Grizzly G0717 owner manual Service, Troubleshooting, Motor & Electrical

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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.

Troubleshooting

Motor & Electrical

SYMPTOM		POSSIBLE CAUSE		corrective action
Machine does not start or	1.	Emergency-Stop button pressed.	1.	Twist Emergency-Stop button until it pops out.
a breaker trips.	2.	Plug/receptacle is at fault or wired	2.	Test for good contacts; correct the wiring.
		incorrectly.	3.	Test/replace capacitor if faulty.
	3.	Start capacitor is at fault.	3.	Test/replace capacitor if faulty.
	4.	Wall fuse/circuit breaker is blown/	4.	Ensure correct size for machine load; replace weak
		tripped.		breaker.
	5.	Motor connection wired incorrectly.	5.	Correct motor wiring connections.
	6.	Power supply is at fault/switched	6.	Ensure hot lines have correct voltage on all legs and
		OFF.		main power supply is switched ON.
	7.	Motor ON/OFF switch is at fault.	7.	Replace faulty ON/OFF switch.
	8.	Wiring is open/has high resistance.	8.	Check for broken wires or disconnected/corroded
				connections, and repair/replace as necessary.
	9.	Motor is at fault.	9.	Test/repair/replace.
Machine stalls or is	1.	Wrong blade for the workpiece	1.	Use blade with correct properties for your type of
underpowered.		material.		cutting.
	2.	Wrong workpiece material.	2.	Use metal with correct properties for your type of
				cutting.
	3.	Feed rate/cutting speed too fast for	3.	Decrease feed rate/cutting speed.
		task.	4.	Adjust blade tracking and tension.
	4.	Blade is slipping on wheels.	4.	Adjust blade tracking and tension.
	5.	Low power supply voltage.	5.	Ensure hot lines have correct voltage on all legs.
	6.	Motor bearings are at fault.	6.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.
	7.	Plug/receptacle is at fault.	7.	Test for good contacts; correct the wiring.
	8.	Motor connection is wired	8.	Correct motor wiring connections.
		incorrectly.	9.	Clean off motor, let cool, and reduce workload.
	9.	Motor has overheated.	9.	Clean off motor, let cool, and reduce workload.
	10. Motor is at fault.		10. Test/repair/replace.
Machine has vibration or	1.	Motor fan is rubbing on fan cover.	1.	Replace dented fan cover; replace loose/damaged
noisy operation.				fan.
	2.	Blade is at fault.	2.	Replace/resharpen blade.
	3.	Gearbox is at fault.	3.	Rebuild gearbox for bad gear(s)/bearing(s).
	4.	Wrong blade for material.	4.	Change blade.
	5.	Speed is set too slow.	5.	Adjust speed as required.

Model G0717 (Mfg. Since 9/10)

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Contents Model G0717 Page Table of Contents Manual Accuracy Contact Info IntroductionMachine Description Identification Machine Data Sheet Other Safety Instructions for Machinery SafetyUnattended OPERATION. Never leave Safety Instructions for Metal Cutting Bandsaws Circuit Information Power SupplyAvailability Full-Load Current Rating50 ft Grounding RequirementsExtension Cords Minimum Gauge Size 12 AWGDescription Qty SetupNeeded for Setup UnpackingItem Figure Qty InventoryBefore cleaning, gather the following CleanupBasic steps for removing rust preventative Site Considerations Bolting to Concrete Floors Using Machine MountsLifting & Placing MountingTo assemble your machine AssemblyMounting belt cover Model G0717 Mfg. Since 9/10 Connecting Power Power ConnectionDisconnecting Power Controls Blade on Button Starts the blade Test Run Operation Overview OperationsModel Blade SelectionBlade Terminology Blade LengthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPITo change the blade on the bandsaw Blade ChangeTo tension the blade on the bandsaw Blade TensionBlade Breakage Blade TrackingMost common causes of avoidable blade breakage are Blade Break-In Blade Care Break-InDownfeed Blade CareTo change blade speeds Downfeed Pressure Blade SpeedBlade Speed Chart Chip Inspection ChartVise Blade Guide Arms To adjust the rear blade guide armTo rapidly change the vise jaw gap Hazard Cutting FluidTo use the cutting fluid system Cutting Fluid SystemTypical blade brush Blade BrushOperation Tips H9231-Safe Tap Stick, 13 oz AccessoriesH4978 T20446 H4979 Basic Eye ProtectionLubrication MaintenanceCleaning ScheduleGear box To change the gear oilTroubleshooting ServiceMotor & Electrical Refer to Feed Rate on Page 29, or Blade Speed Bandsaw OperationsTo replace the V-belt BeltWiring Safety Instructions WiringSee Wiring Overview110 VAC Wiring DiagramElectrical Box 27-1 53-2 66-1 28-1 53-1 72-1 70-1 29-1 52-1 Description Base Parts ListPW06M Flat Washer 12MM PB35M Model BowMotor Mount Plate Saw Bow Parts ListPCAP07M CAP Screw M6-1 X Labels Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns Order Hours a DAY