TM 5-4310-452-14
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Paragraph
Page
Number
Title
Number
2-17
General .............................................................................................................................. 2-26
2-18
Operation in Dusty or Sandy Areas, or Extreme Dry Heat ................................................... 2-26
2-19
Operation in Extreme Heat and High Humidity ................................................................... 2-26
2-20
Operation in Extreme Cold, Snow, or Mud ......................................................................... 2-27
2-21
Operation in Salt Air and Sea Spray ................................................................................... 2-30
2-22
Operation at High Altitudes ................................................................................................ 2-30
2-23
Fording .............................................................................................................................. 2-30
2-24
Emergency Operations ....................................................................................................... 2-31
2-17. GENERAL.
This section contains instructions for safely operating the 250 CFM Trailer-Mounted Compressor Unit under unusual
conditions. In addition to normal preventive maintenance, special care must be taken to keep the compressor unit
operational in extreme temperatures and other environmental conditions.
2-18. OPERATION IN DUSTY OR SANDY AREAS, OR EXTREME DRY HEAT.
a.
In dusty or sandy areas, you must guard against dust or sand getting into the unit.
b.
Notify your supervisor to lubricate, change oil more often, and maintain proper oil levels (see LO 5-4310-452-12).
c.
Frequently clean all filter caps and ensure that filter caps are secure.
d.
Clean engine and compressor air filters as needed (see paragraph 3-4).
e.
Frequently check compressor oil temperature gage.
f.
Notify your supervisor to have the engine and compressor oil filters changed as needed (see LO 5-4310-452-
12).
g.
Notify your supervisor to have the engine crankcase oil drained and refilled when the ambient temperature goes
above 80°F (27°C) (see LO 5-4310-452-12).
h.
Keep the governor control cylinder rod clean.
i.
Frequently check cooling fan belts for wear and proper tightness.
j.
Keep the engine cooling fins and cooling fans clean and unobstructed (see paragraph 3-5).
2-19. OPERATION IN EXTREME HEAT AND HIGH HUMIDITY.
a.
Check oil levels in engine and oil separator tank often (see LO 5-4310-452-12).
b.
Drain fuel/water separator whenever water is visible in the sightbowl (see paragraph 3-6).
c.
Frequently check cooling fan belts for wear and proper tightness.
d.
Frequently check compressor oil temperature gage.
2-26
