TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 218 of 951
4-5.7. (6.5L) 200 AMPERE DUAL VOLTAGE ALTERNATOR (12447109) REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
NOTE
Prior to removal, tag leads for installation.
1.
Remove nut (13), lockwasher (12), washer (11), lead 3B (10), and ground strap lead 3B (9) from
ground stud (8). Discard lockwasher (12).
2.
Slide back rubber boot (14) and remove nut (1), lockwasher (2), washer (3), and alternator positive
cable lead 6 (4) from positive stud (5). Discard lockwasher (2).
3.
Position 3/8-in. breaker bar on belt tensioner (15), move tensioner (15) clockwise, and remove
drivebelt (6) from alternator pulley (7).
WARNING
Alternator must be supported during removal. Failure to support
alternator may cause injury to personnel or damage to equipment.
4.
Remove nut (28), lockwasher (27), washer (26), two screws (18), washers (16), lockwasher (17), and
alternator (24) from support bracket (22) and mounting bracket (25). Discard lockwashers (27)
and (17).
5.
Remove three capscrews (19), washers (20), bushings (23), and fan guard assembly (21) from
alternator (24).
6.
Remove alternator pulley (7) (para. 4-3).
a. Removal
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Lockwasher (Appendix G, Item 187)
Lockwasher (Appendix G, Item 188)
Lockwasher (Appendix G, Item 186)
Lockwasher (Appendix G, Item 133)
Grease (Appendix C, Item 25)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-280-24P
Equipment Condition
Voltage regulator removed (para. 4-5.10).
General Safety Instructions
Alternator must be supported during removal
and installation.
4-12.18
Change 3
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