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Grizzly G0457 owner manual Service, Troubleshooting, Motor & Electrical

Models: G0457

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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	1.	Plug/receptacle is at fault or wired incorrectly.	1.	Test for good contact or correct the wiring.
not start or a	2.	Motor connection wired incorrectly.	2.	Correct motor wiring connections (Page 51).
breaker trips.	3.	Power supply is at fault/switched OFF.	3.	Ensure hot lines have correct voltage on all legs and
	3.	Power supply is at fault/switched OFF.	3.	Ensure hot lines have correct voltage on all legs and
				main power supply is switched ON.
	4.	Motor ON/OFF switch is at fault.	4.	Replace faulty ON/OFF switch.
	5.	Wiring is open/has high resistance.	5.	Check for broken wires or corroded/disconnected
				connections, and repair/replace as necessary.
	6.	Start capacitor is at fault.	6.	Test/replace if faulty.
	7.	Motor is at fault.	7.	Repair/replace.

Machine	1.	Wrong workpiece material (wood).	1.	Use wood with correct moisture content, without glues,
stalls or is				and little pitch/resins.
underpowered.	2.	Processing speed too fast for task.	2.	Decrease processing speed. See Basic Cutting Tips
	2.	Processing speed too fast for task.	2.	Decrease processing speed. See Basic Cutting Tips
				on Page 28.
	3.	Low power supply voltage.	3.	Ensure all hot lines have correct voltage on all legs.
	4.	Run capacitor is at fault.	4.	Repair/replace.
	5.	V-belt slipping.	5.	Replace bad V-belt, align pulleys, and re-tension
				(Page 46).
	6.	Plug/receptacle is at fault.	6.	Test for good contacts and correct wiring.
	7.	Motor connection is wired incorrectly.	7.	Correct motor wiring connections (Page 51).
	8.	Blade is slipping on wheels.	8.	Adjust blade tracking (Page 20) and tension (Page 24)
				to factory specifications.
	9.	Motor bearings are at fault.	9.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.
	10. Motor has overheated.		10. Clean off motor, let cool, and reduce workload.
	11. Motor is at fault.		11. Repair/replace.

G0457 14" Industrial Bandsaw (Mfg. Since 5/11)

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Grizzly G0457 owner manual Service, Troubleshooting, Motor & Electrical

Contents

Model G0457 Industrial Bandsaw Page Table of Contents Manual Accuracy Contact Info IntroductionIdentification Machine Data Sheet Cutting Capacities Safety Instructions for Machinery SafetyUnattended OPERATION. Never leave Additional Safety Instructions for Bandsaws Availability Power SupplyFull-Load Current Rating Circuit InformationTypical 5-20 plug and receptacle Grounding RequirementsDisabling & Locking Switch Extension CordsVoltage Conversion Needed for Setup SetupUnpacking Description QtyHardware Recognition Chart Contents Figures Qty InventoryHardware Not shown Placement Location Clean UpSite Considerations Floor LoadTo assemble the bandsaw AssemblyTable installed on trunnions Installed front rail To connect a dust collection hose Dust CollectionBlade Tracking To center track the bladeChanges in the blade tension may change the blade tracking Table Stop Calibration Test RunTo test run the machine Blade Tracking onTo calibrate the pointer on the table tilt scale Table AlignmentFence Alignment To calibrate the miter gaugeTo align the fence parallel with the miter slot To adjust the support bearings Adjusting Support BearingsBlade Tensioning To tension the bandsaw bladeTop View To adjust the upper and lower blade guides Blade Guide AdjustmentsBasic Controls OperationsStraight Cuts OverviewIrregular Cuts Basic Cutting TipsWorkpiece Inspection Table TiltTo tilt the table To adjust guide post Guide Post RippingTo rip with the Model G0457 To crosscut with the Model G0457 CrosscuttingResawingTo resaw a workpiece Cutting CurvesTo complete a stacked cut Stacked CutsBlade Length Blade InformationBlade Width Tooth StyleBlade Care Tooth PitchBlade Breakage Most common causes of blade breakage areBlade Changes To remove the bladeTo replace the blade Accessories H5408-Blade Tensioning Gauge Half-mask respirator with disposable Cartridge filtersG8983-Tilting Roller Stand G1928-Bandsaw HandbookG8984-Single Roller Stand G8985-5 Roller StandCleaning MaintenanceSchedule Unpainted Cast IronBlade Tension Leadscrew Guide PostRedressing Rubber Tires Table TrunnionsTo redress the rubber tires Service TroubleshootingMotor & Electrical Adjust the feet on the bottom of the stand relocate Tensioning V-Belt Checking V-BeltTo check the V-belt Steps Tools Needed QtyTo replace the V-belt Replacing V-BeltCorrect blade lead Shimming Table Blade LeadSkewing your fence To shim the tableShifting Table Wheel Alignment Components and Hardware Needed QtyTo check if your wheels are coplanar Coplanarity Gauge Wiring Safety Instructions Wiring110V Main Description Main Parts ListTrunnion Bracket Cast Iron Description ComponentsStand Rear of Machine LabelsComments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns Order Hours a DAY