Grizzly G0453, G0454 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		Possible Solution

Machine does not	1.	Stop push-button engaged/faulty.	1.	Rotate button to reset/replace it.
start or a breaker	2.	Power supply switched OFF or at fault.	2.	Ensure power supply is on/has correct voltage.
trips.	3.	Thermal overload relay has tripped.	3.	Reset; adjust trip load dial if necessary; replace.
	3.	Thermal overload relay has tripped.	3.	Reset; adjust trip load dial if necessary; replace.
	4.	Wall circuit breaker tripped.	4.	Ensure circuit size is correct/replace weak breaker.
	5.	Plug/receptacle at fault/wired wrong.	5.	Test for good contacts; correct the wiring.
	6.	Motor connection wired wrong.	6.	Correct motor wiring connections (Pages 47–48).
	7.	Contactor not energized/has poor contacts.	7.	Test all legs for power/replace if faulty.
	8.	Wiring open/has high resistance.	8.	Check/fix broken, disconnected, or corroded wires.
	9.	ON/OFF switch at fault.	9.	Replace switch.
	10. Start capacitor at fault.		10. Test/replace if faulty.
	11. Centrifugal switch at fault.		11. Adjust/replace centrifugal switch.
	12. Motor at fault.		12. Test/repair/replace.

Machine stalls or is	1.	Feed rate too fast.	1.	Decrease feed rate.
underpowered.	2.	Workpiece material not suitable.	2.	Only cut wood/ensure moisture is below 20%.
	3.	Dust collection ducting problem.	3.	Clear blockages, seal leaks, use smooth wall duct,
				eliminate bends, close other branches.
	4.	Motor overheated.	4.	Clean motor, let cool, and reduce workload.
	5.	Machine undersized for task.	5.	Use sharp blades/inserts; reduce feed rate or depth
				of cut.
	6.	V-belt(s) slipping.	6.	Tension/replace belt(s) (Page 37); ensure pulleys
				are aligned (Page 45).
	7.	Motor wired incorrectly.	7.	Wire motor correctly (Pages 47–48).
	8.	Plug/receptacle at fault.	8.	Test for good contacts/correct wiring.
	9.	Run capacitor at fault.	9.	Test/repair/replace.
	10. Pulley/sprocket slipping on shaft.		10. Replace loose pulley/shaft.
	11. Motor bearings at fault.		11. Test/repair/replace.
	12. Contactor not energized/has poor contacts.		12. Test all legs for power/replace if faulty.
	13. Motor at fault.		13. Test/repair/replace.
	14. Centrifugal switch at fault.		14. Adjust/replace centrifugal switch.

Machine has	1.	Belts slapping cover.	1.	Replace/realign belts with a matched set.
vibration or noisy	2.	Knives/gibs at fault.	2.	Resharpen/replace knives; set knife alignment/
operation.				height correctly.
				height correctly.
	3.	Blade at fault.	3.	Replace warped/bent blade; resharpen dull blade.
	4.	V-belt(s) worn or loose.	4.	Inspect/replace belts with a new matched set.
	5.	Pulley loose.	5.	Realign/replace shaft, pulley, setscrew, and key.
	6.	Motor mount loose/broken.	6.	Tighten/replace.
	7.	Machine incorrectly mounted.	7.	Tighten mounting bolts; relocate/shim machine.

G0453/G0454 (Mfg. Since 3/08)				-33-

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Contents Model G0453/G0454 15 & 20 Mobile Planers Page Table of Contents Machine Description IntroductionManual Accuracy Contact Info ON/OFF IdentificationInternal Components Machine Data Sheet Other G0454 Machine Data Sheet Knife Adjustment Jack Screws and Springs Safety Instructions for Machinery SafetyUnattended OPERATION. Never leave Additional Safety Instructions for Planers G0453 220V Circuit Requirements Power SupplyAvailability Full-Load Current RatingG0454 Grounding InstructionsExtension Cords G0453Description Qty SetupNeeded for Setup UnpackingG0454 Hardware and Tools not shown InventoryBox Inventory Figure Qty Basic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations To assemble your planer AssemblyLifting & Moving Base Unit Attaching magnetic switch Foot pedal and caster installed G0453/G0454 Mfg. Since 3/08 Check Gearbox Oil Dust Collection Test RunRe-Tension V-Belts Recommended AdjustmentsFactory adjustments that should be verified Operation Overview OperationsWorkpiece Inspection Planing TipsSpecies Hardness Wood Hardness Feed RateBed Roller Height Depth of CutDisconnect Planer from Power To adjust the bed rollersG2790 Universal Knife Grinder AccessoriesG8982-Roller Table T20502 T20452 T20503 T20448 T20456 H0736Schedule MaintenanceCleaning Protecting Table Height Worm Gear LubricationFeed Roller Bushings Columns and LeadscrewsGearbox Oil Table Height Chain & SprocketsDrive Chain & Sprockets Motor & Electrical ServiceTroubleshooting Amount of snipe Machine OperationAdjust the height of the chip breaker or pressure bar Tools Needed Qty Setting/Replacing KnivesTo adjust the height of the knives To tension/replace the V-belts Belt Tensioning ReplacementPage Table Height Chain Tension To adjust the table height chain tensionDist. Below Knife Edge at BDC Figure Using a RotacatorFeed Rollers, Chip Breaker & Pressure Bar Heights Adjustment Jam Nut Set Screw Using Wood Blocks Positioning Chip Deflector To adjust the chip deflector gapRoller Spring Tension To re-position the scale Scale CalibrationAnti-Kickback Fingers To check/re-align pulleys Pulley AlignmentWiring Safety Instructions WiringMagnetic ON/OFF Switch G0453 Wiring DiagramNHD BTH-21 G0454 Wiring DiagramParts Description G0453 Headstock Parts ListG0453 Table Breakdown G0453 Columns Breakdown G0453 Cabinet Stand Breakdown G0453 Cabinet Stand Parts List G0453 Gearbox Breakdown G0453 Label Placement G0454 Headstock Breakdown G0454 Headstock Parts List PN01M HEX NUT M6-1 PSS25M SET Screw M6-1 X PB09M G0454 Table Breakdown 310 G0454 Columns BreakdownG0454 Cabinet Stand Breakdown G0454 Cabinet Stand Parts List 538 G0454 Gearbox BreakdownG0454 Label Placement G0453/G0454 Mfg. Since 3/08 Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty and Returns Warranty and ReturnsOrder Hours a DAY