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Checking Main Bearing
1.
Check the main bearing carefully
and
replace
if
it
is
worn,
scored or flaked.
2.
Check the main bearing clearance
with
a
"p1astigauge".
If
it
exceeds
the limit,
correct the
main
journals
by
having
the
crankshaft ground for undrsized
main bearings.
NOTE:
Tighten the main bearing
cap
bolts
to
the
specified
torque.
------
Cap tightening torque:
6.6 - 7.1 kg-m (48 - 51 1b-ft)
Bearing clearance:
Standard:
0.023 - 0.042
mm
(0.0009 - 0.0017 in)
Limit:
0.08
mm
(0.0031 in)
Checking Camshaft
1.
Check the camshaft for
cracks,
wear
or
damage
and
replace
if
necessary.
2.
Measure
the
run-out.
If
it
exceeds the 1imi t,
rep],.ace the
camshaft.
Limit of runout:
0.03
mm
(0.0012 in)
3.
Measure the cam lobe height and
replace if the wear exceeds the
limit.
Cam Lobe Height:
6.5 & 8 KW
11 KW
45
Standard
44.119
mm
(1.7401 in)
44.114
mm
(1.7337 in)
Limit
43.919
nun
(1.7291 in)
43.914
nun
(1.7258 in)
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