TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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12-139. AB-652/GR ANTENNA REPLACEMENT This task covers: a. Removal b. Installation 1. Disconnect antenna cable (7) from adapter (8). 2. Loosen ground clamp (9) and remove from adapter (8). 3. Remove adapter (8) from lower insulator (10). 4. Remove antenna (1), rubber washer (13), ground ring (12), rubber washer (11), and lower insulator (10) from antenna mounting bracket (5). 5. Remove four locknuts (6), washers (3), capscrews (2), washers (3), and adapter (4) from antenna mounting bracket (5). Discard locknuts (6). 1. Install adapter (4) on antenna mounting bracket (5) with four washers (3), capscrews (2), washers (3), and locknuts (6). 2. Install lower insulator (10), rubber washer (11), ground ring (12), rubber washer (13), and antenna (1) on mounting bracket (5). 3. Install adapter (8) on lower insulator (10). 4. Install ground clamp (9) on adapter (8) and tighten. 5. Connect antenna cable (7) to adapter (8). b. Installation a. Removal 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 128) Manual References TM 9-2320-280-24P Equipment Condition Battery ground cable disconnected (para. 4-73). TM 9-2320-280-20-3 Change 2 12-213 FOLLOW-ON TASK: Connect battery ground cable (para. 4-73).