TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 164 of 953
3-81. ALTERNATOR DRIVEBELT SET REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Loosen two capscrews (8) securing alternator (2) to bottom mounting bracket (9). 2. Loosen adjusting bracket capscrew (1) and push alternator (2) toward engine NOTE Some vehicles have a quick-disconnect on fan drive hose. 3. Disconnect fan drive hose assembly (11) from fan drive assembly (10). 4. Remove belt set (5) from power steering pump pulley (4), alternator pulley (3), water pump pulley (7), and crankshaft pulley (6). INITIAL SETUP: Applicable Models All vehicles except: M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, M1123 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Hood raised and secured (TM 9-2320-280-10). • Battery ground cable disconnected (para. 4-73). b. Installation 1. Feed belt set (5) into grooves on crankshaft pulley (6), water pump pulley (7), alternator pulley (3), and power steering pump pulley (4). NOTE Some vehicles have a quick-disconnect on fan drive hose. 2. Connect fan drive hose assembly (11) to fan drive assembly (10). TM 9-2320-280-20-2 3-138 Change 2 NOTE Replace alternator drivebelts in matched sets only.