TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download

Page 518 of 953

4-115. 200 AMPERE REGULATOR (12338796-1, S-311) REPLACEMENT This task covers: a. Removal b. Installation a. Removal NOTE Prior to removal, tag leads for installation. 1. Disconnect regulator plug (13) from voltage regulator (12). 2. Slide back rubber boot (4) and remove nut (3), lead 5A (2), and washer (1) from red (energize) terminal (26). 3. Slide back rubber boot (5) and remove nut (6), lead 2A (7), and washer (8) from yellow (AC) terminal (9). NOTE Perform steps 4 and 5 for M997A2, M1025A2, M1035A2, M1043A2, M1045A2, and M1097A2 vehicles only. 4. Slide back rubber boot (22) and remove nut (23), lead (21), and washer (24) from terminal (25). 5. Disconnect regulator connector (17) from alternator connector (16). 6. Remove two screws (20), spring tension washers (19), and washers (18) from voltage regulator (12) and alternator (15). Discard spring tension washers (19). 7. Remove capscrew (10), lockwasher (11), spacer (14), and voltage regulator (12) from alternator (15). Discard lockwasher (11). INITIAL SETUP: Applicable Models M997A2, M1025A2, M11035A2, M1043A2, M1045A2, M1097, M1097A1, M1097A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two spring tension washers (Appendix G, Item 318) Lockwasher (Appendix G, Item 185) Sealing Compound (Appendix C, Item 45) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Battery ground cables disconnected (para. 4-73). • Hood raised and secured (TM 9-2320-280-10). b. Installation 1. Apply sealing compound to threads of capscrew (10). 2. Install spacer (14) and voltage regulator (12) on alternator (15) with lockwasher (11) and capscrew (10). Tighten capscrew (10) to 88-94 lb-in. (10-11 Nm). 3. Install two washers (18), spring tension washers (19) and screws (20) on voltage regulator (12) and alternator (15). Tighten screws (20) to 30-34 lb-in. (3-4 Nm). TM 9-2320-280-20-2 4-272 Change 3