TM 9-2320-280-20-2
4-99. NBC CONTROL BOX AND WIRING HARNESS REPLACEMENT (M996, M996A1)
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
M996, M996A1
Tools
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
General mechanic’s kit:
Equipment Condition
automotive (Appendix B, Item 1)
NBC control panel removed (para. 4-124).
Materials/Parts
Eight lockwashers (Appendix G, Item 110)
Nut and lockwasher assembly
(Appendix G, Item 146)
Five tiedown straps (Appendix G, Item 241)
1. Remove four screws (11), lockwashers (10), and cover (9) from control box (1). Discard lockwashers (10).
NOTE
Prior to removal, tag all leads for installation.
2. Remove nut (12), lockwasher (3), washer (2), and positive cable lead 782 (22) from positive stud (25).
Discard lockwasher (3).
3. Remove two screws (13) and NBC harness leads (14) from mounting buss (26).
4. Disconnect lead 791A (23) from light harness lead 791B (24).
5. Remove nut and lockwasher assembly (18), clamp (20), and NBC harness (4) from control box stud (21).
Discard nut and lockwasher assembly (18).
6. Remove four screws (8), clamps (7), NBC harness (4), and heater harness (6) from body (5).
7. Remove two screws (15), washers (16) retainer (17) and grommet (19) from body (5) and remove
retainer (17) and grommet (19) from NBC harness (4).
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