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 416 of 951

4-96. CONTROL BOX ASSEMBLY REPLACEMENT (M997, M997A1, M997A2) (Cont'd)

TM 9-2320-280-20-2

4-178

Change 3

11.

Remove two tiedown straps (14) and lead (12) from NBC harness (13). Discard tiedown straps (14).

12.

Disconnect NBC harness leads 784A (5) and 784B (12) from heater leads (4).

13.

Remove four capscrews (2) and washers (1) from NBC heater mounting plate (16) and body (15) and

pull mounting plate (16) away for access to two capscrews (8).

14.

Remove two nuts (6), capscrews (8), and ground terminals (7) from NBC heaters (3).

15.

Remove screw (9), clamp (10), NBC harness (13), and A/C control box (11) from body (15).

16.

Push grommet (40) down through hole in control box (17) and remove NBC harness (13) from

control box (17).

17.

Remove three screws (19), lockwashers (18), and control box (17) from body (37). Discard

lockwashers (18).