Troubleshooting, Motor & electrical, Operation – Grizzly G0440 User Manual
Page 41
Model g0443 (Mfg. since 11/09)
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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.
SECTiON 8: SERviCE
Troubleshooting
Motor & Electrical
symptom
possible Cause
possible solution
Motor will not
start, or it
growls on start up.
1. power supply fuse or circuit breaker
has tripped.
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.
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.
Motor runs
slower than
normal.
1. poor electrical connection.
2. low power source voltage.
3. Motor is at fault.
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.
Operation
symptom
possible Cause
possible solution
loud
repetitious
noise, or
excessive
vibration
coming from
dust collector.
1. dust collector is not on a flat surface
and wobbles.
2. impeller fan is damaged and unbalanced.
3. the motor mounting is loose.
4. impeller is loose on the motor shaft.
5. Motor fan cover is dented, causing the
motor fan to hit the cover while spinning.
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.