TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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12-110. TROOP/CARGO WINTERIZATION FRONT AND REAR CARGO FLOOR COVER REPLACEMENT This task covers: a. Removal b. Installation Manual References TM 9-2320-280-24P Equipment Condition • Heater base assembly removed (para. 12-98). • Heater wiring harness removed (para. 12-101). • Circuit breaker removed (para. 12-103). • Skid strips removed (para. 12-111). • Side wheelhousing covers removed (para. 12-115). a. Removal 1. Remove screw (1) and clamp (2) from blackout/dome light wiring harness (3) and front cargo floor cover (4). 2. Remove two locknuts (11), washers (10), and screws (8) from door and frame assembly (9), rear cargo floor cover (7), cargo floor (15), and “D” beam (14). Discard locknuts (11). 3. Remove two locknuts (12), washers (13), and capscrews (16) from door and frame assembly (9), rear cargo floor cover (7), cargo floor (15), and “D” beam (14). Discard locknuts (12). 4. Remove two screws (5) and step latch strip (6) from rear cargo floor cover (7). 5. Remove nine screws (17), front cargo floor cover (4), and rear cargo floor cover (7) from cargo floor (15). 6. Inspect nine rivnuts (18) for damage. Replace if damaged. 7. Inspect six platenuts (19) for damage. Replace if damaged. TM 9-2320-280-20-3 12-162 Change 2 INITIAL SETUP: Applicable Models M998, M998A1, M1038, M1038A1 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Four locknuts (Appendix G, Item 120) Six platenuts (Appendix G, Item 225) Nine rivnuts (Appendix G, Item 275) b. Installation NOTE Ensure position markers on blackout/dome light wiring harness extend beyond the front and rear cargo floor covers. 1. Install front cargo floor cover (4) and rear cargo floor cover (7) on cargo floor (15) with nine screws (17). 2. Install step latch strip (6) on rear cargo floor cover (7) with two screws (5). 3. Install door and frame assembly (9) and rear cargo floor cover (7) on cargo floor (15) and “D” beam (14) with two capscrews (16), washers (13), and locknuts (12). 4. Secure door and frame assembly (9) and rear cargo floor cover (7) to cargo floor (15) and “D” beam (14) with two screws (8), washers (10), and locknuts (11). 5. Install blackout/dome light wiring harness (3) on front cargo floor (4) with clamp (2) and screw (1).