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

Page 169 of 1170

a. Removal 1. Remove four capscrews (2) from instrument cluster (5) and instrument panel (3). 2. Pull instrument cluster (5) away from panel (3). 3. Remove nut (15), lockwasher (16), screw (9), clamp (14), and control cable (6) from diverter box bracket (10). Discard lockwasher (16). 4. Remove plug button (12) from control wire (13) and baffle pin (11). Discard plug button (12). 5. Disconnect control wire (13) from baffle pin (11) on diverter box bracket (10). 6. Remove tiedown strap (18) from control cable (6) and hose clamp (17). Discard tiedown strap (18). 7. Pull control cable (6) through firewall (19) and three clamps (7) on “A” beam (8) and firewall (19). 8. Remove nut (4) from threaded shaft (1) and instrument panel (3) and pull control cable (6) through panel (3). b. Installation 1. Feed control cable (6) through instrument panel (3) and install threaded shaft (1) on panel (3) with nut (4). 2. Route control cable (6) through three clamps (7) on “A” beam (8) and firewall (19). 3. Connect control wire (13) to baffle pin (11) on diverter box bracket (10) with plug button (12). NOTE Control wire and knob must be pushed in, and baffle pin must be in the upward position before securing control cable to diverter box. 4. Install clamp (14) on control cable (6) and diverter box bracket (10) with screw (9), lockwasher (16), and nut (15). 5. Install control cable (6) on hose clamp (17) with tiedown strap (18). 6. Install instrument cluster (5) on panel (3) with four capscrews (2). 10-88. DEFROST CONTROL REPLACEMENT This task covers: a. Removal b. Installation 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). INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Tiedown strap (Appendix G, Item 307) Plug button (Appendix G, Item 8) Lockwasher (Appendix G, Item 143) TM 9-2320-280-20-3 10-146 Change 2