Grizzly G0596-99 owner manual Service, Troubleshooting

SECTION 6: SERVICE

Review the troubleshooting and procedures in this section to fix your machine if a problem develops. 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.	Low voltage.	1.	Check power line for proper voltage.
				2.	Open circuit in motor or loose connections.	2.	Inspect all lead connections on motor for loose or open
							connections.
Motor will not start;				1.	Short circuit in line cord or plug.	1.	Inspect cord or plug for damaged insulation and shorted
fuses	or	circuit					wires.
breakers blow.				2.	Short circuit in motor or loose connections.	2.	Inspect all connections on motor for loose or shorted termi-
							nals or worn insulation.
				3.	Incorrect fuses or circuit breakers in power line.	3.	Install correct fuses or circuit breakers.
Motor overheats.				1.	Motor overloaded.	1.	Reduce load on motor.
Motor stalls (result-				1.	Short circuit in motor or loose connections.	1.	Inspect connections on motor for loose or shorted terminals
ing in blown fuses							or worn insulation.
or tripped circuit).				2.	Low voltage.	2	Correct the low voltage conditions.
				3.	Incorrect fuses or circuit breakers in power line.	3.	Install correct fuses or circuit breakers.
				4.	Motor overloaded.	4.	Reduce load on motor.
Machine		slows		1.	Operator is using too much pressure.	1.	Use less pressure when grinding.
when operating.
Wavy		condi-		1.	Machine vibrating.	1.	Make sure machine is securely mounted on a solid sur-
tion on	surface		of				face.
workpiece.				2.	Workpiece not being held firmly.	2.	Use a holding device to firmly retain the workpiece.
				3.	Wheel face uneven.	3.	Dress the grinding wheel.
				4.	Wheel is too hard.	4.	Use softer wheel, or reduce the feed rate.
Lines on surface of				1.	Impurity on wheel surface.	1.	Dress the grinding wheel.
workpiece.				2.	Workpiece not being held tightly.	2.	Use a holding device to firmly retain the workpiece.
Burning		spots		1.	Improper type of grinding wheel.	1.	Try a wheel which is softer style or a coarser grit.
or cracks		in	the	2.	Improper feed rate.	2.	Slow down the rate of movement of the workpiece into
workpiece.							wheel.
				3.	Coolant required.	3.	Add optional coolant system or introduce coolant by hand.
Wheel dulls quickly,				1.	Depth of cut too great.	1.	Slow down the rate of movement of the workpiece into
grit falls off.							wheel.
				2.	Wheel is too soft.	2.	Wheel too soft for the material being ground, select harder
							bond.
				3.	Wheel diameter too small.	3.	Replace the wheel.
				4.	Bad wheel dress.	4.	Dress the wheel.
				5.	Defective wheel bonding.	5.	Consult manufacturer of grinding wheel.

-18- Model G0596-99 (Mfg. since 3/06)