Section 7: Service; Troubleshooting - Grizzly G0633/G0634 Owner's Manual

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.
Motor & Electrical
Symptom Possible Cause
Motor will not start 1. Emergency off button depressed.
or fuses or circuit
2. Short circuit in line cord or plug.
breakers blow.
3. Start capacitor is at fault.
4. Thermal protection circuit breaker amper-
age is set too low or motor is at fault.
5. Open circuit in motor or loose connections.
Motor fails to devel- 1. Motor run capacitor at fault.
op full power or
2. Motor overloaded during operation.
motor decreases
3. Air circulation through the motor restricted.
rapidly with load,
4. Motor overloaded during operation.
overheats, or stalls.
5. Thermal protection circuit breaker amper-
age is set too low or motor is at fault.
6. Short circuit in motor or loose connections.
7. Circuit breaker tripped.
Cutterhead slows or 1. V-belt loose.
squeals when cut-
2. V-belt worn out.
ting, especially on
start-up.
Loud repetitious 1. Pulley set screws or keys are missing or
noise coming from
loose.
machine.
2. V-belts are damaged.
3. Motor fan is hitting the cover.
Table (Jointer)
Symptom Possible Cause
1. Table gibs are too tight.
Tables are hard to
adjust.
1. Table lock levers too high or too low.
Tables do not lock.
G0633/G0634 Jointer/Planer Combo Machine

Troubleshooting

Possible Solution
1. Rotate clockwise until it pops out/replace.
2. Repair or replace cord or plug for damaged insula-
tion and shorted wires.
3. Replace start capacitor.
4. Unplug machine, open magnetic switch cover, turn
amperage dial on Thermal Protection Circuit Breaker
to a higher amperage setting. If switch is maxed out,
replace motor.
5. Inspect all lead connections on motor for loose or
open connections.
1. Replace run capacitor.
2. Reduce cutting load; take lighter cuts.
3. Clean out motor to provide normal air circulation.
4. Reduce cutting load; take lighter cuts.
5. Unplug machine, open magnetic switch cover, turn
amperage dial on Thermal Protection Circuit Breaker
to a higher amperage setting. If switch is maxed out,
replace motor.
6. Repair or replace connections on motor for loose or
shorted terminals or worn insulation.
7. Install correct circuit breaker; reduce number of
machines running on that circuit.
1. Tighten V-belt (Page 34).
2. Replace V-belt (Page 34).
1. Inspect keys and set screws. Replace or tighten if
necessary.
2. Replace V-belts (Page 34).
3. Adjust fan cover mounting position, tighten fan, or
shim fan cover.
Possible Solution
1. Adjust table gibs (Page 49).
1. Adjust lock nuts and bolts.
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