TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 581 of 1258
NOT E
New configuration side mounting bracket allows for output shaft
seal replacement without bracket removal. If old configuration
mounts were removed, installation of new configuration side
mounting bracket is recommended.
1.
Install side mounting bracket (5) on support bracket (1) with two washers (3), capscrews (4),
washers (3), and locknuts (2).
2.
Install differential support bracket (1) and differential side mounting bracket (5) on suspension
crossmember (12) with two washers (7), capscrews (8), washers (7), and locknuts (9).
3.
Align holes inside mounting bracket (5) with threaded holes in differential (6).
4.
Remove two locknuts (9), washers (7), capscrews (8), washers (7), side mounting bracket (5) and
support bracket (1) from crossmembers (12).
5.
Tighten capscrews (4) to 90 lb-ft (122 N
•
m).
6.
Install support bracket (1) and side mounting bracket (5) on crossmembers (12) with two washers (7),
capscrews (8), washers (7), and locknuts (9).
CAUTION
Apply a liberal amount of thread sealing compound to the tapped holes
of differential. To allow adequate coating of threads, install capscrews
shortly after applying thread sealing compound. Failure to do this
could allow capscrews to loosen and cause damage to differential.
7.
Apply sealing compound to tapped holes of differential (6). Install two short capscrews (10) and
washers (11) securing side mounting bracket (5) to differential (6). Tighten capscrews (10) to
110-140 lb-ft (149-190 N
•
m) and capscrews (8) to 90 lb-ft (122 N
•
m).
8.
Apply sealing compound to tapped holes of differential (6) and install brake adapter (17) on
differential (6) with two capscrews (18). Tighten capscrews (18) to 110-140 lb-ft (149-190 N
•
m).
9.
Install output flange (14), two O-ring seals (15), and locknut (16) on output shaft (13). Tighten
locknut (16) to 170 lb-ft (231 N
•
m).
b. Installation
1 2 - 1 6 .
DIFFERENTIAL SUPPORT BRACKET AND SIDE MOUNTING BRACKET
REPLACEMENT (Cont’d)
TM 9-2320-280-34
1 2 - 2 4
Change 1
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