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 518 of 951
4-115. 200 AMPERE REGULATOR (12338796-1, S-311) REPLACEMENT
This task covers:
a. Removal
b.
Installation
a. Removal
NOTE
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).
NOTE
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), spring tension washers (19), and washers (18) from voltage regulator (12)
and alternator (15). Discard spring tension washers (19).
7.
Remove capscrew (10), lockwasher (11), spacer (14), and voltage regulator (12) from alternator (15).
Discard lockwasher (11).
INITIAL SETUP:
Applicable Models
M997A2, M1025A2, M11035A2, M1043A2,
M1045A2, M1097, M1097A1, M1097A2
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two spring tension washers
(Appendix G, Item 318)
Lockwasher (Appendix G, Item 185)
Sealing Compound (Appendix C, Item 45)
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 (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), spring tension washers (19) and screws (20) on voltage regulator (12) and
alternator (15). Tighten screws (20) to 30-34 lb-in. (3-4 N
•
m).
TM 9-2320-280-20-2
4-272
Change 3
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