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Item 62216
Sa
Fety
Opera
ti
O
n
Maintenance
Setup
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, 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� Have technician service tool�
Tool operates slowly� 1� Excess pressure applied
to workpiece�
2� Power being reduced by long or
small diameter extension cord�
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�
Performance
decreases over time�
Carbon brushes worn or damaged�
Have qualified 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� Blocked motor housing vents�
3� Motor being strained by long or
small diameter extension cord�
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�
Tool does not
grind, sand or
brush effectively�
Accessory damaged, worn or
wrong type for the material�
Check condition and type of disc 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.
