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REAR FINAL DRIVE DISASSEMBL
YI
INSPECTION
BACKLASH INSPECTION
Remove
the
rear brake disc
(page
18-50).
Remove the oil filler
cap.
Install the special toot into the pinion joint, and set the
final drive assembly and
tool
in a
vise.
TOOL:
Pinion holder (1)
07SMB-HM70200
Install the drive shaft 121 into the final drive assembly
and hold it.
Set a horizontal type dial indicator on the ring gear [11
through the filler hole.
Turn the ring gear back and forth with the drive shaft to
read backlash
.
STANDARD
:
0.05 - 0.25
mrn
(0.002
-
0.010
in)
SERVICE LIM IT
:
0.4
mm
(0.02
in)
Remove the dial
indicator.
Turn the ring gear
120·
and
measure backlash.
Repeat this procedure once
more.
Compare the difference of the
three
measurements.
SERVICE
LIMIT:
0.2
rnm
(0.01 In)
If the difference
in
measurements exceeds
the
service
limit,
it indicates that the bearing is
not
installed
squarely,
or the case is
deformed.
Inspect the bearings and
case.
If
the
backlash is excessive, replace the ring gear
right
shim (1] with a
thinner
one.
If
the backlash is too small. replace
the ring
gear right
shim with a thicker one.
Backlash is changed by about
0.06
mm
(0,002
in) when
thickness
of
the shim is changed by
0.
12
mm
(0.005
in).
NOTE
•
Nine dlHerent shims (from
A
to J) are avaitable in
thickness increments of
0.06
mm
(0.002
in)
,
Ring gear
shims:
A: 1.82 mm (0.072 In)
B: 1.88 mm
(0.074
in)
C
:
1.94 mm
(0.076 In)
D: 2.00 mm
(0.079 In)
E
:
2.06 mm
(0.081
in)
F:
2.12
mm
(0.083
in)
G:
2.18
mm (0.086
in)
H:
2.24
mm
(0.088
in)
t:
2.30
mm
(0.091
in)
Change
the left shim (21 thickness in an opposite
amount
of what the
right
shim was changed; if the right
shim was replaced with a
0
,12
mm
(0.005
in) thicker
one,
replace the left shim with a
0
.12
mm
(0.005
in)
thinner
one
DRIVE
SHAFT/FINAL GEAR
(21
111
18-49
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Troubleshooting
