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4.
Measure
the
extent
of
uneven
wear
on
the
journals
at
four
locations
(direction A and
B,
front
and
back).
Replace
if
limit is exceeded.
Uneven wear limit:
0.05 mm
(0.020 in)
Diameter of journal
(standard):
Front and rear:
41.949 - 41.965 mm
(1.65l~
- 1.6522 in)
Center:
41.919 - 41.935 mm (1.6504 - 1.651 in)
Checking Flywheel and Ring Gear
2
A
~B
1.
Check the flywheel for damage or wear on ring gear tooth surface
and replace, if necessary.
2.
Replace the ring gear by the following procedure:
a.
Heat the ring with a torch.
b.
Remove the ring gear by striking its circumference.
c.
Heat the new ring gear to 250 - 300·C (480 - 570·F) on
a
hot
plate or in an oven.
Before slipping it onto the flywheel,
make
sure
that
the
chamfered
side
of
the
ring
gear
is
directed toward the engine.
NOTE:
Excessive
heat
may
destroy
original
heat
treatment
and
cause premature failure of the ring gear.
Checking Chain, Chain Adjuster Blade, Damper and Sprocket
1.
Check
for
wear
or
damage
and
replace
any
faulty
parts.
46
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