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V1.0
Single-Phase Electric Air Compressor
9033895
Visit www.princessauto.com for more information
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6. Leaking head
gasket
7. Dirty or
plugged inter
cooler tubes
8. Pressure switch
adjusted too
low or
defective
9. Worn or
defective
compressor
valves
10. Worn piston or
worn out rings
11. Restricted
check valve
6. Replace head
gasket
7. Remove and
clean inter
cooler tubes
8. Make necessary
adjustments
9. Replace valves
10. Replace worn
parts
11. Clean check
valve and
replace if
necessary
Motor stalls or
blows breaker
1. Faulty check
valve
2. Valves
incorrectly
installed
3. Drive belts
too tight
4. Defective
pressure switch
5. Defective motor
6. Power being
supplied by
generator
1. Replace check
valve
2. Install valves
correctly
3. Adjust belt
tenstion
4. replace switch
5. Replace motor
(consult with
electrician)
6. Consult
electrician
Water in
crankcase, oil
gets dirty,
rusty valves or
1. Cycle too
short
compression
1. Allow for
longer
operating
cycle