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TROUBLES) OOTING CHART
Note: Troubleshooting problems may have similar
causes
and solutions.
]PROBLEM
POSSiBLE
CAUSE
Close petcock.
Tank petcock is open
Fittings leak
Check fittin s with soa
water. Tighten or reseal leaking fittings.
DO NOT
O~ERTIGHTPN.
or
Compressor does not
Restricted air intake
Clean
or
replace air filter element.
stop
Prolonged excessive use of air
Decrease amount of air used.
Compressor not large enough
Check air requjrement of accessory. If it is higher than CFM and
bost
accessories are rated at
25% of
actual CFhfwhile running
continuously.
ressure supplied by compressor, you need a lar er compressor.
Remove and dean or replace.
Restricted check valve
Hole in air hose
Check and replace if necessary.
Immediately replace tank. DO NOT attempt
to
repair.
Tank leaks
Blown seals
Valve leaks
Replace any faulty seals.
Replace worn parts and reassemble with new seals.
Replace piston and cylinder sleeve assemblies.
Check fittin
s
with soap water Tighten
or
reseal leaking fittings.
DO NOT O~ERTIGHT~N.
'
Leaking or worn piston seal
Fittings leak
Excessive starting and
I
stopping, while not in
Replace wom parts and reassemble with new seals.
Replace any faulty seals.
Clean
or
replace regulator or intemal parts.
Dirty or damaged regulator
internal
parts.
Air leaks from regulator,
or regulator does not
regulate pressure
This is normal
If pressure drops too low, adjust regulator while accessory is
used.
Regulated ressure
gauge reaing drops
when air accessory is
being used.
Circuit breaker trips
(fuse blows) too often
Overheating
Motor stalls
Pressure relief valve
opens
Compressor not large enough
Check air requirement of accessory. If it is higher
than
CFM and
r s s u r e supplied by compressor, you need a lar er compressor.
ost accessories are rated at
25%
of actual CFawhile running
continuously.
Furnish adequate power.
If
using extension cord,
try
without.
Low voltage
Consult elecbiaan.
Contact authorized service center.
Excessive wire length
Restricted air passages
Back pressure in pump head
Poor ventilation
Replace check valve.
Relocate compressor
to
an area with cod, dry and well-circulated air.
Dirty cooling surfaces
Leaking valve
Clean
all
cooling surfaces of pump and motor thoroughly.
Replace worn parts and reassemble with new seals.
Low voltage
Furnish adequate power.
Defective pressure switch bleeder
Valve
Tank pressure exceeded normal
operating pressure
Pressure switch stuck ON
Replace bleeder valve.
Replace pressure switch.
200-2 726
15
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