TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 494 of 953
4-109. 200 AMPERE ALTERNATOR (AA0013036AA) REPLACEMENT This task covers: a. Removal b. Installation 1. Remove four screws (1), lockwashers (21), cover (2), and gasket (3) from regulator (4). Discard lockwashers (21). NOTE Prior to removal, tag leads for installation. 2. Remove nut (13), lockwasher (12), washer (11.1), and lead 2A (11) from stud (10). Discard lockwasher (12). 3. Remove nut (15), washer (16), nut (14.1), and lead 5A (14) from stud (5). 4. Remove rubber wedge (17) from opening in regulator (4). 5. Disconnect lead 568A (19) from harness lead (20). 6. Remove tiedown strap (18) securing lead 568A (19) to leads 5A (14) and 2A (11). Discard tiedown strap (18). NOTE Perform steps 8 and 9 for vehicles with revised new configuration. 7. Loosen two capscrews (9) on alternator adjusting bracket (6) and two capscrews (38) on alternator mounting bracket (40) and support bracket (39). 8. Loosen capscrew (9), lockwasher (36), and washer (37) on alternator adjusting bracket (6). 9. Loosen nut (41) on alternator mounting bracket (40). 10. Remove three drivebelts (7) from alternator pulley (8). 11. Slide back rubber boot (27) and remove nut (23), lockwasher (24), washer (25), fuse (26), insulator washer (22), alternator positive cable (28), and bushing (29) from positive stud (30). Discard lockwasher (24). 12. Remove nut (35), lockwasher (34), lead 3B (31), and ground strap (33) from ground stud (32). Discard lockwasher (34). a. Removal INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1 Tools General mechanc’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Four lockwashers (Appendix G, Item 138) Tiedown strap (Appendix G, Item 308) Lockwasher (Appendix G, Item 142) Two lockwashers (Appendix G, Item 133) Two lockwashers (Appendix G, Item 153) Two lockwashers (Appendix G, Item 188) Sealant (Appendix C, Item 9) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Battery ground cable removed (para. 4-73). • Hood raised and secured (TM 9-2320-280- 10). General Safety Instructions Alternator must be supported during removal and installation. TM 9-2320-280-20-2 4-254 Change 3