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Valve Spring
Check for cracks and damage.
Measure the free length and load of the spring; if defective, replace.
Check the squareness of the spring;
if excessively tilted,
replace.
Rocker Arms and Rocker Shaft
I f
the rocker arm par t
in con-
tact
with
the
valve
is
exces-
sively worn or damaged, replace.
Also check the adjusting screw,
and
if
the
surface
in
contact
with the push rod is excessively
worn, replace.
Check the I.D. of the rocker arm
bushing
and
the
0.0.
of
the
rocker
shaft
(rocker
arm
installation area),
and
if
the
clearance is excessive,
replace
the rocker arm assembly.
Push Rod
svr/i1Ce
gage
plate " \
Check the push rod for bending and wear at both ends, and if defec-
tive, replace.
Assembly and Adjustment
CAUTION:
1.
Clean thoroughly each assembly part prior to assembly.
2.
When
assembling,
apply
oil
to
sliding
and
rotating
parts.
41
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