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Note: Troubleshooting problems may have similar causes and solutions.
PROBLEM
Low pressure or not
enough air
or
Compressor does not
stop
Excessive starting and
stopping, while not in
use
Air leaks from regulator,
or regulator does not
regulate pressure
Regulated pressure
gauge reading drops
when air accessory is
being used
Circuit breaker trips
(fuse blows) too often
Overheating
Motor stalls
18
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TROUBLESHOOTING CHART
POSSIBLE CAUSE
Tank petcock is open
Fittings Leak
Restricted air intake
Prolonged excessive use of air
Compressor not large enough
Restricted check valve
Hole in air hose
Tank leaks
Valve leaks
Fittings leak
Dirty or damaged regulator
internal parts.
This is normal
Compressor not large enough
Low voltage
Excessive wire length
Restricted air passages
Back pressure in pump head
Poor ventilation
Dirty cooling surfaces
Leaking valve
Low voltage
Defective pressure switch
bleeder valve
SOLUTION
Close petcock
Check fittings with soapy water. Tighten or reseal leaking fittings.
DO NOT OVERTIGHTEN.
Clean or replace air filter element.
Decrease amount of air used.
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.
Remove and clean or replace.
Check and replace if necessary.
:
Immediately replace unit. DO NOT attempt to
WARNING
repair.
Replace worn parts and reassemble.
Check fittings with soapy water. Tighten or reseal leaking fittings.
DO NOT OVERTIGHTEN.
Replace worn parts and reassemble with new seals.
Replace regulator.
If pressure drops too low, adjust regulator while accessory is used.
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.
Furnish adequate power. If using extension cord, try without.
Consult electrician.
Contack authorized service center.
Replace check valve, pressure switch, bleeder valve.
Relocate compressor to an area with cool, dry and well-circulated
air.
Clean all cooling surfaces of pump and motor thoroughly.
Replace worn parts and reassemble with new seals.
Furnish adequate power.
Replace pressure switch bleeder valve.
200-2557
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