TROUBLESHOOTING

SYMPTOM

POSSIBLE CAUSE

CORRECTIVE ACTION

 

 

 

 

 

Motor will not start.

1.

Low voltage.

1.

Check power line for proper voltage.

 

 

2.

Open circuit in motor or loose

2.

Inspect all lead connections on motor for loose or open connec-

 

 

 

connections.

 

tions.

 

 

 

 

 

Motor will not start; fuses or

1.

Short circuit in line cord or plug.

1.

Inspect cord or plug for damaged insulation and shorted wires.

circuit breakers blow.

2.

Short circuit in motor or loose

2.

Inspect all connections on motor for loose or shorted terminals or

 

 

 

connections.

 

worn insulation.

 

 

3.

Incorrect fuses or circuit break-

3.

Install correct fuses or circuit breakers.

 

 

 

ers in power line.

 

 

 

 

 

 

 

Motor overheats.

1.

Motor overloaded.

1.

Reduce load on motor.

 

 

2.

Air circulation through the motor

2.

Clean out motor to provide normal air circulation.

 

 

 

restricted.

 

 

 

 

 

 

 

 

Motor

stalls (resulting in

1.

Short circuit in motor or loose

1.

Inspect connections on motor for loose or shorted terminals or

blown fuses or tripped cir-

 

connections.

 

worn insulation.

cuit).

 

2.

Low voltage.

2

Correct the low voltage conditions.

 

 

3.

Incorrect fuses or circuit break-

3.

Install correct fuses or circuit breakers.

 

 

 

ers in power line.

 

 

 

 

4.

Motor overloaded.

4.

Reduce load on motor.

 

 

 

 

 

Machine slows when oper-

1.

Feed rate too high.

1.

Feed workpiece slower.

ating.

 

2.

Depth of cut too great.

2.

Reduce depth of cut.

 

 

 

 

 

Loud, repetitious noise com-

1.

Pulley setscrews or keys are

1.

Inspect keys and setscrews. Replace or tighten if necessary.

ing from machine

 

missing or loose.

2.

Tighten fan or shim cover.

 

 

2.

Motor fan is hitting the cover.

3.

Replace V-belt. See Maintenance.

 

 

3.

V-belt is defective

 

 

 

 

 

 

 

Machine is loud when cut-

1.

Excessive depth of cut.

1.

Decrease depth of cut.

ting.

Overheats or bogs

2.

Knives are dull.

2.

Sharpen knives.

down in the cut.

 

 

 

 

 

 

 

 

 

 

DO NOT make adjustments while the jointer is running. Ensure that the switch is off, power is disconnected and moving parts have stopped before making adjustments. Failure to comply may result in serious per- sonal injury.

G1182 6" Series Jointers

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Page 39
Image 39
Grizzly G1182HW instruction manual Troubleshooting, Symptom Possible Cause Corrective Action