Advertisement
d. To clean old carbon brushes before reusing
them, rub the contact areas with a pencil eraser.
e. Reinsert the old carbon brushes in the
same orientation to reduce wear.
f. When installing, make sure the carbon portions
of the brushes contact the motor armature,
and that the springs face away from the motor.
Also, make sure the springs operate freely.
g. Replace the Carbon Brush
Covers. Do not overtighten.
Note: New carbon brushes tend to
spark when first used until they wear and
conform to the motor's armature.
Troubleshooting
problem
Tool will not start.
1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset breaker
4. Internal damage or wear.
Tool operates slowly. 1. Forcing tool to work too fast.
2. Extension cord too long or cord
Performance
Carbon brushes worn or damaged.
decreases over time.
Excessive noise
Internal damage or wear. (Carbon
or rattling.
brushes or bearings, for example.)
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by long or
Weld does not
1. Insufficient weld heat.
penetrate joint.
2. Incorrect fill material.
Plastic starts
Too much weld heat.
to break down,
smoke, or burn.
Unsatisfactory weld. Potentiometer not properly adjusted. Refer to the plastic material manufacturer's manual
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Page 10
possible causes
tripped (if equipped).
(Carbon brushes or
Trigger, for example.)
diameter too small.
small diameter extension cord.
For technical questions, please call 1-888-866-5797.
3. AFTER USE, wipe external surfaces
of the tool with clean cloth.
4. Always store the tool in a clean, dry,
safe location out of reach of children
and other unauthorized people.
cAUTION! All maintenance, service, and repairs
not mentioned in this manual must only be
performed by a qualified service technician.
5.
WARNING! If the supply cord of this
power tool is damaged, it must be replaced
only by a qualified service technician.
Likely Solutions
1. Check that cord is plugged in.
2. Check power at outlet. If outlet is unpowered,
turn off tool and check circuit breaker.
If breaker is tripped, make sure circuit is right
capacity for tool and circuit has no other loads.
3. Turn off tool and allow to cool.
Press reset button on tool.
4. Have technician service tool.
1. Allow tool to work at its own rate.
2. Eliminate use of extension cord. If an extension
cord is needed, use one with the proper diameter
for its length and load. See Extension Cords
in Grounding section on page 5.
Have qualified technician replace brushes.
Have technician service tool.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while
blowing dust out of motor using compressed air.
3. Eliminate use of extension cord. If an extension
cord is needed, use one with the proper diameter
for its length and load. See Extension Cords
in Grounding section on page 5.
1. Increase potentiometer setting slightly.
2. Make sure that fill material is appropriate
for material being welded.
Make sure to have adequate ventilation.
Decrease potentiometer setting slightly.
to determine the proper heat required. Then set
the Potentiometer to the proper heat setting.
Item 96712
Advertisement
