SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. 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

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Motor will not run.

1.

No power to planer.

1.

Check power supply.

 

2.

Motor overload protection tripped.

2.

Turn planer OFF. Reset overload protection

 

 

 

 

(Page 15).

 

3.

Defective switch or loose wiring.

3.

Inspect all lead connections on switch/

 

 

 

 

motor for loose or open connections.

 

4.

Brushes are at fault.

4.

Inspect/Replace.

 

 

 

 

 

Fuses or circuit breakers blow.

1.

Short circuit in line cord or plug.

1.

Repair or replace cord or plug for damaged

 

 

 

 

insulation and shorted wires.

 

2.

Brushes are at fault.

2.

Inspect/Replace.

 

 

 

 

 

Motor overheats or operates at

1.

Motor overloaded during operation.

1.

Reduce cutting load; take lighter cuts.

limited RPM.

2.

Brushes are at fault.

2.

Inspect/Replace.

 

 

 

 

 

Motor stalls or shuts off during a

1.

Cut is too deep.

1.

Reduce depth-of-cut.

cut.

2.

Motor overload protection tripped.

2.

Turn planer OFF. Reset overload protection

 

 

 

 

(Page 15).

 

3.

Short circuit in motor or loose

3.

Repair or replace connections on motor

 

 

connections.

 

for loose or shorted terminals or worn

 

 

 

 

insulation.

 

4.

Circuit breaker tripped.

4.

Install correct or repair circuit breaker;

 

 

 

 

reduce number of machines running on

 

 

 

 

that circuit.

 

5.

Brushes are at fault.

5.

Inspect/Replace.

 

 

 

 

 

Cutterhead slows or squeals when

1.

Belt worn out.

1.

Replace belt (Page 28).

cutting, especially on start-up.

2.

Brushes are at fault.

2.

Inspect/Replace.

 

 

 

 

 

Infeed/outfeed rollers not rotating.

1.

Chain and sprockets are worn.

1.

Replace chain and sprockets.

 

 

 

 

 

Vibration when running or cutting.

1.

Knives are dull.

1.

Replace knives.

 

2.

Loose or damaged cutterhead.

2.

Tighten or replace cutterhead.

 

3.

Damaged belt.

3.

Replace (Page 28).

 

4.

Worn cutterhead bearings.

4.

Check/replace cutterhead bearings.

 

 

 

 

 

Boards don't feed properly into

1.

Knives are dull.

1.

Replace knives.

machine.

2.

Sawdust in feed rollers.

2.

Clean feed roller (Page 29)

 

 

 

 

 

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G0689 13" Planer

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Grizzly G0689 owner manual Service, Troubleshooting