TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 700 of 953
6-31. SHOCK ABSORBER REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove four locknuts (6), washers (5), capscrews (4), and washers (5) from bumper bracket (3), plate (2), and frame (1). Discard locknuts (6). 2. Remove two locknuts (12), washers (10), capscrews (9), washers (10), and tiedown bracket (8) from body mount bracket (11) and rear bumper (7). Discard locknuts (12). 3. Remove two locknuts (12), washers (10), capscrews (9), and washers (10) from body mount bracket (11) and rear bumper (7). Discard locknuts (12). NOTE The procedures for removing and installing all shock absorbers are the same except rear lower shock pins must be installed with head of pin facing rearward. This procedure covers the left front shock absorber. INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Drive socket (Appendix B, Item 168) Materials/Parts Two locknuts (Appendix G, Item 106) Eight locknuts (Appendix G, Item 81) Two lockwashers (Appendix G, Item 147) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Hood raised and secured (TM 9-2320-280-10) (front shock absorbers only). M1037 and M1042 only: • Shelter removed (para. 11-120) (rear shock absorbers only). • Lower control arm supported (para. 6-29) (rear shock absorbers only). TM 9-2320-280-20-2 6-68 Change 3 NOTE For rear shock absorber replacement on M1037 and M1042 models, it may be necessary to spread frame from body by positioning prybar between hinge mount bracket and rear bumper to gain access to shock absorber retaining pin nut. Perform steps 1 through 3 only if required.