TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 218 of 953
4-5.7. (6.5L) 200 AMPERE DUAL VOLTAGE ALTERNATOR (12447109) REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: NOTE Prior to removal, tag leads for installation. 1. Remove nut (13), lockwasher (12), washer (11), lead 3B (10), and ground strap lead 3B (9) from ground stud (8). Discard lockwasher (12). 2. Slide back rubber boot (14) and remove nut (1), lockwasher (2), washer (3), and alternator positive cable lead 6 (4) from positive stud (5). Discard lockwasher (2). 3. Position 3/8-in. breaker bar on belt tensioner (15), move tensioner (15) clockwise, and remove drivebelt (6) from alternator pulley (7). WARNING Alternator must be supported during removal. Failure to support alternator may cause injury to personnel or damage to equipment. 4. Remove nut (28), lockwasher (27), washer (26), two screws (18), washers (16), lockwasher (17), and alternator (24) from support bracket (22) and mounting bracket (25). Discard lockwashers (27) and (17). 5. Remove three capscrews (19), washers (20), bushings (23), and fan guard assembly (21) from alternator (24). 6. Remove alternator pulley (7) (para. 4-3). a. Removal 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) Lockwasher (Appendix G, Item 188) Lockwasher (Appendix G, Item 186) Lockwasher (Appendix G, Item 133) Grease (Appendix C, Item 25) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-24P Equipment Condition Voltage regulator removed (para. 4-5.10). General Safety Instructions Alternator must be supported during removal and installation. 4-12.18 Change 3