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TM 5-4320-305-10
2-8.
OPERATION IN EXTREME COLD (Continued)
WARNING
Death or serious injury could occur if diesel fuel oil is not handled carefully. Use in a well-
ventilated area away from open flame, arcing equipment, ignition sources, heaters, or excessive
heat. Be certain that fuel lines and connections are secure. Do not inhale vapor. Do not overfill
fuel tank. Engines must be turned off and cooled before refueling. Use proper refueling
procedures and equipment to avoid spillage. Do not run engines near open fuel containers. DO
NOT SMOKE.
c.
Keep fuel tank full to prevent condensation. Condensation can freeze and clog lines, filters, and injectors.
d.
Before filling the fuel tank, clear any snow, ice, or moisture from the area around the fuel tank cap and the
drive plate area at the engine flywheel.
e.
Keep fuel tank filler cap tight to prevent foreign matter from entering the engine fuel tank.
Drain the pump volute after operation to prevent freezing.
f.
Drain pump after use to prevent water in pump from freezing. Remove pump body drain plug (1). Remove
all fluid from pump body. Crank engine briefly to complete draining. Replace drain plug.
NOTE
The drain plug has a 1-5/16 inch square head and can be removed with a standard tool.
g.
Cover centrifugal pump unit with weather cover when not in use and shelter from weather, if possible.
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