TM 9-2320-280-20-2
4-99. NBC CONTROL BOX AND WIRING HARNESS REPLACEMENT (M996, M996A1) Cont’d)
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
Install grommet (12), retainer (11), harness (3), and intercom cable (13) to body (7) with two
washers (14) and screws (15).
Install clamp (2) and harness (3) on body (7) with screw (1).
Install ground leads (16) on three NBC heaters (6) and body (7) with three lockwashers (17) and
capscrews (18).
Connect lead 785A (9), lead 785B (10), and lead 786A (19) to NBC heaters (6).
Install three tiedown straps (8) on leads (9), (10), and (19), and harness (3).
Install harness channel (4) over harness (3) on body (7) with four screws (5).
Install four clamps (25) on harness (3) and heater harness (24) on body (23) with four screws (26).
Install positive lead 782 (40) on power stud (43) with washer (21), lockwasher (22), and nut (30).
Install two NBC harness leads (32) on mounting buss (44) with two screws (31).
Connect lead 791A (41) to light harness lead 791B (42).
Install clamp (38) on NBC harness (3) and control box stud (39) with nut and lockwasher assembly (36).
Install grommet (37) and retainer (35) on NBC harness (3) and body (23) with two washers (34) and
screws (33).
Install cover (27) on control box (20) with four lockwashers (28) and screws (29).
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