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CYLINDER HEAD/VALVES
INSPECTION
Inspect the rocker
arms
for
woar
or
damage
to
the
camshaft
contact surface
and
for a
plugged
oil
hole.
NOTE
•
If
the
camshaft
contact surface
of
the rocker
arm
is
dam-
aged
or
abnormally worn, check
the
cam
lobes
for
dam-
age
Measure
the
I.D.
of
each
rocker
arm.
SERVICE
UMIT:
10.10
mm
10.398
In)
Inspect the rocker
arm
shafts
for
wear
or
damage.
Measure
the 0.0.
of
each
rocker
arm
shaft.
SERVICE UMIT:
9.91
mm
10.390
In)
Calculate the rockor arm-to-ahaft clearance.
SERVICE
UMfT:
0.05
mm
10.002
in)
Insect
the
camshaft bushings
for
wear
or
damage.
Measure
the
I.D.
of
each
bushing.
SERVICE
UMIT:
20.20
mm
10.796
in)
Support both ends
of the
camshaft
with V-blocks
and mea-
sure the
camshaft runout with a
dial
gauge.
SERVICE UMIT:
0.05
mm
10.002
in)
7-6
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