6
4.4
Air Compressor Troublshooting Chart
CHART 2
Air Compressor Troubleshooting Chart
COMPLAINT
REASON
Low
Pressure
Overheating
or
Excessive
Excessive
Noise
Won't Start
Under Load
worn piston rings
X
worn rider rings
X
piston hitting
cylinder
dirty valves
X
bent valves
X
blown head
gasket
X
air blowing out
intake filter
dirty filters
X
low voltage
X
X
cylinder mis-
adjustment
piston hitting
intake valve
piston hitting
intake valve
X
leaky connections
X
relief valve set too
high
X
relief valve set too
low
X
wrong voltage
hook-up
X
X
X
dirt or liquid in top
of piston
X
X
X
X
