TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 246 of 953
TM 9-2320-280-20-2 4-20 Change 3 4-9. CIRCUIT BREAKER REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 136) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Battery ground cable disconnected (para. 4-73). NOTE • All circuit breakers are removed and installed basically the same. • This procedure covers the instrument gauge circuit breaker. • Prior to removal, tag leads for installation. 1. Loosen nut (1) and lower steering column (2). 2. Disconnect lead 29B (8) and 29D (9) from circuit breaker (6). 3. Remove two nuts (4), lockwashers (5), screws (7), and circuit breaker (6) from column bracket (3). Discard lockwasher (5). 1. Install circuit breaker (6) on column bracket (3) with two screws (7), lockwashers (5) and nuts (4). 2. Connect leads 29B (8) and 29D (9) to circuit breaker (6). 3. Raise steering column (2) and tighten nut (1) to 31 lb-ft (42 N•m). b. Installation a. Removal