pro.point 8475006 - Page 13

60 Gallon Single Stage Stationary Air Compressor
13Visit www.princessauto.com for more information
8475006
V 1.6
Problem(s) Possible Cause(s) Suggested Solution(s)
Regulated
pressure gauge
reading drops
when air accessory
is beingused.
1. This is normal.
2. Compressor not
large enough.
1. If pressure drops too low, adjust air
tool regulator while accessory is used.
2. Check air requirement of accessory.
If it is higher than CFM and pressure
supplied by compressor, you need a
larger compressor. Most accessories
are rated at 25% of actual CFM while
running continuously.
Pressure relief
valveopens.
1. Tank pressure exceeded
normal operating pressure.
2. Pressure switch stuck.
1. Replace pressure switch.
2. Replace pressure switch.
Motor will notrun. 1. Tank pressure exceeds
preset pressure
switchlimit.
2. Check valve stuckopen.
3. Wrong wire gauge in
power line.
4. Loose electrical
connections.
5. Paint spray on internal
motorparts.
6. Possible defective motor.
1. Motor will start automatically when
tank pressure drops below
cut-in pressure of
pressure tank.
2. Remove and clean
or replace.
3. Check for proper gauge for
distance between power source
andcompressor.
4. Contact Princess Auto Ltd. for
asolution.
5. Have checked at service center. Do
not operate compressor in the paint
sprayarea.
6. Contact Princess Auto Ltd. for
asolution.
Excessive current
draw trips
circuitbreaker.
1. Low voltage/
motor overload.
2. Drive belt too tight.
3. Restricted air passages.
1. Check that power supply is adequate
and that compressor is on a
dedicated circuit.
2. Readjust belt tension.
3. Inspect and replace transfer tubes or
check valve, asrequired.
Compressor stalls. 1. Low voltage motor.
2. Bad check valve.
3. Seized pump.
1. Furnish adequate power.
2. Replace the check valve.
3. Contact Princess Auto Ltd. for
asolution.
Compressor
pump knocking.
1. Loose engine pulley or
compressor flywheel.
2. Low oil level in
pumpcrankcase.
3. Excess carbon on valves
or top ofpiston.
1. Retighten pulley and flywheel.
Checkalignment.
2. Keep oil at proper level at alltimes.
3. Contact Princess Auto Ltd.
for a solution.
Oil in dischargeair. 1. Worn piston rings
orcylinder.
2. Restricted air intake.
3. Oil level too high.
1. Contact Princess Auto Ltd.
for a solution.
2. Clean or replace the air
filterelement(s).
3. Reduce to proper level.