19
20
To check safety valve
WARNING!
Risk of bursting. If the safety valve does not work properly, over-pressurization
may occur, causing air tank rupture or an explosion.
•
Before starting compressor, pull the ring on the safety valve (D) to make sure that
the safety valve operates freely. If the valve is stuck or does not operate smoothly,
contact a trained service technician.
To drain tank
NOTE:
Allow unit to cool before draining tank. Drain valve (I) becomes hot during operation.
1.
Set the pressure switch (C) to the
OFF
position.
2.
Unplug the power cord (K).
3.
Turn air pressure regulator knob (E) counter-clockwise to set the outlet pressure to zero.
4.
Pull and hold ring on safety valve (D), allowing air to bleed from the tank until air pressure is
minimized.
5.
Place suitable container under unit to catch water.
6.
Slightly tilt unit and turn drain valve (I) counter clockwise to open.
WARNING!
Risk of bursting. Water will condense in the air tank. If not drained, water will
corrode and weaken the air tank, causing a risk of air tank rupture.
7.
After the water has been drained, close the drain valve (I) (clockwise). The air compressor can now be stored.
WARNING!
If any of the following symptoms appears while operating the product, stop using the
product immediately, or serious personal injury could result. Only an authorized service centre should
perform repairs on this product.
Disconnect the electrical plug and disconnect any tools from air supply before attempting any adjustment.
NOTE:
Troubleshooting problems may have similar causes and solutions.
PROBLEM
POSSIBLE CAUSES
SOLUTIONS
The motor
will not run or
start.
The power cord is not plugged in.
Plug the power cord into a grounded outlet.
The pressure switch is in the
OFF
position.
Set the pressure switch to the
ON
position.
The extension cord is the wrong wire
gauge or is too long.
Check
Technical Specifications
(page 3) for the proper
wire gauge and cord length.
The motor’s thermal overload
protection has tripped.
Turn the air compressor off, unplug the power
cord and wait until the motor has cooled
down. Plug in the power cord only after the
motor has cooled down. Wait at least
five minutes to make sure the thermal overload
protector has recovered.
A fuse has blown or a circuit breaker
has been tripped.
Replace the fuse or reset the circuit breaker.
Verify that the fuse has the proper amperage.
Check for low voltage conditions.
Disconnect any other electrical appliances from the
circuit or operate the compressor on a dedicated
circuit.
The air tank pressure exceeds the
preset pressure switch limit.
The motor will start automatically when the tank
pressure drops below the cut-in pressure.
The safety valve is stuck open.
Clean or replace the safety valve.
Electrical connections are loose.
Have the compressor serviced by a qualified
technician.
The motor, capacitor or safety valve
is defective.
Have the compressor serviced by a qualified
technician.
The motor
runs
continuously
when the
pressure
switch is in the
ON
position.
The pressure switch does not shut off
the motor when the air compressor
reaches the cut-out pressure and the
safety valve activates.
Set the pressure switch to the
OFF
position. If the
motor does not shut off, unplug the air compressor. If
the pressure switch is defective, replace it.
The compressor’s capacity is not
enough.
Check the air requirements of the accessory that is
being used. If it is higher than the SCFM (
Standard
Cubic Feet per Minute
, page 3) and pressure supplied
by the compressor, a larger capacity air compressor is
needed. Most accessories are rated at 25% of actual
SCFM while running continuously.
TROUBLESHOOTING
MAINTENANCE (cont.)
058-7949-6-Air-Compressor-5G-EN-05.indd 19-20
5/14/12 11:14 AM
