TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 450 of 953
4-101. INTERIOR LIGHTING HARNESS ASSEMBLY REPLACEMENT (M997, M997A1, M997A2) This task covers: a. Removal b. Installation a. Removal 1. Remove four screws (4), lockwashers (5), and cover (3) from control box (6). Discard lockwasher (5). INITIAL SETUP: Applicable Models M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Eight 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). • Rear door blackout switch removed (para. 4-93). • Electrical outlet/bracket removed (para. 4-90). TM 9-2320-280-20-2 4-212 Change 3 2. Remove eight screws (2) and lighting harness leads (1) from terminal block (7) and mounting buss (9). 3. Remove two screws (13), clamps (14), and lighting harness (12) from duct (15). 4. Disconnect lead 791B (10) from NBC harness lead 791A (8). 5. Remove grommet (11) and harness (12) from control box (6). 6. Deleted. 7. Remove four screws (29), clamp (17.1), and channel (30) from body (19) and pull channel (30) away for access to clamp (25). 8. Remove nut (23), screw (26), two clamps (25), and light harnesses (20) from cover (30). 9. Remove ten screws (21), cover (28), clamp (16), and harness (12) from body (19). Lower cover (28) to allow access to harness (12). 10. Disconnect six harness leads (17) from light leads (24). Remove harness cover (28) and grommet (27) from cover (28). 11. Disconnect four harness leads (18) from light leads (22). NOTE Prior to removal, tag leads for installation.