TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 677 of 1170
12-49. ARCTIC DIVERTER BOX MAINTENANCE This task covers: a. Removal c. Assembly b. Disassembly d. Installation INITIAL SETUP: Applicable Models M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Plug button (Appendix G, Item 8) Two blind rivets (Appendix G, Item 253) Four blind rivets (Appendix G, Item 258) Equipment Condition Arctic diverter ducting removed (para. 12-56). TM 9-2320-280-20-3 12-72 Change 2 NOTE Refer to para. 10-66 for rivet removal. 1. Remove four rivets (21) and transition diverter (12) from diverter (9). 2. Remove screw (15), spring (16), and louver (17) from transition diverter (12). 3. Remove two rivets (19), flap (20), and bracket (18) from diverter (9). d. Installation 1. Position diverter (9) under “A” beam (1) and connect two defroster flex ducts (2) on diverter (9). 2. Secure flex ducts (2) to diverter (9) with two clamps (3). 3. Connect defroster cable core (6) on baffle pin (10) with plug button (11). 4. Install transition diverter (12) on transition (13) with two screws (14). NOTE Control cable must be pushed in, and baffle pin must be in the upward position before securing control cable to diverter box. 5. Install clamp (4) on diverter (9) with screw (5). 6. Install diverter (9) on heater (7) with two screws (8). c. Assembly NOTE Refer to para. 10-66 for rivet installation. 1. Install flap (20) and bracket (18) on diverter (9) with two rivets (19). 2. Install louver (17) on transition diverter (12) with spring (16) and screw (15). 3. Install transition diverter (12) on diverter (9) with four rivets (21). 1. Remove two screws (14) from transition diverter (12) and transition (13). 2. Remove two screws (8) from diverter (9) and heater (7). 3. Remove screw (5) and clamp (4) from diverter (9) 4. Remove plug button (11) and disconnect defroster cable core (6) from baffle pin (10). Discard plug button (11). 5. Pull diverter (9) away from “A” beam (1), loosen two clamps (3), and remove diverter (9) from defroster flex ducts (2). b. Disassembly a. Removal