TB-9-2320-335-13-P
TRUCK, UTILITY: EXPANDED CAPACITY, IAP/ARMOR READY
TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE AND REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INSTRUCTIONS
MAY 2008
TB-9-2320-335-13-P - Page 362 of 680
TB 9-2320-335-13&P
21-4
21-3.2. FRONT DIFFERENTIAL OUTPUT SHAFT SEAL REPLACEMENT
(SERIAL NUMBERS 300000 AND ABOVE)
This task covers:
a. Removal
b.
Installation
WARNING
Differential is extremely heavy and must be supported during
removal and installation. Failure to do so may result in injury to
personnel or damage to equipment.
NOTE
Replacement procedures for right and left front differential output
shaft seals are basically the same. This procedure covers the left
side output shaft seal.
1.
Remove locknut (12), washer (11), capscrew (9), and washer (8) from suspension crossmember (10).
Discard locknut (12).
2.
Remove locknut (6), O-ring (5), and output flange (4) from output shaft (14). Discard locknut (6) and
O-ring (5).
3.
Remove four capscrews (7) and brake adapter (3) from differential (13).
4.
Remove output shaft seal (1) from differential (13).
1.
Using axle shaft and seal installer (2), install output shaft seal (1) on differential (13).
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 comply may allow capscrews to loosen and cause damage to
differential.
2.
Apply sealing compound to tapped holes of differential (13). Install mounting bracket (3) on
differential (13) with four capscrews (7). Tighten capscrews to 125-150 lb-ft (170-203 N
•
m).
3.
Install output flange (4) on output shaft (14) with O-ring (5) and locknut (6). Tighten locknut (6) to
170 lb-ft (231 N
•
m).
4.
Secure differential (13) to suspension crossmember (10) with washer (8), capscrew (9), washer (11),
and locknut (12). Tighten locknut (12) to 90 lb-ft (122 N
•
m).
b. Installation
a. Removal
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Special Tools
Axle shaft and seal installer
(Appendix B, Item 99)
Materials/Parts
O-ring (Appendix A, Item 215)
Locknut (Appendix A, Item 108)
Locknut (Appendix A, Item 114.4)
Sealing compound (Appendix C, Item 63)
Manual References
TM 9-2320-387-24P
Equipment Condition
Service brake rotors removed (para. 7-12.1).
General Safety Instructions
Differential is extremely heavy and must be
supported during removal and installation.
Maintenance Level
Direct support
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