TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 504 of 953
4-110.1. 200 AMPERE ALTERNATOR (12447109) REPLACEMENT (6.5L) This task covers: a. Removal b. Installation a. Removal NOTE Prior to removal, tag leads for installation. 1. Remove nut (14), lockwasher (13), washer (12), and ground strap (11) from ground stud (10). Discard lockwasher (13). 2. Slide back rubber boot (15) and remove nut (1), lockwasher (2), washer (3), alternator positive cable (4), nut (5), and washer (6) from positive stud (7). Discard lockwasher (2). 3. Position 3/8-in. breaker bar on belt tensioner (16), move tensioner (16) clockwise, and remove drivebelt (8) from alternator pulley (9). WARNING Alternator must be supported during removal and installation. Failure to support alternator may cause injury to personnel or damage to equipment. 4. Remove capscrew (17), lockwasher (18), and washer (19) from bracket (20) and alternator (28). Discard lockwasher (18). 5. Remove nut (31), lockwasher (30), washer (25), screw (24), washer (25), and alternator (28) from support bracket (26) and mounting bracket (29). Discard lockwasher (30). 6. Remove three capscrews (21), washers (22), bushings (27), and fan guard assembly (23) from alternator (28). 7. Remove alternator pulley (9) (para. 4-3). INITIAL SETUP: Applicable Models M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Lockwasher (Appendix G, Item 187) Two lockwashers (Appendix G, Item 188) Lockwasher (Appendix G, Item 186) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-24P Equipment Condition Voltage regulator removed (para. 4-115). General Safety Instructions Alternator must be supported during removal and installation. TM 9-2320-280-20-2 4-260.2 Change 3