Section 7: Service; Troubleshooting Guide - Grizzly G0604X EXTREME SERIES Manual Insert

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.
Motor & Machine Operation
Symptom Possible Cause
1. Thermal overload protection tripped in
Motor will not start.
2. Low voltage.
3. Open circuit in motor or loose connec-
Fuses or circuit breakers 1. Short circuit in line cord or plug.
blow.
Motor overheats. 1. Motor overloaded during operation.
2. Air circulation through the motor restrict-
Motor stalls or shuts off 1. Motor overloaded during operation.
during a cut.
2. Thermal overload protection tripped in
3. Short circuit in motor or loose connec-
4. Circuit breaker tripped.
Blade slows when cut- 1. V-belt loose.
ting or makes a squeal-
2. V-belt worn out.
ing noise, especially on
start-up.
Loud repetitious noise 1. Pulley setscrews or keys are missing or
coming from machine.
2. Motor fan is hitting the cover.
3. V-belt is damaged.
Vibration when running 1. Loose or damaged blade.
or cutting.
2. Damaged V-belt.
3. Worn cutterhead bearings.
G0604 6" X 56" Jointer

Troubleshooting Guide

magnetic switch.
tions.
ed.
magnetic switch.
tions.
loose.
Possible Solution
1. Press the "Reset" button on the thermal overload
relay, located inside the magnetic switch.
2. Check power line for proper voltage.
3. Inspect all lead connections on motor for loose or
open connections.
1. Repair or replace cord or plug for damaged insulation
and shorted wires.
1. Reduce load on motor; take lighter cuts.
2. Clean out motor to provide normal air circulation.
1. Reduce load on motor; take lighter cuts.
2. Press the "Reset" button on the thermal overload
relay, located inside the magnetic switch.
3. Repair or replace connections on motor for loose or
shorted terminals or worn insulation.
4. Install correct circuit breaker; reduce number of
machines running on that circuit (circuit overload).
1. Tighten V-belt (Page 14).
2. Replace V-belt (Page 14).
1. Inspect keys and setscrews. Replace or tighten if nec-
essary.
2. Adjust fan cover mounting position, tighten fan, or
shim fan cover.
3. Replace V-belt (Page 14).
1. Tighten or replace blade.
2. Replace.
3. Check/replace cutterhead bearings.
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