TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download

Page 190 of 1170

10-96.1. DEFROSTER DUCTING REPLACEMENT (M1097A2, M1123) This task covers: a. Removal b. Installation a. Removal 1. Remove eight screws (6), retainer (7), and closeout panel (5) from “A” beam (4). 2. Remove three nuts (12), washers (9), capscrews (8), and washers (9) from three clamps (10), cable clamp (11), closeout panel (5), and “A” beam (4). 3. Remove three screws (13) from closeout panel (5) and “A” beam (4). 4. Loosen clamp (2) and disconnect left flex duct (3) from left defroster nozzle (1). 5. Remove four screws (19) and diverter cover (18) from “A” beam (4). 6. Disconnect right flex duct (15) from right defroster nozzle (14). 7. Loosen two clamps (16) and disconnect left flex duct (3) and right flex duct (15) from diverter housing (17). INITIAL SETUP: Applicable Models M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Adhesive sealant (Appendix C, Item 3) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition •Hood raised and secured (TM 9-2320-280-10). •Engine access cover removed (para. 10-15). TM 9-2320-280-20-3 10-164.2 Change 1 1. Connect left flex duct (3) and right flex duct (15) to diverter housing (17) and tighten two clamps (16). 2. Apply adhesive sealant and connect right flex duct (15) to right defroster nozzle (14). 3. Install diverter cover (18) on “A” beam (4) with four screws (19). 4. Apply adhesive and connect left flex duct (3) to left defroster nozzle (1) and tighten clamp (2). 5. Install closeout panel (5) and retainer (7) on “A” beam (4) with eight screws (6). 6. Secure closeout panel (5) to “A” beam (4) with three screws (13). 7. Install three clamps (10), cable clamp (11), and closeout panel (5) on “A” beam (4) with three washers (9), capscrews (8), washers (9), and nuts (12). b. Installation