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PROBLEM CAUSE SOLUTION
The motor
won’t start.
1) Low voltage
2) Loose connections or open circuit in the
motor.
3) Blown fuse/breaker.
1) Make sure the power source is providing the
proper voltage.
2) Inspect the motor for loose or open connec-
tions. Send for servicing if found.
3) Replace the fuse or reset the breaker
The motor is
getting way too
hot.
1) Overloaded motor
2) Extension cord too long or not thick
enough.
1) Reduce load on the motor.
2) Utilize an extension cord with an appropri-
ate gauge and length (or plug the tool directly
into the outlet if possible).
The motor stalls,
causing a blown
fuse or tripped
circuit.
1) Loose connections or short circuit in the
motor.
2) Low voltage.
3) Incorrect fuses or circuit breakers in the
power line.
4) Overloaded motor.
1) Check the connections on the motor for
loose or shorted terminals/worn insulation.
Send for servicing if found.
2) Fix voltage supply; possibly an issue with the
extension cord or possibly the power source.
3) Install the correct fuses or circuit breakers.
Plug tool into an appropriate circuit, matched
with an appropriate fuse/breaker.
4) Reduce the load.
Stropping wheel
performance
decreases
1) Insufficient wheel preparation (lack of oil
and paste)
2) Damaged wheel
1) Prepare the wheel
2) Change out the wheel
Wavy condition
on the surface of
a workpiece
1) Machine is vibrating
2) Workpiece isn’t held in place firmly
3) Wheel face uneven
1) Make sure the machine is securely posi-
tioned on a level surface.
2) Use a holding device to firmly retain the
workpiece.
3) Dress the grinding wheel.
Machine runs
too loud during
operation.
Lack of lubricating grease Add lubricating grease to the gear.
TROUBLESHOOTING
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