TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 533 of 1170
11-185. AIR INTAKE DUCT DOOR REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove push on nut (6) and slide control cable (5) off arm (7). Discard push on nut (6). 2. Remove two capscrews (4) and lockwashers (3) from duct door (2) and intake duct (8). Discard lockwashers (3). 3. Slide duct door (2) right, and remove duct door (2) and bushing (1) from intake duct (8) and bracket (9). NOTE Evaporator intake duct door and heater intake duct door are replaced basically the same. This procedure covers the evaporator duct door. INITIAL SETUP: Applicable Models M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Push on nut (Appendix G, Item 227) Two lockwashers (Appendix G, Item 134) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Air intake filter removed (TM 9-2320-280-10). • Blower housing opened (para. 11-198). b. Installation 1. Install bushing (1) on bracket (9). 2. Install arm (7) through intake duct (8) and slide duct door (2) left into bushing (1). 3. Install duct door (2) on intake duct (8) with two lockwashers (3) and capscrews (4). 4. Slide control cable (5) onto arm (7) with push on nut (6). TM 9-2320-280-20-3 Change 2 11-269 FOLLOW-ON TASKS: • Install air intake filter (TM 9-2320-280-10). • Adjust duct door control cable (para. 11-199).