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 446 of 951

4-100. NBC CONTROL BOX AND WIRING HARNESS REPLACEMENT (M997, M997A1,

M997A2) (Cont’d)

18.

Install grommet (6), retainer (7), harness (9), and intercom cable (8) on body (5) with clamp (24),

two washers (23), capscrews (22), and assembled locknuts (4).

19.

Install leads 796B and 796A (27) on NBC heater (29) with washer (1), capscrew (2), washer (1), and

locknut (28).

20.

Connect harness lead 786A (25) to NBC heater lead (26).

21.

Install five clamps (13), harness (9), and intercom cable (8) on body (5) with five screws (12).

22.

Install leads 796 and 796A (16) on NBC heater (18) with washer (15), capscrew (17), washer (15),

and nut (14).

23.

Connect harness lead 785A (21) on NBC heater lead (20).

24.

Install two clamps (10) on harness (9) and body (5) with three screws (11).

25.

Install tiedown straps (3) and (19) securing heater leads together.

26.

Install clamp (42) and harness (9) on A/C control box (40) and body (47) with lockwasher (41) and

screw (38).

27.

Install two ground terminals (37) on NBC heaters (30) and bracket (48) with capscrews (39) and

(49) and nuts (35) and (46).

28.

Install bracket (48) and NBC heaters (30) on body (47) with four washers (31) and capscrews (32).

29.

Connect leads 784A (36) and 784B (44) on NBC heater leads (34) and (43).

30.

Install two tiedown straps (45) on harness (9) and leads.

TM 9-2320-280-20-2

4-208

Change 3