Troubleshooting

Symptom

Possible Cause

 

 

 

Possible Solution

 

 

 

 

 

 

 

Motor will not start.

1. Low voltage.

 

 

 

 

1. Check power line for proper voltage.

 

2. Open circuit in motor or loose connec-

2. Inspect all lead connections on motor

 

tions.

 

 

 

 

for loose or open connections.

 

 

 

 

Motor will not start; fuses or circuit break-

1. Short circuit in line cord or plug.

 

1. Repair or replace cord or plug for dam-

ers blow.

 

 

 

 

 

aged insulation and shorted wires.

 

 

 

Motor fails to develop full power (output

1. Power line overloaded with lights, appli-

1. Reduce load on power line.

of motor decreases rapidly with decrease

ances, and other motors.

 

 

 

 

in voltage at motor terminals).

2. Undersized wires or circuits too long.

2. Increase wire sizes or reduce length of

 

 

 

 

 

 

 

the circuit.

 

3. General overloading of power company

3. Request a power check from the power

 

facilities.

 

 

 

 

company.

 

 

 

 

 

 

Motor overheats.

1. Motor overloaded.

 

 

 

1. Reduce load on motor.

 

2. Air circulation

through

the

motor

2. Clean out motor to provide normal air

 

restricted.

 

 

 

 

circulation.

 

 

 

Motor stalls (resulting in blown fuses or

1. Short circuit in motor or loose connec-

1. Repair or replace connections on motor

tripped circuit).

tions.

 

 

 

 

for loose or shorted terminals or worn

 

 

 

 

 

 

insulation.

 

2. Low voltage.

 

 

 

 

2. Correct the low voltage conditions.

 

3. Incorrect fuses

or circuit

breakers

in

3. Install correct fuses or circuit breakers.

 

power line.

 

 

 

 

 

 

4. Motor overloaded.

 

 

 

4. Reduce load on motor.

 

 

 

 

 

Vibration when running or cutting.

1. Loose or damaged sanding

belt

or

1. Tighten or replace sanding belt or

 

sponge drum.

 

 

 

 

sponge drum.

 

2. Worn arbor bearings.

 

 

 

2. Check/replace arbor bearings.

 

3. Damaged arbor shaft.

 

 

 

3. Replace the arbor shaft.

 

 

 

 

 

 

 

Disconnect power to the machine when perform- ing any troubleshooting. Failure to do this may result in serious person- al injury.

G0565 Adjustable Sponge Sander

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Grizzly G0565 instruction manual Troubleshooting, Symptom Possible Cause Possible Solution