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TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download

Page 906 of 953

9-10. REAR BUMPER REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1037, M1042, M1097, M1097A1, M1097A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Sixteen locknuts (Appendix G, Item 81) Six assembled locknuts (Appendix G, Item 130) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-24P Equipment Condition Towing pintle removed (para. 9-12). TM 9-2320-280-20-2 9-12 Change 3 1. Remove four assembled locknuts (9), capscrew (15), and trailer receptacle cover (16) from trailer receptacle (10). Discard assembled locknuts (9). 2. Remove two assembled locknuts (11), capscrews (14), plate (13), and trailer receptacle (10) from rear bumper (12) and remove plate (13) from rear bumper (12). Discard assembled locknuts (11). 3. Remove four locknuts (1), washers (2), capscrews (20), and washers (2) from rear bumper (12) and two braces (21). Discard locknuts (1). NOTE Perform steps 4 and 5 for M997A2, M1025A2, M1035A2, M1043A2, M1045A2, and M1097A2 vehicles only. 4. Remove two cotter pins (22), nuts (23), and two tiedown rings (24) from rear bumper (12) and two mounting brackets (5). Discard cotter pins (22). 5. Remove eight locknuts (27), washers (26), capscrews (25), and washers (26) from rear bumper (12) and two mounting brackets (5). Discard locknuts (27). 6. Remove four locknuts (3), washers (4), capscrews (18), washers (4), and two tiedown brackets (19) from rear bumper (12) and two mounting brackets (5). Discard locknuts (3). 7. Remove four locknuts (3), washers (4), capscrews (18), and washers (4) from rear bumper (12) and mounting brackets (5). Discard locknuts (3). 8. Remove four locknuts (6), washers (7), capscrews (17), washers (7), and rear bumper (12) from two inner mounting brackets (8). Discard locknuts (6). NOTE Perform step 9 only if bumper is being replaced. 9. Remove lifting shackles (para. 9-13). NOTE Perform step 1 only if bumper was replaced. 1. Install lifting shackles (para. 9-13). b. Installation a. Removal