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 256 of 680
9-4
9-7. REAR BUMPER REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
1.
Remove four assembled locknuts (7), capscrews (13), and trailer receptacle cover (14) from trailer
receptacle (8). Discard assembled locknuts (7).
2.
Remove two assembled locknuts (9), capscrews (12), plate (11), and trailer receptacle (8) from rear
bumper (10). Discard assembled locknuts (9).
3.
Remove four locknuts (23), washers (20), capscrews (19), and washers (20) from rear bumper (10)
and two braces (22). Discard locknuts (23).
4.
Remove two cotter pins (1), nuts (2), and tiedown rings (16) from rear bumper (10) and two
mounting brackets (3). Discard cotter pins (1).
5.
Remove two cotter pins (28), nuts (27), spring washers (24), capscrews (26), and shackles (25) from
rear bumper (10). Discard cotter pins (28) and spring washers (24).
6.
Remove eight locknuts (21), washers (18), capscrews (17), and washers (18) from rear bumper (10)
and two mounting brackets (3). Discard locknuts (21).
7.
Remove four locknuts (4), washers (5), capscrews (15), washers (5), and rear bumper (10) from two
inner mounting brackets (6). Discard locknuts (4).
1.
Install rear bumper (10) on two inner mounting brackets (6) with four washers (5), capscrews (15),
washers (5), and locknuts (4). Tighten locknuts (4) to 90 lb-ft (122 N
•
m).
2.
Install rear bumper (10) on two mounting brackets (3) with eight washers (18), capscrews (17),
washers (18), and locknuts (21). Tighten locknuts (21) to 90 lb-ft (122 N
•
m).
3.
Install two shackles (25) on rear bumper (10) with two capscrews (26), spring washers (24), and
slotted nuts (27). Tighten slotted nuts (27) to 15-20 lb-ft (20-27 N
•
m).
4.
Back off two slotted nuts (27) to align with hole in capscrews (26) and install two cotter pins (28) in
slotted nuts (27).
b. Installation
a. Removal
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Sixteen locknuts (Appendix A, Item 85)
Six assembled locknuts (Appendix A, Item 134)
Two cotter pins (Appendix A, Item 22)
Two cotter pins (Appendix A, Item 24)
Two spring washers (Appendix A, Item 318.1)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-387-24P
Equipment Condition
• Spare tire carrier removed (para. 10-96).
• Towing pintle removed (para. 9-9.1).
Maintenance Level
Unit
TB 9-2320-335-13&P
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