Grizzly G0694 owner manual Service, Troubleshooting, Motor & Electrical

Page 41

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

Machine does not	1.	Emergency stop push-button is engaged/	1.	Rotate button to reset/replace it.
start or a breaker		faulty.
trips.	2.	Motor ON button at fault.	2.	Replace button.
	2.	Motor ON button at fault.	2.	Replace button.
	3.	Power supply switched OFF or at fault.	3.	Ensure power supply is on/has correct voltage.
	4.	Plug/receptacle at fault/wired wrong.	4.	Test for good contacts; correct the wiring.
	5.	Motor connection wired incorrectly.	5.	Correct motor wiring connections.
	6.	Spindle direction switch is at fault.	6.	Replace faulty spindle direction dial.
	7.	Speed dial is at fault.	7.	Replace bad speed dial.
	8.	Wiring is open/has high resistance.	8.	Check for broken wires or disconnected/corroded
				connections, and repair/replace as necessary.
	9.	Inverter at fault.	9.	Inspect inverter; replace if faulty.
	10. Motor is at fault.		10. Test/repair/replace.

Machine stalls or is	1.	Feed rate/cutting speed incorrect or task.	1.	Decrease feed rate/increase speed.
underpowered.	2.	Workpiece material not suitable for	2.	Only cut wood/ensure moisture is below 20%.
		machine.
	3.	Belt slipping.	3.	Re-tension or replace bad belt (see Page 42).
	4.	Motor wired incorrectly.	4.	Wire motor correctly (see Page 48).
	5.	Plug/receptacle at fault.	5.	Test for good contacts/correct wiring.
	6.	Pulley slipping on shaft.	6.	Replace loose pulley/shaft.
	7.	Motor bearings are at fault.	7.	Test/repair/replace.
	8.	Machine is undersized for the task.	8.	Use sharp lathe bits and chisels; reduce the feed
				rate/depth of cut.
	9.	Motor has overheated.	9.	Clean off motor, let cool, and reduce workload.
	10. Speed switch at fault.		10. Replace bad speed switch.
	11. Motor is at fault.		11. Test/repair/replace.

Machine has	1.	Motor or component is loose.	1.	Inspect/replace stripped or damaged bolts/nuts, and
vibration or noisy				re-tighten with thread locking fluid.
operation.	2.	Belt worn or loose.	2.	Inspect/replace belt (see Pages 41–42).
	2.	Belt worn or loose.	2.	Inspect/replace belt (see Pages 41–42).
	3.	Motor fan is rubbing on fan cover.	3.	Replace dented fan cover; replace loose/damaged
				fan.
	4.	Pulley is loose.	4.	Replace shaft, pulley, setscrew, and key as
				required.
	5.	Machine is incorrectly mounted or sits	5.	Tighten/replace anchor studs in floor; relocate/shim
		unevenly on floor.		machine.
	6.	Motor mount loose/broken.	6.	Tighten/replace.
	7.	Workpiece, center, or faceplate is at fault or	7.	Center workpiece on faceplate; reduce RPM; replace
		mounted incorrectly.		defective center or faceplate.
	8.	Motor bearings are at fault.	8.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.

Model G0694 (Mfg. Since 1/09)				-39-

Image 41

Contents Model G0694 Page Table of Contents Manual Accuracy IntroductionContact Info Machine DescriptionIdentification Machine Data Sheet Tailstock Information Safety Instructions for Machinery SafetyKeep CHILDREN/VISITORS Away Preventing Thrown Workpiece Additional Safety for Wood LathesCircuit Requirements 220V Single-Phase OperationNeeded for Setup SetupUnpacking Description QtyInventory Figure Qty InventoryBefore cleaning, gather the following CleanupSite Considerations Moving & Placing Lathe Bolting to Concrete Floors Mounting to Shop FloorStop Button Test RunPage Basic Controls OperationsStock Inspection Requirements Operation OverviewInboard Tool Rest TailstockPositioning Inboard Tool Rest on Bedway To position and lock the tailstock in positionTo use the outboard tool rest Adjusting Tool Rest HeightOutboard Tool Rest Installing Headstock Center Installing/Removing Headstock CenterRemoving Headstock Center Tools Needed QtyTo remove the center from the tailstock quill Installing/Removing Tailstock CenterTo install the center into the tailstock quill Removing Faceplate or Handwheel Installing Faceplate HandwheelInstalling Faceplate or Handwheel Finishing Adjusting Spindle SpeedsWork CuttingWindow IndexingSelecting Turning Tools Spindle Turning Setting Up for Spindle TurningPage Mounting Workpiece on Faceplate Spindle Turning Safety TipsFaceplate Turning To mount your workpiece to a backing block Using Backing BlockOutboard Turning Typical sanding operation Sandpaper Workpiece Sanding/FinishingAccessories G9863-8-PC HSS Lathe Chisel Set Model H6542 Robert Sorby 8-PC SetCleaning MaintenanceSchedule Lathe BedLubricating Spindle Bearings Tailstock General LubricationOutboard Tool Rest Inboard Tool RestSpur and Live Centers To lubricate the bottom of the tool rest hold- erMotor & Electrical ServiceTroubleshooting Wood Lathe Operation Tensioning Belt Belt AdjustmentChecking Belt To remove the existing belt and install a new belt Changing Belt Bearing ServiceRemoving speed sensor screws Model G0694 Mfg. Since 1/09 Packing outboard roller bearing with Grease Speed Sensor Model G0694 Mfg. Since 1/09 Wiring Safety Instructions WiringSwitch Button Junction Block Wiring DiagramElectrical Components Control panel wiringParts Description Lathe Parts ListStand Breakdown Stand Parts List Labels & Cosmetics Breakdown Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty and Returns Warranty and ReturnsOrder Hours a DAY