustment
NOTE: Retorque the cylinder head bolls before edjusting the engine's valves.
Position Ihe
No.1
piston at Top Dead Cenler
(TOC)
of its compression stroke and adjust the # 1 and # 3
exhaust valves (see the illustration below). At this same time, adjust the # 1 and # 2 intake valves. While
facing the
front
of
the engine, rotate the crankshaft 360° clockwise and adjust the remaining valves.
Adjust
all valves
10
0.0098 inches (0.25 mm) with the engine cold.
Weslerbeke Generators
80
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