TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 168 of 953
3-83. SERPENTINE DRIVEBELT MAINTENANCE TM 9-2320-280-20-2 3-142 Change 3 This task covers: a. Removal c. Installation b. Inspection d. Alignment INITIAL SETUP: Applicable Models M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Breaker bar, 3/8 in. (Appendix B, Item 2) Breaker bar, 1/2 in. (Appendix B, Item 2) Pulley alignment tool (Appendix D, Fig. D-120) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-10 Equipment Condition Hood raised and secured (TM 9-2320-280-10). a. Removal 1. Position 3/8 or 1/2 in. breaker bar as appropriate on belt tensioner (7) and move tensioner (7) clockwise to loosen belt (9). 2. Remove belt (9) from power steering pump pulley (3), alternator pulley (2), water pump pulley (4), crankshaft pulley (5), air conditioning compressor or idler pulley (8), two upper idler pulleys (1), and tensioner pulley (6). Release belt tensioner (7). b. Inspection Clean and check pulleys and pulley groves to ensure a smooth surface. c. Installation 1. Position 3/8 or 1/2 in. breaker bar as appropriate on belt tensioner (7) and move tensioner (7) clockwise to allow installation of belt (9). 2. Feed belt (9) into grooves on crankshaft pulley (5), air conditioning compressor or idler pulley (8), two upper idler pulleys (1), alternator pulley (2), power steering pump pulley (3), water pump pulley (4), and tensioner pulley (6). Release belt tensioner (7).