Section 7: Service; Troubleshooting - Grizzly G0462 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. power supply fuse or circuit breaker has
or it growls on start
tripped.
up.
2. motor fan cover is dented, stopping the fan
from being able to spin.
3. paddle switch is broken or at fault.
4. start capacitor is at fault.
5. 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.
Bad surface finish. 1. Wrong spindle speed.
2. dull chisel or wrong chisel being used for
the operation.
G0462 Wood Lathe (Mfg. Since 3/10)

Troubleshooting

possible solution
1. disconnect power, and inspect circuit for electrical
shorts and repair. replace circuit breaker if it is old
or has tripped many times.
2. replace or adjust fan cover. inspect motor fan and
replace if damaged.
3. disconnect power, and use an ohmmeter to check
switch terminals for continuity, and replace switch if
required.
4. replace start capacitor.
5. 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).
1. use trial-and-error to find a better spindle speed.
2. sharpen chisel or try a different chisel.
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