TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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12-132. FRONT RADIO RACK REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models All models except M996, M996A1, M997, M997A1, M997A2, M1037, M1042, M1097, M1097A1, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Antiseize compound (Appendix C, Item 13) Four locknuts (Appendix G, Item 78) Two plain-assembled nuts (Appendix G, Item 201) Two locknuts (Appendix G, Item 128) Manual References TM 9-2320-280-24P Equipment Condition • Headphone mounting bracket removed (para. 12-142). • Dual TSEC/KY-57 mounting bracket and control switch bracket removed (para. 12-134) if installed. • Auxiliary shelf removed (para. 12-131) if installed. M966, M966A1, M1036, M1045, M1045A1, M1045A2, M1046, M1046A1, M1121 only: • Vehicle power conditioner (VPC) mounting bracket removed (para. 11-66). • Field glasses bracket removed (para. 11-69). 1. Remove two plain-assembled nuts (8), screws (5), two clamps (6), and cables (7) from radio rack (4). Discard plain-assembled nuts (8). 2. Remove two capscrews (1) and washers (2) from radio rack (4) and “A” beam (3). NOTE Perform steps 2.1 and 2.2 for vehicles with new configuration. 2.1. Remove two locknuts (15) and washers (14) from radio rack (4) and two radio rack upper brackets (13). Discard locknuts (15). 2.2. Remove two locknuts (18), washers (17), capscrews (16), and radio rack (4) from two radio rack mounting brackets (19) and remove radio rack (4). Discard locknuts (18). 3. Remove two locknuts (12), washers (11), capscrews (9), and radio rack (4) from radio rack mounting brackets (10). Discard locknuts (12). 1. Install radio rack (4) on radio rack mounting brackets (10) with two capscrews (9), washers (11), and locknuts (12). Tighten locknuts (12) to 8-10 lb-ft (11-14 N•m). NOTE Perform steps 1.1 and 1.2 for vehicles with new configuration. 1.1. Install radio rack (4) on two radio rack mounting brackets (19) with capscrews (16), washers (17), and locknuts (18). Tighten locknuts (18) to 8-10 lb-ft (11-14 N•m). 1.2. Install radio rack (4) on two radio rack upper brackets (13) with washers (14) and locknuts (15). Tighten locknuts (15) to 8-10 lb-ft (11-14 N•m). 2. Install radio rack (4) on “A” beam (3) with two washers (2) and capscrews (1). Tighten capscrews (1) to 6 lb-ft (8 N•m). 3. Install cables (7) and two clamps (6) on radio rack (4) with two screws (5) and plain-assembled nuts (8). b. Installation a. Removal TM 9-2320-280-20-3 12-204 Change 2