TM-9-2320-279-10-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

OPERATOR’S MANUAL VOLUME 1 OF 2

DECEMBER 1998

CHANGE 5

TM-9-2320-279-10-1 - Page 473 of 773

TM 9-2320-279-10-1

Auxiliary Equipment Operation (Cont)

(4)

Install arctic heater (5) into water jacket (6) as follows:

(a)

(b)

(c)

(d)

(e)

(f)

Remove cover (7) from water jacket (6).

Turn wingnut (8) on heater (5) counterclockwise to open

mounting clamp (9).

Check gasket (10) for proper placement and cuts, tears, and

deterioration.

Insert, heater (5) into water jacket (6) with hand pump lever (11)

in vertical position.

Turn wingnut (6) clockwise to tighten mounting clamp (9)

securing heater (5) in water jacket (6).

Insert heater cable (12) into cable receptacle (13) in cab, and

receptacle (14) on heater (5).

Change 5

2-362.1