TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 705 of 1170
12-68. SWINGFIRE HEATER HARNESS ASSEMBLY REPLACEMENT This task covers: a. Removal b. Installation Materials/Parts Four tiedown straps (Appendix G, Item 312) Manual References TM 9-2320-280-24P Equipment Condition • Battery ground cable disconnected (para. 4-73). • Air horn removed (para. 3-14). a. Removal TM 9-2320-280-20-3 Change 2 12-99 CAUTION Use care when removing harness. Failure to do so will cause damage to harness. NOTE Prior to removal, tag leads for installation. 1. Remove two screws (9) and disconnect lead 81G (8) and GND (4) from relay (1). 2. Disconnect lead 81A (6) from lead 81B (7). 3. Pull harness assembly (5) out through cowl (2). 4. Remove grommet (3) from cowl (2). 5. Remove three tiedown straps (10) from harness assembly (5) and “A” beam (11). Discard tiedown straps (10). 6. Remove tiedown strap (14) from harness assembly (5) and air horn bracket (13). Discard tiedown strap (14). 7. Disconnect lead 81G (8) and GND (4) from heater pump leads (12). INITIAL SETUP: Applicable Models M966, M966A1, M996, M996A1, M997, M997A1, M997A2, M998, M998A1, M1025, M1025A1, M1025A2, M1037, M1038, M1038A1 Tools General mechanic’s tool kit: automotive (Appendix B,Item 1) 5 10 14 5 8 12 4 13 10 11 ~ 1 9 7 6 5 4 3 8 2