Grizzly G0462 owner manual Service, Troubleshooting, Motor & Electrical

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.

Troubleshooting

Motor & Electrical

Symptom	Possible Cause		Possible Solution
Motor will not start,	1.	Power supply fuse or circuit breaker has	1.	Disconnect power, and inspect circuit for electrical
or it growls on start		tripped.		shorts and repair. Replace circuit breaker if it is old
up.				or has tripped many times.
	2.	Motor fan cover is dented, stopping the fan	2.	Replace or adjust fan cover. Inspect motor fan and
		from being able to spin.		replace if damaged.
	3.	Paddle switch is broken or at fault.	3.	Disconnect power, and use an ohmmeter to check
				switch terminals for continuity, and replace switch if
				required.
	4.	Start capacitor is at fault.	4.	Replace start capacitor.
	5.	Motor is at fault.	5.	Replace motor.
Fuses or circuit	1.	Short circuit in line cord or plug.	1.	Short circuit in line cord or plug.
breakers trip open.
	2.	Short circuit in motor or loose connections.	2.	Short circuit in motor or loose connections.
	3.	Incorrect fuses or circuit breakers in power	3.	Incorrect fuses or circuit breakers in power supply.
		supply.
Vibration noise	1.	V-Belt cover loose.	1.	Tighten the four screws that mount the V-belt cover;
while machine				if necessary, install a soft, vibration dampening
is running; noise				material between the V-belt cover and the headstock
changes when
				casting.
speed is changed.
	2.	V-Belt cover bent or dented and is making	2.	Remove V-belt cover and inspect the inside for
		contact with the motor pulley or V-belt.		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.	Bad spindle bearing(s).	3.	Replace spindle bearing(s).
Vibration noise	1.	Dented fan cover on motor.	1.	Replace or adjust fan cover. Inspect motor fan and
while machine				replace if damaged.
is running; noise	2.	Bad spindle bearing(s).	2.	Replace spindle bearing(s).
remains constant
when speed is
changed.
Bad surface finish.	1.	Wrong spindle speed.	1.	Use trial-and-error to find a better spindle speed.
	2.	Dull chisel or wrong chisel being used for	2.	Sharpen chisel or try a different chisel.
		the operation.

G0462 Wood Lathe (Mfg. Since 3/10) -31-