Grizzly G0458 instruction manual Service, Troubleshooting

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SECTION 7: SERVICE

This section is provided for your convenience—it is not a substitute for the Grizzly Service Department. If you need help troubleshooting, you need replacement parts, or you are unsure of how to perform the pro- cedures in this section, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Motor & Electrical

Symptom	Possible Cause		Possible Solution

Machine does not start or	1.	Plug/receptacle is faulty or wired incorrectly.	1.	Test power plug and receptacle for good
a breaker trips.				contact and correct wiring.
	2.	Start capacitor is faulty.	2.	Test capacitor and replace if necessary.
	3.	Motor connection is wired incorrectly.	3.	Correct motor wiring (see Page 37).
	4.	Power supply is faulty, or is switched OFF.	4.	Make sure hot lines and grounds are opera-
				tional and have correct voltage on all legs.
	5.	Safety switch key is at fault.	5.	Install or replace safety key, or replace
				switch assembly.
	6.	Motor ON/OFF switch is faulty.	6.	Replace faulty ON/OFF switch.
	7.	Centrifugal switch is at fault.	7.	Adjust or replace the centrifugal switch.
	8.	Cable or wiring is open or has high resis-	8.	Check for disconnected or corroded connec-
		tance.		tions, troubleshoot wires for internal or exter-
				nal breaks, then repair or replace wiring.
	9.	Motor is at fault.	9.	Test, then repair or replace motor.

Machine stalls or is under-	1.	Wrong workpiece material.	1.	Only process wood with correct moisture
powered.				content, and no glues, or resins.
	2.	Low power supply voltage.	2.	Make sure hot lines and grounds are opera-
				tional and have correct voltage on all legs.
	3.	Run capacitor is faulty.	3.	Test capacitor and replace if necessary.
	4.	Filter bags are at fault.	4.	Empty and clean filter bag.
	5.	V-belts are slipping.	5.	Replace bad belts, align pulleys, and re-ten-
				sion the V-belts (see Pages 27 & 30).
	6.	Plug or receptacle is at fault.	6.	Test power plug and receptacle for good
				contact and correct wiring.
	7.	Motor connection is wired incorrectly.	7.	Correct motor wiring (see Page 37).
	8.	Motor bearings are at fault.	8.	Rotate motor shaft for noisy or burnt bear-
				ings, repair/replace as required.
	9.	Machine is overloaded.	9.	Use new sandpaper with appropriate grit,
				and reduce the feed rate/depth of sanding.
	10. Motor has overheated.		10. Check motor cooling air flow, let motor cool,
				and reduce workload on machine.
	11. Centrifugal switch is at fault.		11. Adjust/replace the centrifugal switch.
	12. Motor is at fault.		12. Test motor, and repair/replace if necessary.

-28-	G0458 18" Open End Belt/Drum Sander

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Contents Open End Drum Sander Page Table of Contents Introduction ForewordContact Info Machine Data Sheet Identification Safety Safety Instructions for MachineryAlways Lock Mobile Bases if Used Before Operating Machinery Additional Safety for Drum Sanders Circuit Requirements 110V OperationItems Needed for Set Up SET UPSet Up Safety UnpackingInventory Box 1 Figures 1 QtyHardware Recognition Chart Components and Hardware Needed Qty Site ConsiderationsStand To assemble the standPage Installing Sander on Stand To install the sander on the standTilting sander upright G0458 18 Open End Belt/Drum Sander Handwheel To install the handwheelTo install the dust port Dust Port and BagDust Collection Test Run To connect the dust ports to a dust collectorRecommended Adjustments Operation Safety Depth of Cut OperationsTo set the depth of cut To adjust the feed belt speed Variable Speed SandingTo sand a workpiece Sanding Tips Choosing SandpaperGrit Class Usage Paper Replacement To change the paper Disconnect power to the sanderTools Needed Qty Page PRO-STICKSanding Pad AccessoriesG3640-Power Twist V-Belt 1⁄2 x SizeDaily Checks and Maintenance MaintenanceCleaning ScheduleSanding Belts Feed belt drive chainBelt Tensioning Checking V-belt tension with a Straightedge and a rulerService TroubleshootingSanding Operations To replace the V-belts Disconnect power to the sander Replacing V-BeltsFeed Belt Tracking To align the pulleys Disconnect power to the sanderPulley Alignment To track the feed beltFeed Belt Tension To tension the feed beltFeed Belt Replacement To replace the feed belt Disconnect power to the sanderGauge Blocks Table AdjustmentsTo align the drums Disconnect power to the sander To make the gauge blocksPressure Plate Adjustments Plate Adjustment Wiring Diagram G0458 Parts Breakdown G0458 Parts List DescriptionMotor Bracket Chip Deflector Plate Warranty and Returns Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAPage Call Today For a Free Full Color Catalog