Grizzly G0633/G0634 - Manual (Page 39)

G0633/G0634 Jointer/Planer Combo Machine
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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.
SECTION 7: SERVICE
Troubleshooting
Motor & Electrical
Symptom Possible Cause Possible Solution
Motor will not start
or fuses or circuit
breakers blow. 1. Emergency off button depressed.
2. Short circuit in line cord or plug.
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.
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.
Motor fails to devel-
op full power or
motor
decreases
rapidly with load,
overheats, or stalls.
1. Motor run capacitor at fault.
2. Motor overloaded during operation.
3. Air circulation through the motor restricted.
4. Motor overloaded during operation.
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.
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.
Cutterhead slows or
squeals when cut-
ting, especially on
start-up. 1. V-belt loose.
2. V-belt worn out. 1. Tighten V-belt ( Page 34).
2. Replace V-belt ( Page 34).
Loud repetitious
noise coming from
machine.
1. Pulley set screws or keys are missing or
loose.
2. V-belts are damaged.
3. Motor fan is hitting the cover.
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.
Table (Jointer)
Symptom Possible Cause Possible Solution
Tables are hard to
adjust. 1. Table gibs are too tight. 1. Adjust table gibs ( Page 49).
Tables do not lock. 1. Table lock levers too high or too low. 1. Adjust lock nuts and bolts.