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Page 18 For technical questions, please call 1-800-444-3353. SKU 67648
Troubleshooting
Problem Possible Causes Likely Solutions
Tool will not start. Cord not connected.1.
No power at outlet. 2.
Internal damage or wear. (Carbon 3.
brushes or switch, for example.)
Check that cord is plugged in.1.
Check power at outlet. If outlet is 2.
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.
Have technician service tool.3.
Tool operates slowly. Excess pressure applied to workpiece. 1.
Power being reduced by long or small 2.
diameter extension cord.
Decrease pressure, allow tool to do the 1.
work.
Eliminate use of extension cord. If an 2.
extension cord is needed, use one with
the proper diameter for its length and load.
See Extension Cords in GROUNDING
section.
Performance
decreases over time.
Carbon brushes worn or damaged.
Excessive noise or
rattling.
Internal damage or wear. (Carbon
brushes or bearings, for example.)
Overheating. Forcing tool to work too fast.1.
Blocked motor housing vents. 2.
Motor being strained by long or small 3.
diameter extension cord.
Allow tool to work at its own rate.1.
Wear ANSI-approved safety goggles and 2.
while blowing dust out of motor using
compressed air.
Eliminate use of extension cord. If an 3.
extension cord is needed, use one with
the proper diameter for its length and load.
See Extension Cords in GROUNDING
section.
Tool does not grind,
sand or wire brush
effectively.
Disc accessory may be loose on 1.
Spindle.
Disc accessory may be damaged, worn 2.
or wrong type for the material.
Check tightness of Outer Flange Arbor Nut 1.
or threaded disc accessory on Spindle. Be
sure disc accessory is of correct dimension
and Outer Flange Arbor Nut is tight.
Check condition and type of disc 2.
accessory. Use only proper type of disc
accessory in good condition.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.