This task covers:
a. Removal
b. Installation
a. Removal
NOTE
Prior to removal, tag leads for installation.
1.
Disconnect regulator plug (1) from voltage regulator (4).
2.
Slide back rubber boot (21) and remove nut (22), lead 5A (23), and washer (24) from red (energize)
terminal (25).
3.
Slide back rubber boot (18) and remove nut (17), lead 2A (16), and washer (15) from yellow (AC)
terminal (14).
NOTE
Perform steps 4 and 5 for M1025A2, M1035A2, M1043A2, and
M1045A2 vehicles only.
4.
Slide back rubber boot (12) and remove nut (11), lead (10), and washer (9) from terminal (8).
5.
Disconnect regulator connector (20) from alternator connector (19).
6.
Remove two screws (5), lockwashers (6), and washers (7) securing voltage regulator (4) to
alternator (13). Discard lockwashers (6).
7.
Remove capscrew (3), lockwasher (2), and voltage regulator (4) from alternator (13). Discard
lockwasher (2).
INITIAL SETUP:
Applicable Models
All models except M996, M996A1, M1026,
M1026A1, M1097, M1097A1, M1097A2, M1123
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Sealing compound (Appendix C, Item 45)
Two lockwashers (Appendix G, Item 134)
Lockwasher (Appendix G, Item 135)
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 (3).
2.
Install voltage regulator (4) on alternator (13) with lockwasher (2) and capscrew (3). Tighten
capscrew (3) to 88-94 lb-in. (10-11 N•m).
3.
Install two washers (7), lockwashers (6), and screws (5) on voltage regulator (4) and alternator (13).
Tighten screws (5) to 30-34 lb-in. (3-4 N•m).
NOTE
Perform steps 4 and 5 for M1025A2, M1035A2, M1043A2, and
M1045A2 vehicles only.
4.
Install washer (9), lead (10), and nut (11) on terminal (8). Tighten nut (11) to 18-22 lb-in.
(2.0-2.5 N•m). Slide rubber boot (12) over terminal (8).
5.
Connect regulator connector (20) to alternator connector (19).
6.
Install washer (24), lead 5A (23), and nut (22) on red (energize) terminal (25). Tighten nut (22) to
23-27 lb-in. (2.6-3.0 N•m). Slide rubber boot (21) over terminal (25).
TM 9-2320-280-20-3
12-28
Change 1
12-22. 100 AMPERE REGULATOR (12342944, N3106) REPLACEMENT
