Troubleshooting - Chicago Electric 67648 Set Up And Operating Instructions Manual

problem
Tool will not start. 1.
2.
3.
Tool operates slowly. 1.
2.
Performance Carbon brushes worn or damaged.
decreases over time.
Excessive noise or Internal damage or wear. (Carbon
rattling. brushes or bearings, for example.)
Overheating. 1.
2.
3.
Tool does not grind, 1.
sand or wire brush
effectively.
2.
Follow all safety precautions whenever diagnosing or servicing the tool.
disconnect power supply before service.
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troubleshooting

possible causes
Cord not connected.
No power at outlet.
Internal damage or wear. (Carbon
brushes or switch, for example.)
Excess pressure applied to workpiece.
Power being reduced by long or small
diameter extension cord.
Forcing tool to work too fast.
Blocked motor housing vents.
Motor being strained by long or small
diameter extension cord.
Disc accessory may be loose on
Spindle.
Disc accessory may be damaged, worn
or wrong type for the material.
For technical questions, please call 1-800-444-3353.
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. Have technician service tool.
1. Decrease pressure, allow tool to do the
work.
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.
Have qualified technician replace brushes.
Have qualified 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.
1. Check tightness of Outer Flange Arbor Nut
or threaded disc accessory on Spindle. Be
sure disc accessory is of correct dimension
and Outer Flange Arbor Nut is tight.
2. Check condition and type of disc
accessory. Use only proper type of disc
accessory in good condition.
SKU 67648