TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 532 of 953
4-122. COMPRESSOR/HEATER FUEL PUMP WIRING HARNESS REPLACEMENT (M997, M997A1, M997A2) This task covers: a. Removal b. Installation a. Removal 1. Disconnect harness leads (1) from control box leads 436D (3) and 723B (2). 2. Remove capscrew (4), lockwasher (5), washer (6), and clamp (7) from AC line clamp (8) and body (9). Discard lockwasher (5). 3. Remove six screws (10), clamps (11), and harness (12) from body (9) and “B’’ beam (13). 4. Deleted. 5. Remove grommet (16) from harness (12) and tunnel (17). 6. Remove locknut (32), washer (31), screw (27), and clamp (28) from fuel line clamp (29), body bracket (30) and harness. Discard locknut (32). 7. Remove locknut (22), washer (23), capscrew (33), and washer (23) from harness ground (34) and fuel pump (26). Discard locknut (22). 8. Remove nut (21) and lockwasher (20), and ground terminal (19) from ground stud (18). Discard lockwasher (20). 9. Disconnect harness lead (24) from fuel pump lead (25). 10. Remove screw (35) and clamp (36) from harness (12) and body (9). Manual References TM 9-2320-280-24P Equipment Condition • Passenger seat back removed (para. 10-45). • Heater fuel pump removed (para. 11-194). TM 9-2320-280-20-2 4-286 Change 3 NOTE Prior to removal, tag leads for installation. INITIAL SETUP: Applicable Models M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 133) Two locknuts (Appendix G, Item 70) Lockwasher (Appendix G, Item 178) Two assembled locknuts (Appendix G, Item 131) Two tiedown straps (Appendix G, Item 308)