TM 5-4220-211-12&P
Section IV
TROUBLESHOOTING
4-6.
COMPRESSOR. Identification of major symptoms, probable causes and recommendations for corrective action
for the compressor are contained in Table 4-3.
Table 4-3. COMPRESSOR TROUBLESHOOTING
Symptom
Probable Cause
Correction
Compressor Noisy
Low Oil Level
Add Oil
Loose Flywheel
Tighten Flywheel
Worn Drive Belts
Replace Worn Belts
Compressor Runs Hot
Ambient Conditions too Hot
Move Compressor to
Cooler Location
Inlet or Discharge
Clean and Inspect
Valves Leaking
Valves-Replace
Worn Parts
Cooling Air Obstructed
Clean Obstruction
Cooling Fins Clogged
Clean Cooling Fins
Intercooler or After-
Clean Intercooler &
cooler Tube Fins Dirty
Aftercooler Tubes
Drive Belt Slipping
Adjust Drive Belt
Inlet Air Cleaner Clogged
Clean or Replace
Air Cleaner Element
Compressor Pressure
Air Leaks At Lines
Tighten Loose
too Low
and Fittings
Connection
Worn Pistons/Piston Rings
Replace Worn Parts
Air Leaks in Intercooler
Replace Defective
Coolers
or Aftercooler Tubes
Condensate Drain Valves
Tighten Valves-
or Fittings Leaking
Replace Defective Parts
Safety Valves Opening
Replace Defective
too Soon
Safety Valves
4-11
