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

  TM-9-2320-280-20-2 - Page 494 of 951

4-109. 200 AMPERE ALTERNATOR (AA0013036AA) REPLACEMENT
This task covers:
a. Removal
b.
Installation
1.
Remove four screws (1), lockwashers (21), cover (2), and gasket (3) from regulator (4). Discard
lockwashers (21).
NOTE
Prior to removal, tag leads for installation.
2.
Remove nut (13), lockwasher (12), washer (11.1), and lead 2A (11) from stud (10). Discard
lockwasher (12).
3.
Remove nut (15), washer (16), nut (14.1), and lead 5A (14) from stud (5).
4.
Remove rubber wedge (17) from opening in regulator (4).
5.
Disconnect lead 568A (19) from harness lead (20).
6.
Remove tiedown strap (18) securing lead 568A (19) to leads 5A (14) and 2A (11). Discard tiedown
strap (18).
NOTE
Perform steps 8 and 9 for vehicles with revised new configuration.
7.
Loosen two capscrews (9) on alternator adjusting bracket (6) and two capscrews (38) on alternator
mounting bracket (40) and support bracket (39).
8.
Loosen capscrew (9), lockwasher (36), and washer (37) on alternator adjusting bracket (6).
9.
Loosen nut (41) on alternator mounting bracket (40).
10.
Remove three drivebelts (7) from alternator pulley (8).
11.
Slide back rubber boot (27) and remove nut (23), lockwasher (24), washer (25), fuse (26), insulator
washer (22), alternator positive cable (28), and bushing (29) from positive stud (30). Discard
lockwasher (24).
12.
Remove nut (35), lockwasher (34), lead 3B (31), and ground strap (33) from ground stud (32).
Discard lockwasher (34).
a. Removal
INITIAL SETUP:
Applicable Models
M996, M996A1, M997, M997A1
Tools
General mechanc’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Four lockwashers (Appendix G, Item 138)
Tiedown strap (Appendix G, Item 308)
Lockwasher (Appendix G, Item 142)
Two lockwashers (Appendix G, Item 133)
Two lockwashers (Appendix G, Item 153)
Two lockwashers (Appendix G, Item 188)
Sealant (Appendix C, Item 9)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Battery ground cable removed (para. 4-73).
• Hood raised and secured (TM 9-2320-280-
10).
General Safety Instructions
Alternator must be supported during removal
and installation.
TM 9-2320-280-20-2
4-254
Change 3


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