Troubleshooting - Chicago Electric 61778 Owner's Manual & Safety Instructions

Troubleshooting

problem
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Tool's thermal reset breaker
tripped (if equipped).
4. Internal damage or wear. (Carbon
brushes or switch, for example.)
Tool operates Extension cord too long or
slowly. wire size too small.
Performance 1. Accessory dull or damaged.
decreases
over time.
2. Carbon brushes worn or damaged.
Excessive noise Internal damage or wear. (Carbon
or rattling. brushes or bearings, for example.)
Overheating. 1. Forcing machine to work too fast.
2. Accessory dull or damaged.
3. Blocked motor housing vents.
4. Motor being strained by long or
small diameter extension cord.
Motor turns Adjustment Cylinder's inner
on, but wheel flats are not even with the outer
does not spin flats of the Drive Spindle
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Item 61778
possible Causes
For technical questions, please call 1-888-866-5797.
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.
Eliminate use of extension cord. If an extension cord
is needed, use one with the proper diameter for its
length and load. See Table A on page 3.
1. Keep cutting accessories sharp.
Replace as needed.
2. Have qualified technician replace brushes.
Have technician service tool.
1. Allow machine to work at its own rate.
2. Keep cutting accessories sharp.
Replace as needed.
3. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while
blowing dust out of motor using compressed air.
4. Eliminate use of extension cord.
If an extension cord is needed, use one with
the proper diameter for its length and load.
See Table A on page 3.
Even out the Adjustment Cylinder's (4) inner
flats with the outer flats of the Drive Spindle (11)
as described in "Changing the Wheel".
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