TM 9-4540-202-12&P
SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS
2-6. OPERATION IN UNUSUAL WEATHER
a.
Extreme Cold.
(1)
During extreme cold weather, operate heater in a shelter if possible. Be certain to pipe exhaust fumes
outside.
(2)
Provide a windbreak such as a tent, building, tarpaulin, or truck if heater must be operated outside.
(3)
Leave igniter cup or lighter in flue compartment for 3 to 5 minutes instead of normal time of 1 to 2 minutes
when preheating flue.
b.
Extreme Heat.
(1)
Use greater care in lighting and operating heater in extreme heat because of the more rapid evaporation of
gasoline under this condition.
(2)
Under tropical conditions, remove condensation from heater with dry cloth to keep heater free from
moisture.
c.
Heavy Rain.
(1)
Up-end heater before each operation and drain any water from combustion chamber.
(2)
Protect the heater with an overhead shelter whenever possible.
(3)
Protect burner from moisture to prevent buildup of lust on vaporizer plate which will interfere with heater
operation.
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