TM 5-4310-367-14
d. Take adequate precautions to prevent sand and
e. Allow engine to reach normal operating tempera-
ture before applying load.
dirt from entering the fuel tank. Service the fuel
strainer as often as necessary to keep the bowl
f. For additional information on operation in ex-
free from dirt or sand. Clean the engine air cleaner
treme cold conditions refer to FM 9-207.
more often than usual.
2 - 9 . OPERATION UNDER RAINY OR HUMID CONDI-
TIONS.
2-7. OPERATION IN EXTREME HEAT.
a. Protect the unit with a shelter, keeping the sides
open for ventilation.
a. Lubricate the air compressor in accordance with
b. Make sure all surfaces requiring lubrication are
clean and dry before applying lubricant. Lubricate
b. Check the drive-belt tension frequently, Improper
drive-belt tension often results in over-heating.
the unit in accordance with figure 3-1.
c. Coat exposed polished or machined metal surfaces
c. Locate the air compressor in an operating area
that is well ventilated or provide intake and ex-
with a suitable rustproof material after first remov-
ing any accumulations of rust.
haust fans to ventilate in closed areas.
d. Fill the fuel tank at the end of each day's opera-
d. Open the draincock frequently to blow condensate
from the air receiver tank.
tion, especially in areas where the temperature
drops sharply at night. This will prevent conden-
e. Service the engine air cleaner more frequently.
sation from forming in the fuel tank.
2-10. OPERATION IN SALTWATER AREAS.
e. Keep the engine clean. Service the engine air
cleaner as often as necessary.
a. Wipe the unit dry at frequent intervals, with
particular emphasis on the engine.
b. If the unit becomes encrusted with salt, wash it
with fresh water, taking care not to damage the
2-8. OPERATION IN DUSTY OR SANDY AREAS.
electrical system with water.
a. Lubricate the air compressor in accordance with
c. Make sure all surfaces requiring lubrication are
clean and dry before applying lubricant. Lubri-
are free from dirt and sand before applying lubri-
cate the unit in accordance with figure 3-1.
cant. Keep all lubricant containers clean and
tightly closed. Do not lubricate excessively as
d. Coat exposed polished or machined metal surfaces
dirt and sand will adhere to excess lubricant and
with a suitable rustproof material after first remov-
may work into moving parts. Wipe off all lubri-
ing any accumulation of rust.
cation points after lubricating.
2-11. OPERATION AT HIGH ALTITUDES<
b. Protect the air compressor from dust with screens,
shelters, built from tarpaulin, or other dustproof
The air compressor is designed to operate efficiently at
material. Keep the unit covered when not in use.
elevations up to 5,000 feet. There will be a reduction in
efficiency because of the rarified air at this level. This is a
c. Clean the compressor air cleaner more often than
normal condition that cannot be prevented.
when operating under normal conditions.
2-10
