TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 171 of 1170
TM 9-2320-280-20-3 I 10-89. HEATER CONTROL REPLACEMENT This task covers: a. Removal b. Installation lNITIAL SETUP: Tools Equipment Condition General mechanic’s tool kit: ● Hood raised and secured (TM 9-2320-280-10). automotive (Appendix B, Item 1) ● Engine access cover removed (pars. 10-15). Manual References TM 9-2320-280-10 TM 9-2320-280-24P 1. Remove screw (12) and clamp (11) from cable (7) and heater shutoff valve (15). 2. Remove control wire (10) from pin (9) on heater shutoff valve (15). 3. Carefully work cable (7) through three clips (13) along “A” beam (14). 4. Remove four capscrews (2) from instrument cluster (6) and instrument panel (3). 5. Pull instrument cluster (6) away from instrument panel (3). 6. Loosen nut (4) and slide along cable (7). 7. Pull cable (7) through nut (4) and instrument panel (3). 1. Feed cable (7) through instrument panel (3) and seat threaded shaft (1) in grommet (5). 2. Place nut (4) over cable (7) and secure threaded shaft (1) on instrument panel (3) by tightening nut (4). 3. Install instrument cluster (6) on instrument panel (3) with four capscrews (2). 4. Feed cable (7) carefully through three clips (13) along “A” beam (14). 5. Slip coiled end of control wire (10) over pin (9). NOTE Control wire and knob must be pushed in, and pin and lever rotated toward heater before anchoring cable to shutoff valve. 6. With control wire (10) and knob all the way in and pin (9) moved as close to heater (8) as possible, install cable (7) on shutoff valve (15) with clamp (11) and screw (12). 10-148