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 TM 9-2320-279-10-3
Operation Under Unusual Conditions (Cont)
c. Post Cold Weather Operation.
CAUTION
Once pumping operations have been completed, park
vehicle in a warm shelter +55F (13C) as soon as possible
to prevent water from freezing and causing damage to
equipment.
(1)
Park vehicle in warm shelter as soon as possible
(TM 9-2320-279-10-1, para 2-110).
(2)
Shut off vehicle engine (TM 9-2320-279-10-1, para 2-11).
CAUTION
If compartment heaters are operating, DO NOT turn off
the 24 V battery disconnect switch, as this will disable the
heaters. The heaters will shut off automatically after
they complete a cool-down cycle (5-10 minutes). At that
time the 24V battery disconnect switch can be turned off.
Failure to comply may result in damage to heaters.
NOTE
Perform step (3) if foam system flush was used and not
flushed at scene.
(3)
Perform Foam System Flush (para 2-128).
(4)
Perform Post Operation procedures (para 2-129).
CAUTION
It is recommended during cold weather conditions to leave
main water pump in a "dry condition" and foam system
charged with Class A foam agent or Class B foam agent
rated for a minimum of -20F (-29C) to prevent water
and foam from freezing and causing damage to
equipment.
(5)
Make sure foam tanks are filled with Class A foam agent or Class B
foam agent rated for a minimum of -20F (-29C) (para 2-122).
(6)
Make sure water pump and plumbing have been blown out
2-237/(2-238 blank)
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