TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 420 of 953
Applicable Models M996, M996A1 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Four lockwashers (Appendix G, Item 136) Two plain-assembled nuts (Appendix G, Item 201) Three lockwashers (Appendix G, Item 135) Locknut (Appendix G, Item 128) Lockwasher (Appendix G, Item 133) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Battery ground cable disconnected (para. 4-73). TM 9-2320-280-20-2 4-182 Change 3 4-97. CONTROL BOX ASSEMBLY REPLACEMENT (M996, M996A1) This task covers: a. Removal b. Installation INITIAL SETUP: 1. Remove four screws (7), lockwashers (8), and cover (6) from control box (5). Discard lockwashers (8). NOTE Prior to removal, tag leads for installation. 2. Remove seven screws (4) and seven light harness leads (3) from terminal block (9). 3. Disconnect light harness lead 791B (11) from NBC harness lead 791A (10). NOTE Grommet must be removed through top of control box. 4. Remove grommet (2) and light harness (1) from control box (5). 5. Remove plain-assembled nut (16), clamp (17), and heater harness (15) from mounting buss screw (18). Discard plain-assembled nut (16). 6. Remove three screws (14) and heater harness leads (13) from terminal block (9) and mounting buss (12). a. Removal