TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 605 of 953
5-14. MODULATOR ASSEMBLY REPLACEMENT (3L80) This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models All vehicles except: M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2 Tools General mechanic's tool kit: automotive (Appendix B, Item 1) Materials/Parts Packing retainer (Appendix G, Item 230) 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). General Safety Instructions Allow transmission to cool before performing this task. WARNING Allow transmission to cool before performing this task. Failure to do this may cause injury. 1. Pull off cable clip (6) from modulator control rod head (3). 2. Loosen mounting nuts (8) and (4) on cable bracket (1) and remove cable (7) and washer (5) from bracket (1). 3. Underneath vehicle, remove capscrew (11) and modulator retaining clip (12) from transmission (13). NOTE Have drainage container ready to catch fluid. 4. Remove modulator (10) and packing retainer (14) from transmission (13). Discard packing retainer (14). 1. Install packing retainer (14) on modulator (10) and install modulator (10) in transmission (13). 2. Install modulator retaining clip (12) on transmission (13) with capscrew (11). Tighten capscrew (11) to 18 lb-ft (24 N•m). NOTE Do not tighten mounting nuts. 3. Position modulator cable (7) through cable bracket (1) and install washer (5) and start mounting nut (4). CAUTION Ensure cable is clear of exhaust system or other sources of extreme heat to prevent damage to equipment. 4. Pull modulator control rod (2) to the rear until stop is engaged and hold in position. 5. With modulator cable core (9) in idle position (cable core (9) is extended), adjust modulator mounting nuts (4) and (8) until modulator control rod head (3) and cable clip (6) align. b. Installation a. Removal TM 9-2320-280-20-2 5-34 Change 3