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For pump maintenance, troubleshooting and/or repair, see Manual 308–781.
To reduce the risk of injury, follow the Pressure Relief Procedure on page 7.
System Troubleshooting
PROBLEM
Compressor does not start.
No material output from pump.
14
308–718
Pump Maintenance
Troubleshooting
WARNING
CAUSE
Trapped air pressure.
Improper power supply.
Tripped thermal overload in motor.
Not enough air pressure to pump.
Material too thick.
SOLUTION
Relieve air pressure by connecting
air hose and opening gun air valve.
Connect to power supply rated for
your sprayer.
Check extension cord. A maximum
length of 25 ft of 12 AWG or 50 ft of
10 AWG extension cord may be
used for 115 Vac, 15A. (A maximum
2
length of 8 m of 1.5 mm
2
2.5 mm
may be used for 230 Vac,
16A). Allow unit to cool down and
try again.
Note: Remove extension cord and
plug unit directly into outlet. If unit
operates correctly, this indicates an
extension cord problem.
Clean filter, air cooler and cooling
fan. Allow unit to cool down and try
again.
Have motor serviced.
Shut off air at the gun and increase
air pressure to the pump to maxi-
mum. Turn regulator clockwise to
increase.
Thin material. Material must be
mixed thoroughly to a consistency
that immediately folds back in as
you draw your finger through the
surface of the material.
or 15 m of
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