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 432 of 951
TM 9-2320-280-20-2
4-194
Change 3
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
General mechanic’s kit:
automotive (Appendix B, Item 1)
Materials/Parts
Four lockwashers (Appendix G, Item 136)
Plain-assembled nut (Appendix G, Item 201)
Locknut (Appendix G, Item 128)
Three locknuts (Appendix G, Item 97)
Lockwasher (Appendix G, Item 133)
Three lockwashers (Appendix G, Item 135)
Five tiedown straps (Appendix G, Item 309)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
NBC control panel removed (para. 4-124).
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 locknut (12), lockwasher (3), washer (2), and positive cable lead 782 (22) from positive
stud (25). Discard lockwasher (3) and locknut (12).
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 plain-assembled nut (18), clamp (20), and NBC harness (4) from control box
stud (21). Discard plain-assembled nut (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).
a. Removal
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