TM-9-2320-361-10
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
OPERATOR'S MANUAL
DECEMBER 1988
TM-9-2320-361-10 - Page 280 of 392
TM 9-2320-361-10
2-59. OPERATION OF SWINGFIRE HEATER (Contd)
(10)
If overheating switch (6) is not in OPERATION position, allow swingfire
heater (1) to cool. Place overheating switch (6) in OPERATION position. Operate
swingfire heter (refer to b. of this para.), close access door (7), and install
catch (9). If swingfire heater will not operate, notify supervisor.
WARNING
Box assembly and exhaust pipe will become hot after
continued operation. Be careful when opening access door
and when removing swingfire heater. Failure to do this may
result in injury to personnel.
(11)
After operation, raise catch (9) and open access door (7). Do not allow
skin to contact box (5) if hot. Open door (8) (refer to para. 2-51), loosen wingnut
(3) by turning counterclockwise, and remove swingfire heater (1). Do not allow
skin to contact exhaust pipe (10).
(12)
Install swingfire heater (1) in mixing pipe or water jacket, or stow, as
necessary. Refer to f. of this para.
e. Operation of Water Jacket.
(1) General.
Swingfire heater is installed in water jacket to heat engine coolant
and permit easy starting in arctic conditions.
(2)
Open wingnut (3) all the way counterclockwise.
(3)
Make sure gasket (2) is flat against body of heater (1).
NOTE
Water jacket is located on right side of engine
compartment.
Make sure swingfire heater is installed with pump lever
straight up.
Swingfire heater should be in operation when installed.
Refer to b. of this para.
(4)
Remove cap (13) and install swingfire heater (1) in water jacket (12).
Tighten wingnut (3) by turning clockwise.
2-219
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