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Page Title:
FRONT DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT/REPAIR/ADJUSTMENT - continued |
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 TM 10-3930-673-34
8-5. FRONT DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT/REPAIR/
ADJUSTMENT (CONT)
(3)
Adjust preload of bearings (33, 34, 36,
3
and 37) on bevel pinion (12).
32
(a)
Temporarily install bevel pinion (12)
28
and bearing cage (28) assembly in
differential carrier (3). Do not
install shims (32) under bearing
30
cage (28).
(b)
Install bearing cage thrust
washer (30), bearing cage assembly
12
(28), and eight screws (31). Hand
tighten screws.
29
(c)
Install flange (4), nut (6), and
5
35
washer (5) on bevel pinion (12).
6
Flange must be against outer
4
bearing.
TR00260
(d)
Fasten fabricated yoke nut tool to
companion flange (4). Use fabricated
yoke nut tool to hold bevel pinion (12) in position when nut (6) is tightened.
(e)
Tighten nut (6) on bevel pinion (12) to 300 - 400 lb-ft (406.74 - 542.33 Nm).
(f)
Remove fabricated yoke nut tool from companion flange (4).
(g)
Attach a torque wrench on bevel pinion nut (6). Rotate bevel pinion (12) and read value
indicated on torque wrench. New pinion bearings should be preloaded between 5 - 45 lb-in.
(0.56 - 5.08 Nm) of torque. Reused pinion bearings should be preloaded between 10 - 30 lb-in.
(1.13 - 3.39 Nm).
NOTE
Do not read starting torque. Read only torque value after bevel pinion starts to rotate.
Starting torque will give a false reading.
(h)
Increase bearing preload by removing bevel pinion (12) and bearing cage (28) assembly from
differential carrier (3) and installing a thinner bearing spacer (35). Repeat Steps (a)
through (g).
(i)
Decrease bearing preload by removing bevel pinion (12) and bearing cage (28) assembly from
differential carrier (3) and installing a thicker bearing spacer (35). Repeat Steps (a)
through (g).
(j)
Remove nut (6), washer (5), and companion flange (4) from bevel pinion (12).
(k)
Remove eight screws (31) and bearing cage assembly (28).
(l)
Remove bevel pinion (12) and bearing cage assembly (28), as an assembly, from differential
carrier (3).
8-18
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