Grizzly G0529 instruction manual Troubleshooting

Troubleshooting

TROUBLE				CAUSE		CORRECTION
Grains easily rub off the				1.	Sanding sleeve/disc has been stored in	1.	Store sanding sleeve/disc away from extremely hot or dry tem-
sleeve or disc .					an incorrect environment.		peratures.
				2.	Sanding sleeve/disc has been smashed	2.	Store sanding sleeve/disc flat not bent or folded.
					or folded.
Deep sanding grooves			or	1.	Sanding sleeve/disc grit is too coarse	1.	Use a finer grit sanding sleeve/disc.
scars in workpiece.					for the desired finish.
				2.	Workpiece sanded across the grain.	2.	Sand with the grain.
				3.	Too much sanding force on workpiece.	3.	Reduce pressure on workpiece while sanding.
				4.	Workpiece held still against the	4.	Keep workpiece moving while sanding on the sleeve/disc.
					sleeve/disc.
Sanding	surface	clogs		1.	Too much pressure against sleeve/disc.	1.	Reduce pressure on workpiece while sanding.
quickly or burns.				2.	Sanding softwood.	2.	Use different stock. Or, accept the characteristics of the stock
							and plan on cleaning/replacing sleeves frequently.
Glazed sanding surfaces.				1.	Sanding wet stock.	1.	Dry stock properly before sanding.
				2.	Sanding stock with high residue.	2.	Use different stock. Or, accept the characteristics of the stock
							and plan on cleaning/replacing sleeves/discs frequently.
Motor will not start.				1.	Low voltage.	1.	Check power line for proper voltage.
				2.	Open circuit in motor or loose connec-	2.	Inspect all lead connections on motor for loose or open connec-
					tions.		tions.
Motor will not start; fuses or				1.	Short circuit in line cord or plug.	1.	Inspect cord or plug for damaged insulation and shorted wires.
circuit breakers blow.				2.	Short circuit in motor or loose connec-	2.	Inspect all connections on motor for loose or shorted terminals
					tions.		or worn insulation.
				3.	Incorrect fuses or circuit breakers in	3.	Install correct fuses or circuit breakers.
					power line.
Motor overheats.				1.	Motor overloaded.	1.	Reduce load on motor.
				2.	Incorrect usage of machine.	2.	Reduce the applied load on the machine.
				3.	Air circulation through the motor	3.	Clean out motor to provide normal air circulation.
					restricted.
Motor stalls (resulting			in	1.	Short circuit in motor or loose connec-	1.	Inspect connections on motor for loose or shorted terminals or
blown fuses or tripped					tions.		worn insulation.
circuit).				2.	Low voltage.	2	Correct the low voltage conditions.
				3.	Incorrect fuses or circuit breakers in	3.	Install correct fuses or circuit breakers.
					power line.
				4.	Motor overloaded.	4.	Reduce load on motor.
Burn marks on workpiece.				1.	Using too fine of sanding grit.	1.	Use a coarser grit sanding sleeve/disc.
				2.	Using too much pressure.	2.	Reduce pressure on workpiece while sanding.
				3.	Work held still for too long.	3.	Do not keep workpiece in one place for too long.
Machine slows when				1.	Applying too much pressure to work-	1.	Sand with less pressureÑlet the movement of the sleeve/disc
operating.					piece.		do the work.
				2.	Undersized circuit or using ext cord.	2.	Make sure circuit wires are proper gauge & donÕt use ext cords!
Machine vibrates				1.	Stand not stable on floor.	1.	Secure stand to floor, reposition to level surface, or shim stand.
excessively.				2.	Incorrect motor mounting.	2.	Check/adjust motor mounting.
				3.	Incorrect sanding sleeve tension.	3.	Make sure tension lever is in tensioning position. Follow sleeve
							tensioning instructions in this manual.
				4.	Weak or broken tension spring.	4.	Replace spring.
				5.	Idler roller is too loose.	5.	Adjust idler roller.
				6.	Broken/defective sanding sleeve/disc.	6.	Replace sanding sleeve/disc.
Workpiece	frequently	gets		1.	Not supporting the workpiece against	1.	Use back stop to support workpiece.
pulled out of your hand.					the stop.
				2.	Starting the workpiece on a leading cor-	2.	Start workpiece on a trailing corner.
					ner.

G0529 Oscillating Spindle & Disc Sander -29-