Section 7: Service; Troubleshooting - Grizzly G0609X 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 & Electrical
Symptom Possible Cause
1. Power supply circuit breaker is blown/tripped.
Motor will not
start or fuses or
circuit breakers
2. Plug/receptacle is at fault or wired incorrectly.
blow.
3. Start capacitor is at fault.
4. Thermal overload relay has tripped.
5. Motor is at fault.
6. Emergency stop button depressed.
7. Motor ON button is at fault.
8. Open circuit in motor or loose connections.
9. Short circuit in line cord or plug.
10. Circuit not adequate to handle load.
Motor overheats. 1. Motor overloaded during operation.
2. Air circulation through the motor restricted.
Motor stalls or 1. Motor overloaded during operation.
shuts off during
2. Thermal overload protection tripped in mag-
a cut.
netic switch.
3. Short circuit in motor or loose connections.
4. Circuit breaker tripped.
5. Motor is at fault.
Blade slows 1. V-belt loose.
when cutting,
2. V-belt worn out.
makes squealing
noise.
Loud repetitious 1. Pulley setscrews or keys are missing or
noise coming
loose.
from machine.
2. Motor fan is hitting the cover.
3. V-belts are damaged.
Vibration when 1. Loose, dull or misajusted blades.
running or cut-
2. Damaged V-belt.
ting.
3. Worn cutterhead bearings.
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Troubleshooting

Possible Solution
1. Ensure correct size for machine load (refer to Page
10); replace weak breaker.
2. Test for good contacts; correct the wiring.
3. Test/replace if faulty.
4. Unplug machine, open magnetic switch cover, turn
amperage dial on Thermal Protection Circuit Breaker
to a higher amperage setting.
5. Test/repair/replace.
6. Twist the emergency stop button to allow it to pop
out.
7. Replace faulty ON button.
8. Inspect all lead connections on motor for loose or
open connections.
9. Repair or replace cord or plug for damaged insula-
tion and shorted wires.
10. Install correct circuit breaker; reduce # of machines
running on that circuit (circuit overload).
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. Unplug machine, open magnetic switch cover, turn
amperage dial on Thermal Protection Circuit Breaker
to a higher amperage setting.
3. Repair or replace connections on motor for loose or
shorted terminals or worn insulation.
4. Install correct circuit breaker; reduce # of machines
running on that circuit (circuit overload).
5. Test/repair/replace motor.
1. Tighten V-belt (Page 43).
2. Replace V-belt (Page 43).
1. Inspect keys and setscrews. Replace or tighten if
necessary.
2. Replace dented fan cover; replace loose/damaged
fan.
3. Replace V-belts (Page 43).
1. Tighten or replace blades.
2. Replace.
3. Check/replace cutterhead bearings.
G0609 12" Parallelogram Jointer