TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download
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TB 9-2320-335-13&P 3-50 3-81.2. SERPENTINE DRIVEBELT MAINTENANCE (SERIAL NUMBERS 300000 AND ABOVE) This task covers: a. Removal c. Alignment b. Installation INITIAL SETUP: NOTE 200-AMP dual voltage regulator shown. 1. Position 3/8-in. breaker bar or, as appropriate, 1/2-in. ratchet wrench on belt tensioner (10) and move belt tensioner (10) clockwise to loosen drivebelt (2). 2. Remove drivebelt (2) from power steering pump pulley (6), idler pulley (5), alternator pulley (4), water pump pulley (8), crankshaft pulley (7), air conditioning compressor or idler pulley (1), two upper idler pulleys (3), and belt tensioner pulley (9). Release belt tensioner (10). CAUTION Serpentine drivebelt failure (abnormal wear or belt dislodgement) can be caused by misalignment of pulleys, improper installation, or foreign objects introduced into belt path. NOTE Check pulley and pulley grooves for damage and debris prior to installing serpentine belt. 1. Position 3/8-in. breaker bar or, as appropriate, 1/2-in. ratchet wrench on belt tensioner (10) and move belt tensioner (10) clockwise to allow installation of drivebelt (2). 2. Feed drivebelt (2) into grooves on crankshaft pulley (7), air conditioning compressor or idler pulley (1), two upper idler pulleys (3), alternator pulley (4), idler pulley (5), power steering pump pulley (6), water pump pulley (8), and tensioner pulley (9). Release belt tensioner (10). b. Installation a. Removal Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Pulley alignment tool (Appendix D, Fig. D-107) Personnel Required One mechanic One assistant Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition Geared fan driveshaft removed (para. 3-80.3). Maintenance Level Unit