TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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4-4. ALTERNATOR MOUNTING BRACKETS REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: NOTE If the connection is loose between alternator bracket and alternator, tightening mounting bolts further may cause alternator bracket to fail. Notify DS maintenance to modify an older bracket. 1. Remove capscrew (4), lockwasher (5), washer (6), and alternator adjusting bracket (7) from alternator mounting bracket (9). Discard lockwasher (5). 2. Remove bolt (1) and lockwasher (2) from power steering bracket (3), alternator mounting bracket (9), and engine (21). Discard lockwasher (2) and bolt (1). 3. Remove capscrew (12), lockwasher (11), and washer (10) from alternator mounting bracket (9) and power steering bracket (3). Discard lockwasher (11). 4. Remove capscrew (25), lockwasher (24), and washer (23), and swing power steering pump (22) down. Discard lockwasher (24). 5. Remove two bolts (8) and alternator mounting bracket (9) from engine (21). Discard bolts (8). NOTE Perform steps 8 and 9 for vehicles with new alternator support bracket configuration. 6. Remove nut (20), washer (19), capscrew (13), spacer (17), and clamps (18) from support bracket (14). 7. Remove socket-head screw (16), washer (15), and support bracket (14) from engine (21). 8. Remove nut (20), two washers (19), capscrew (13), power steering lines bracket (27), and harness clamp (26) from clamps (18). 9. Remove nut (16), washer (15), and support bracket (14) from engine (21). NOTE Perform steps 3 and 4 for vehicles with new alternator support bracket configuration. 1. Install support bracket (14) on engine (21) with washer (15) and socket-head screw (16). Tighten socket-head screw (16) to 25-33 lb-ft (34-45 N•m). 2. Install spacer (17) and clamps (18) on support bracket (14) with capscrew (13), washer (19), and nut (20). 3. Install support bracket (14) on engine (21) with washer (15) and nut (28). Tighten nut (28) to 35 lb-ft (47 N•m). 4. Install power steering lines bracket (27) and harness clamp (26) on clamps (18) with washer (19), capscrew (13), washer (19), and nut (20). b. Installation a. Removal Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 133) Two bolts (Appendix G, Item 5) Bolt (Appendix G, Item 4) Lockwasher (Appendix G, Item 191) Lockwasher (Appendix G, Item 178) Manual References TM 9-2320-280-24P Equipment Condition • 60 ampere alternator removed (para. 4-2). • 100 ampere alternator removed (para. 12-23 or 12-24). • 200 ampere alternator removed (para. 4-109 or 4-110). TM 9-2320-280-20-2 4-10 Change 3