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Item 68221
SAFET
y
Op
ERA
TION
M
AINTENANCE
SETU
p
Troubleshooting
problem
possible Causes
Likely Solutions
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.)
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.
Tool operates
slowly.
Extension cord too long or
wire size too small.
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.
Performance
decreases
over time.
1. Accessory dull or damaged.
2. Carbon brushes worn or damaged.
1. Keep cutting accessories sharp.
Replace as needed.
2. Have qualified technician replace brushes.
Excessive noise
or rattling.
1. Internal damage or wear. (Carbon
brushes or bearings, for example.)
1. Have technician service tool.
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.
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.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
