a. Removal
b. Installation
TM 9-2320-280-20-3
12-69. SWINGFIRE CIRCUIT BREAKER AND HARNESS LEAD REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Materials/Parts
M966, M966A1, M996, M996A1, M997,
Three lockwashers (Appendix G, Item 111)
M997A1, M997A2, M998, M998A1, M1025,
M1025A1, M1025A2, M1037, M1038, M1038A1
Manual References
TM 9-2320-280-24P
Tools
General mechanic’s tool kit:
Equipment Condition
automotive (Appendix B, Item 1)
Battery ground cable disconnected (para. 4-73).
NOTE
Prior to removal, tag leads for installation.
1. Disconnect harness leads 81A (3) and 81A (4) from circuit breaker (1) inside battery box (9).
2. Remove two nuts (11), lockwashers (10), screws (2), and circuit breaker (1) from battery box (9).
Discard lockwashers (10).
3. Remove nut (7), lockwasher (6), washer (5) and harness lead 81A (3) from power feed through
stud (8). Discard lockwashers (6).
1.
2.
3.
Install harness lead 81A (3) on power feed through stud (8) with washer (5), lockwasher (6), and
nut (7).
Install circuit breaker (1) on battery box (9) with two screws (2), lockwashers (10), and nuts (11).
Connect harness leads 81A (3) and 81A (4) to circuit breaker (1).
FOLLOW-ON TASK: Connect battery ground cable (para. 4-73).
12-102
