Section II. OPERATION UNDER UNUSUAL CONDITIONS
c. Inspect air cleaners and oil reservoirs
2-3. Operation in Extreme Heat.
a. Locate the air compressor unit in a well
ventilated area. Always keep side housing doors open
during operation to promote good air circulation. Make
2-6. Operation in High Altitudes.
certain there are no obstructions preventing air
circulation through oil cooler and radiator.
b. Keep engine cooling system clean and full
Check unit frequently for overheating
of coolant. Check coolant level and inspect cooling
of engine during high altitude
system often. Report any leaks or other malfunctions to
This air compressor unit operates satisfactorily at high
c. Keep air compressor unit lubricated in
However, since barometric pressure (air
density) decreases as altitude increases, a slight loss of
compressor efficiency may be noticed. This is a normal
d. Check electrolyte level in battery often.
condition and cannot be prevented.
Fill or remove electrolyte as required.
2-7. Operation in Dusty or Sandy Areas. A highly
contaminated dusty or sandy area places an extra load
on the air cleaners, oil filters, engine, and compressor.
2-4. Operation in Extreme Cold (Below 0 F (-17.8
This condition may increase wear and maintenance.
Servicing of the equipment should be performed at
a. Ensure that antifreeze solution is correct for
shorter intervals as inspection reveals the presence of
lowest temperature anticipated. Refer to table 2-1 for
b. Inspect cooling system for evidence of leaks.
Correct or report any defect to organizational
Do not operate air compressor unit in
an enclosed or sheltered area unless
the exhaust gases are piped outside.
c. Keep battery fully charged. After adding water
Failure to do so could result in
to battery, run engine for at least one hour.
serious illness or death.
d. Keep fuel tank full when unit is not in operation.
a. Locate the air compressor unit in a
sheltered area if possible. Pipe exhaust gases outside
and tank capacity.
of sheltered area.
e. Lubricate the air compressor unit in accordance
b. Keep the entire unit as clean as possible.
Check the oil cooler and radiator frequently for build-up
of any obstruction.
f. Allow engine to reach operating temperature
before applying compressor load.
c. Lubricate the unit at more frequent
intervals, as inspection will dictate, in accordance with
2-5. Operation Under Rainy or Humid Conditions.
a. Wipe dry all exposed areas frequently.
b. Cover air compressor unit when not
in use, after
unit has cooled to approximately ambient temperature.
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