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Page 13For technical questions, please call 1-800-444-3353.SKU 68169
Troubleshooting
Problem Possible Causes Likely Solutions
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Internal damage or wear. (Carbon
brushes or switch.)
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.
Tool operates
slowly.
Extension cord too long or wire size too
small.
Eliminate use of extension cord. If an extension
cord is needed, use shorter/heavier gauge cord.
See Extension Cords in GROUNDING section.
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 qualied technician replace brushes.
Excessive noise
or rattling.
Internal damage or wear. (Carbon
brushes or bearings, for example.)
Have technician service tool.
Overheating. 1. Forcing tool to work too fast.
2. Bit dull or damaged.
3. Blocked motor housing vents.
4. Motor being strained by long or small
diameter extension cord.
5. Improper internal parts lubrication.
1. Allow tool to work at its own rate.
2. Keep bit 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 Extension Cords in
GROUNDING section.
5. Have a qualied technician service the tool using
ONLY white lithium grease.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.