SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Motor & Electrical

Symptom

 

Possible Cause

 

Possible Solution

Motor will not start.

1.

Low voltage.

 

 

1.

Check power line voltage and correct if necessary.

 

 

 

 

2.

Open circuit in motor or loose connec-

2.

Inspect all motor connections for loose or open connec-

 

 

 

 

 

tions.

 

 

 

tions.

 

 

 

 

 

 

Motor will not start;

1.

Short circuit in line cord or plug.

 

1.

Inspect cord and plug for damaged insulation or shorted

fuses

or

circuit

 

 

 

 

 

wires.

breakers blow.

 

2.

Short circuit in motor or loose connec-

2.

Inspect all motor connections for loose or shorted termi-

 

 

 

 

 

 

 

 

 

tions.

 

 

 

nals or worn insulation.

 

 

 

 

3. Incorrect fuses

or circuit breakers

in

3.

Install correct fuses or circuit breakers.

 

 

 

 

 

power line.

 

 

 

 

 

 

 

 

 

 

Motor overheats.

1.

Motor overloaded.

 

1.

Reduce load on motor.

 

 

 

 

 

 

Motor stalls (result-

1.

Motor overloaded.

 

1.

Reduce load on motor.

ing in blown fuses

2.

Short circuit in

motor or loose connec-

2.

Inspect connections on motor for loose or shorted termi-

or tripped circuit).

 

tions.

 

 

 

nals or worn insulation.

 

 

 

 

 

 

 

 

 

 

 

 

3.

Low voltage.

 

 

3.

Check power line voltage and correct if necessary.

 

 

 

 

4. Incorrect fuses

or circuit breakers

in

4.

Install correct fuses or circuit breakers.

 

 

 

 

 

power line.

 

 

 

 

 

 

 

 

 

 

 

Machine

slows

1.

Workpiece pressure is too great.

 

1.

Reduce workpiece pressure on spindle.

when operating.

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine

vibrates

1.

Machine not secured to workbench.

 

1.

Secure machine to workbench.

excessively.

 

2.

Incorrect motor mounting.

 

2.

Check⁄adjust motor mounting.

 

 

 

 

 

 

Sanding Operations

 

 

 

 

 

 

 

 

 

 

 

Deep

 

sanding

1.

Sanding sleeve too coarse for the desired

1.

Use a finer grit sanding sleeve.

grooves or scars in

 

finish.

 

 

 

 

workpiece.

 

2. Workpiece sanded across the grain.

 

2. Sand with the grain.

 

 

 

 

 

 

 

 

 

3. Too much sanding force on workpiece.

 

3. Reduce pressure on workpiece while sanding.

 

 

 

 

 

 

 

Grains

rub off

the

1.

Sanding sleeve has been stored in an

1.

Store sanding sleeve away from extremely dry or hot

sanding sleeve.

 

 

incorrect environment.

 

 

temperatures.

 

 

 

 

2. Sanding sleeve has been folded

or

2.

Store sanding sleeves separately and not folded or flat.

 

 

 

 

 

smashed.

 

 

 

 

 

 

 

 

 

 

Sanding

surfaces

1.

Too much pressure against sleeve.

 

1. Reduce pressure on workpiece while sanding.

clog

quickly

or

2.

Sanding softwood.

 

2.

Use different stock. Or, accept the characteristics of the

burn.

 

 

 

 

 

 

 

 

stock and plan on cleaning⁄replacing belts frequently.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G0538 Oscillating Spindle Sander

 

 

 

-17-

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Grizzly G0538 owner manual Service, Troubleshooting, Symptom Possible Cause Possible Solution