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 Guide

Motor & Machine Operation

Symptom

Possible Cause

 

Possible Solution

 

 

 

 

 

Motor will not start.

1. Thermal overload protection tripped

in

1. Press the "Reset" button on the thermal overload

 

magnetic switch.

 

relay, located inside the magnetic switch.

 

 

2. Low voltage.

 

2. Check power line for proper voltage.

 

 

3. Open circuit in motor or loose connec-

3. Inspect all lead connections on motor for loose

or

 

tions.

 

open connections.

 

 

 

 

 

Fuses or circuit breakers

1. Short circuit in line cord or plug.

 

1. Repair or replace cord or plug for damaged insulation

blow.

 

 

and shorted wires.

 

 

 

 

 

 

Motor overheats.

1. Motor overloaded during operation.

 

1. Reduce load on motor; take lighter cuts.

 

 

2. Air circulation through the motor restrict-

2. Clean out motor to provide normal air circulation.

 

 

ed.

 

 

 

 

 

 

 

 

Motor stalls or shuts off

1. Motor overloaded during operation.

 

1. Reduce load on motor; take lighter cuts.

 

during a cut.

2. Thermal overload protection tripped

in

2. Press the "Reset" button on the thermal overload

 

magnetic switch.

 

relay, located inside the magnetic switch.

 

 

3. Short circuit in motor or loose connec-

3. Repair or replace connections on motor for loose or

 

tions.

 

shorted terminals or worn insulation.

 

 

4. Circuit breaker tripped.

 

4. Install correct circuit breaker; reduce number

of

 

 

 

machines running on that circuit (circuit overload).

 

 

 

 

 

 

Blade slows when cut-

1. V-belt loose.

 

1. Tighten V-belt (Page 14).

 

ting or makes a squeal-

2. V-belt worn out.

 

2. Replace V-belt (Page 14).

 

ing noise, especially on

 

 

 

 

start-up.

 

 

 

 

 

 

 

Loud repetitious noise

1. Pulley setscrews or keys are missing or

1. Inspect keys and setscrews. Replace or tighten if nec-

coming from machine.

loose.

 

essary.

 

 

2. Motor fan is hitting the cover.

 

2. Adjust fan cover mounting position, tighten fan, or

 

 

 

shim fan cover.

 

 

3. V-belt is damaged.

 

3. Replace V-belt (Page 14).

 

 

 

 

 

 

Vibration when running

1. Loose or damaged blade.

 

1. Tighten or replace blade.

 

or cutting.

2. Damaged V-belt.

 

2. Replace.

 

 

3. Worn cutterhead bearings.

 

3. Check/replace cutterhead bearings.

 

 

 

 

 

 

G0604 6" X 56" Jointer

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Grizzly G0604 owner manual Service, Troubleshooting Guide