TROUBLE SHOOTING

PROBLEM

 

POSSIBLE CAUSE

 

SOLUTION

 

 

 

 

 

Sander will not start.

1.

Fuse blown or circuit breaker

1.

Replace fuse or reset circuit

 

tripped.

breaker.

 

2.

Cord damaged.

2.

Have cord replaced by qualified

 

 

 

electrician.

 

 

 

 

 

Overload kicks out frequently.

1.

Extension cord too light or too

1.

Replace with adequate size

 

long.

cord.

 

2.

Excessive bite or feed pressure

2.

Allow sanding belt to cut freely -

 

too great.

do not force.

 

3.

Motor not wired for correct

3.

Refer to motor name plate for

 

voltage.

correct wiring.

 

 

 

 

 

Sanding belt does not come up to

1.

Extension cord too light or too

1.

Replace with adequate size

speed.

long.

cord.

 

2.

Low (house) current.

2.

Conact a qualified electrician.

 

3.

Motor not wired for correct

3.

Refer to motor name plate for

 

voltage.

correct wiring.

 

4.

Excessive bite or feed pressure

4.

Allow abrasive belt to cut freely -

 

too great.

do not force.

 

 

 

 

Machine vibrates excessively.

1.

Stand or bench on uneven floor.

1. Reposition on flat level surface.

 

2.

Improper motor mounting.

Fasten to floor if necessary.

 

2.

Check and adjust motor

 

3.

Sanding belt not tensioned

mounting.

 

3.

Tensioning of belt is

 

correctly.

accomplished through the knob

 

 

 

that controls the spring. Make sure

 

 

 

knob is released so the full tension

 

4.

The spring for tension

of the spring is working.

 

4.

Replace with new spring.

 

mechanism is fatigued or broken.

 

 

 

5.

Contact wheel is too loose.

5.

Tighten cap screw in motor

 

6.

Sanding belt broken.

shaft.

 

6.

Replace with new sanding belt.

 

7.

Bad sanding belt.

7.

Replace with new sanding belt.

 

 

 

 

Inadequate job on metal.

1. Wrong sanding belt.

1.

Use aluminum oxide or silicon

 

 

 

carbide sanding belts, not flint or

 

 

 

garnet.

 

 

 

 

 

Sanding marks on work.

1.

Sanding belt too coarse for

1.

Use very fine sanding belt for

 

finish required.

final finish.

 

2.

Wrong sanding belt grit.

2.

Use coarser grit for stock

 

 

 

removal.

 

3.

Work sanded across grain.

3.

When surface sanding, use

 

 

 

very fine sanding belt then finish

 

 

 

by hand, working in direction of

 

 

 

grain.

 

 

 

 

 

Sanding grains quickly rub off

1.

Sanding belt has lost its

1.

Do not store sanding belts

belt.

original properties.

where it is extremely dry or where

 

 

 

temperatures are extremely high.

 

2.

Incorrect storage.

2.

Store sanding belt properly.

 

 

 

Do not fold it.

 

 

 

 

 

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Powermatic 6108 instruction manual Trouble Shooting, Problem Possible Cause Solution