TM 9-2320-280-20-2
4-115. 200 AMPERE REGULATOR (12338796-1, S-311] REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M997A2, M1025A2, M11035A2, M1043A2,
TM 9-2320-280-10
M1045A2, M1097, M1097A1, M1097A2
TM 9-2320-280-24P
Tools
Equipment Condition
General mechanic’s tool kit:
Battery ground cables disconnected (para. 4-73).
automotive (Appendix B, Item 1)
Hood raised and secured (TM 9-2320-280-10).
Materials/Parts
Two lockwashers
(Appendix G, Item 134)
Lockwasher (Appendix G, Item 135)
Sealing Compound (Appendix C, Item 45)
a. Removal
N O TE
Prior to removal, tag leads for installation.
1. Disconnect regulator plug (13) from voltage regulator (12).
2. Slide back rubber boot (4) and remove nut (3), lead 5A (2), and washer (1) from red (energize)
terminal (26).
3. Slide back rubber boot (5) and remove nut (6), lead 2A (7), and washer (8) from yellow (AC)
terminal (9).
N O TE
Perform steps 4 and 5 for M997A2, M1025A2, M1035A2,
M1043A2, M1045A2, and M1097A2 vehicles only.
4. Slide back rubber boot (22) and remove nut (23), lead (21), and washer (24) from terminal (25).
5. Disconnect regulator connector (17) from alternator connector (16).
6. Remove two screws (20), lockwashers (19), and washers (18) from voltage regulator (12) and
alternator (15). Discard lockwashers (19).
7. Remove capscrew (10), lockwasher (11), spacer (14), and voltage regulator (12) from alternator (15).
Discard lockwasher (11).
b. Installation
1. Apply sealing compound to threads of capscrew (10).
2. Install spacer (14) and voltage regulator (12) on alternator (15) with lockwasher (11) and
capscrew (10). Tighten capscrew (10) to 88-94 lb-in. (10-11 N.m).
3. Install two washers (18), lockwashers (19) and screws (20) on voltage regulator (12) and
alternator (15). Tighten screws (20) to 30-34 lb-in. (3-4 N.m).
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