TROUBLESHOOTING CHART
'
Replace pressure switch.
D
Note: Troubleshooting problems
may
have slmllar causes
and
solutions.
Excessive starting and
stopping, while not
in
US0
Air leaks
from
regulator,
or regulator does
not
regulate pressure
Regulated ressure
gauge readlng drops
when alr accessory is
belng used.
[PROBLEM
Circuit breaker trips
(fuse blows) too often
Overheating
Motor stalls
POSSIBLE
CAUSE
/mug.,:'. Low pressure or not
Close
petcock.
rank
petcock
is
open
Zittings leak
Check fittings with
soa
water. Tighten
or
reseal leaking fittings.
DO
NOT
OVERTIGHT~N.
nOl
Clean
or
replace air filter element
Restricted air intake
Prolonged excessive use
of
air
Compressor not large enough
Decrease amount
of air used.
Check air requirement of
accessory.
If
it is higher than CFM and
host
accessories are rated at 25% of actual CFM while running
conbnuouslv.
ressure supplied by compressor, you need a larger compressor.
~ ~~
Restricted check valve
Hole
in air hose
Tank leaks
Remove and dean
or
replace.
Check and replace
if
necessary.
~
Immediately replace tank. DO NOT attempt to repair.
~~
Blown seals
Valve leaks
Leaking or wom piston
seal
Fittings leak
Replace any faulty
seals.
Replace wom parts and reassemble with new seals.
Replace
piston
and cylinder sleeve
assemblies.
Check fittin
s
with soa
water. Tighten
or
reseal leaking fittings.
DO
NOT
O~ERTIGHT~N.
Replace wom parts and reassemble with new seals.
Replace any faulty
seals.
Clean
or
replace regulator
or
intemal parts.
Dirty
or
damaged regulator
intemal parts.
This is normal
If
pressure drops
too
low, adjust regulator while
accessory
is
used.
Compressor not large enough
Check air requirement
of
accessory.
If
it
is higher than CFM and
host
accessories are rated at 25% of actual CFgwhile running
conbnuously.
ressure supplied by compressor, you need a la er compressor.
Fumish
adequate power,
If
using extension
cord,
try
without.
Consult electriaan.
Contact authorized service center.
Replace check valve.
Low
voltaae
Excessive wire length
Restricted air passages
Back pressure in pump head
~
Relocate comrxessor
to
an
area with
cod.
drv and well-circulated air
Poor ventilation
Clean
ail
cooling surfaces
of
pump and motor thoroughly.
Replace wom parts and reassemble with new seals.
Fumish adequate Dower.
Dirty cooling surfaces
Leaking valve
Low voltage
~~
Defective pressure switch ble&
ValW
Tank pressure exceeded nmal
operating
pressure
Rephce bleeder valve.
Pressure relief valve
opens
Pressure switch
stuck
ON
I
200-2
129
15
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