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
Antiseize compound (Appendix C, Item 13)
Adhesive sealant (Appendix C, Item 9)
Silicone (Appendix C, Item 48)
Ten lockwashers (Appendix G, Item 108)
12-21. 100 AMPERE REGULATOR (R027096300) REPLACEMENT
This task covers:
a. Removal
b. Installation
a. Removal
1.
Remove capscrew (11), lockwasher (10), and lead 3B (8) from regulator (9). Discard
lockwasher (10).
NOTE
Perform steps 2 and 3 for older model regulators and step 4 for
newer models.
2.
Remove two screws (3), lockwashers (2), and cover (1) from regulator (9). Discard lockwashers (2).
3.
Remove sealant from cover (1), leads (4), (5), and (7), and regulator (9).
4.
Remove four screws (3), lockwashers (2), cover (18), gasket (17) and sealing wedge (16) from
regulator (9) and leads (4), (5), and (7). Discard lockwashers (2).
5.
Remove nut (13), lockwasher (12), and lead 5A (4) from regulator (9). Discard lockwasher (12).
6.
Remove nut (15), lockwasher (14), and lead 2A (5) from regulator (9). Discard lockwasher (14).
7.
Disconnect regulator lead 568 (7) from engine harness lead 568A (6).
8.
Loosen two clamp nuts (23) and remove clamp pins (22) and guard (21) from regulator slots (19).
9.
Unscrew connector plug (24) and remove regulator (9) from alternator (20).
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Battery ground cable disconnected (para. 4-73).
• Hood raised and secured (TM 9-2320-280-10).
TM 9-2320-280-20-3
12-24
Change 1
NOTE
• Prior to removal, tag leads for installation.
• Older model regulators have two screws securing regulator
cover and terminals are sealed with sealant. Newer model
regulators have four screws securing regulator cover and no
sealant. Identify which type is on vehicle and follow particular
model steps as noted.
