Section 8: Service; Troubleshooting; Motor & Electrical; Operation - Grizzly G0443 Owner's Manual

SECTiON 8: SERviCE

Review the troubleshooting and procedures in this section if a problem develops with your machine. If you
need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.
Motor & Electrical
symptom possible Cause
Motor will not 1. power supply fuse or circuit breaker
start, or it
has tripped.
growls on start up.
2. Motor wired improperly.
3. Motor fan cover is dented.
4. toggle switch is broken inside.
5. start capacitor is at fault.
6. Motor is at fault.
Motor runs 1. poor electrical connection.
slower than
normal. 2. low power source voltage.
3. Motor is at fault.

Operation

symptom possible Cause
loud 1. dust collector is not on a flat surface
repetitious
and wobbles.
noise, or
2. impeller fan is damaged and unbalanced.
excessive
vibration
3. the motor mounting is loose.
coming from
4. impeller is loose on the motor shaft.
dust collector.
5. Motor fan cover is dented, causing the
motor fan to hit the cover while spinning.
Model g0443 (Mfg. since 11/09)

Troubleshooting

possible solution
1. disconnect power, and inspect circuit for
electrical shorts and repair; replace circuit breaker
2. rewire motor.
3. replace motor fan cover (and fan, if damaged).
4. disconnect power, and check/replace switch.
5. replace start capacitor.
6. replace motor.
1. inspect the power supply for loose, corroded,
or overheated electrical connections and repair.
2. have the power source voltage checked;
reduce the length of extension cord.
3. replace the motor.
possible solution
1. stabilize the dust collector.
2. unplug dust collector, and inspect the impeller
for dents, bends, loose fins; replace.
3. re-tighten all fasteners on the dust collector.
4. replace the motor and impeller as a set if the
motor shaft and the impeller hub is damaged.
5. replace motor fan cover.
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