4-5.11. (6.5L) 400 AMPERE DUAL VOLTAGE REGULATOR ( PART OF 12446760)
REPLACEMENT
This task covers:
a. Removal
b.
Installation
a. Removal
NOTE
Prior to removal, tag leads for installation.
1.
Disconnect regulator plugs (13) and (14) from connectors (10) and (11) on voltage regulator (12).
2.
Slide back rubber boot (7) and remove nut (5), washer (6), and lead 5A (8) from red terminal (9) on
voltage regulator (12).
3.
Slide back rubber boot (3) and remove nut (1), washer (2), and lead 2A (4) from yellow terminal (20)
on voltage regulator (12).
4.
Remove three screws (19), lockwashers (18), washers (17), spacers (16), and voltage regulator (12)
from alternator (15). Discard lockwashers (18).
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Two lockwashers (Appendix G, Item 134)
Lockwasher (Appendix G, Item 135)
Grease (Appendix C, Item 25)
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).
1.
Install voltage regulator (12) on alternator (15) with three spacers (16), washers (17),
lockwashers (18), and screws (19) . Tighten screws (19) to 30-34 lb-in. (3-4 N•m).
2.
Install lead 5A (8), washer (6), and nut (5) on red terminal (9) of voltage regulator (12). Tighten
nut (5) to 35 lb-in. (4 N•m).
3.
Apply grease to red terminal (9), lead 5A (8), and inside of boot (7), and slide boot (7) over red
terminal (9).
4.
Install lead 2A (4), washer (2), and nut (1) on yellow terminal (20) of voltage regulator (12). Tighten
nut (1) to 20 lb-in. (2 N•m).
5.
Apply grease to yellow terminal (20), lead 2A (4), and inside of boot (3), and slide boot (3) over yellow
terminal (20).
6.
Connect regulator plugs (13) and (14) to connectors (10) and (11) on voltage regulator (12).
4-12.28
Change 2
b. Installation
TM 9-2320-280-20-2
