TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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INITIAL SETUP: Applicable Models All models except M996, M996A1, M1026, M1026A1, M1097, M1097A1, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Antiseize compound (Appendix C, Item 13) Adhesive sealant (Appendix C, Item 9) Silicone (Appendix C, Item 48) Six lockwashers (Appendix G, Item 184) Two lockwashers (Appendix G, Item 142) Lockwasher (Appendix G, Item 134) 12-21. 100 AMPERE REGULATOR (R027096300) REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove capscrew (11), lockwasher (10), and lead 3B (8) from regulator (9). Discard lockwasher (10). NOTE Perform steps 2 and 3 for older model regulators and step 4 for newer models. 2. Remove two screws (3), lockwashers (2), and cover (1) from regulator (9). Discard lockwashers (2). 3. Remove sealant from cover (1), leads (4), (5), and (7), and regulator (9). 4. Remove four screws (3), lockwashers (2), cover (18), gasket (17) and sealing wedge (16) from regulator (9) and leads (4), (5), and (7). Discard lockwashers (2). 5. Remove nut (13), lockwasher (12), and lead 5A (4) from regulator (9). Discard lockwasher (12). 6. Remove nut (15), lockwasher (14), and lead 2A (5) from regulator (9). Discard lockwasher (14). 7. Disconnect regulator lead 568 (7) from engine harness lead 568A (6). 8. Loosen two clamp nuts (23) and remove clamp pins (22) and guard (21) from regulator slots (19). 9. Unscrew connector plug (24) and remove regulator (9) from alternator (20). Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Battery ground cable disconnected (para. 4-73). • Hood raised and secured (TM 9-2320-280-10). TM 9-2320-280-20-3 12-24 Change 2 NOTE • Prior to removal, tag leads for installation. • Older model regulators have two screws securing regulator cover and terminals are sealed with sealant. Newer model regulators have four screws securing regulator cover and no sealant. Identify which type is on vehicle and follow particular model steps as noted.