Section 7: Service; Troubleshooting; Motor & Electrical - Grizzly G0462 Owner's Manual

SECTION 7: 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 start, 1. Switch safety key is removed.
or it growls on start
2. Power supply fuse or circuit breaker has
up.
tripped.
3. Motor fan cover is dented, stopping the fan
from being able to spin.
4. Paddle switch is broken or at fault.
5. Start capacitor is at fault.
6. Motor is at fault.
Fuses or circuit 1. Short circuit in line cord or plug.
breakers trip open.
2. Short circuit in motor or loose connections.
3. Incorrect fuses or circuit breakers in power
supply.
Vibration noise 1. V-Belt cover loose.
while machine
is running; noise
changes when
speed is changed.
2. V-Belt cover bent or dented and is making
contact with the motor pulley or V-belt.
3. Bad spindle bearing(s).
Vibration noise 1. Dented fan cover on motor.
while machine
is running; noise
2. Bad spindle bearing(s).
remains constant
when speed is
changed.
G0462 Wood Lathe (Mfd. Since 11/14)

Troubleshooting

Possible Solution
1. Replace switch safety key.
2. Disconnect power, and inspect circuit for electrical
shorts and repair. Replace circuit breaker if it is old
or has tripped many times.
3. Replace or adjust fan cover. Inspect motor fan and
replace if damaged.
4. Disconnect power, and use an ohmmeter to check
switch terminals for continuity, and replace switch if
required.
5. Replace start capacitor.
6. Replace motor.
1. Short circuit in line cord or plug.
2. Short circuit in motor or loose connections.
3. Incorrect fuses or circuit breakers in power supply.
1. Tighten the four screws that mount the V-belt cover;
if necessary, install a soft, vibration dampening
material between the V-belt cover and the
headstock casting.
2. Remove V-belt cover and inspect the inside for
dents, bends, or indications of rubbing. Tap out the
dent with a rubber mallet, bend back into proper
shape, or shim V-belt cover away from the motor
pulley.
3. Replace spindle bearing(s).
1. Replace or adjust fan cover. Inspect motor fan and
replace if damaged.
2. Replace spindle bearing(s).
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