Grizzly G0445, G9962Z, G0582, 9962ZX instruction manual Tion

Troubleshooting

SYMPTOM		POSSIBLE CAUSE		CORRECTIVE ACTION
Snake shaped marks on		1.	Sanding belt damaged or dirty.	1.	Clean or replace sanding belt.
workpiece.
Lines across width of work-		1.	Sanding belt seam is open or dam-	1.	Replace sanding belt.
piece.			aged.
Glossy spots or streaks on		1.	Worn sanding belt.	1.	Replace sanding belt.
workpiece.		2.	Rear pressure roller too low.	2.	Raise rear pressure roller. (See warning in Pressure Roller sec-
					tion!)
Sanding belt clogs quickly.		1.	Sanding belt grit too small for par-	1.	Replace with a coarser grit sanding belt.
			ticular job.
		2.	Excessive depth of cut.	2.	Reduce depth of cut.
		3.	Wood is too moist.	3.	Allow wood to dry out.
		4.	Dust Collection is at fault.	4.	Service dust collection system or dust collector is undersized.
Sanding belt does not ten-		1.	Low air pressure.	1.	Adjust air pressure to 75 PSI at primary regulator.
sion correctly; rollers pad		2.	Air leaks in system.	2.	Inspect all hoses and connections for leaking air; use water on sus-
under belt.					pected area to detect bubbles.
Sanding belt runs off to one		1.	Air eye fork clogged.	1.	Clean the intake hole on the air eye fork.
side, stopping the sander.		2.	Oscillation return valve closed.	2.	Open valve.
		3.	Oscillation timing incorrect.	3.	Adjust oscillation timing.
Sanding belt will not start.		1.	Sanding belt is not tensioned.	1.	Tension sanding belt.
		2.	Limit switches engaged.	2.	Center sanding belt so it is not touching the limit switches.
		3.	Emergency stop plate engaged.	3.	Make sure emergency stop switch is released.
Poor, non-aggressive sand-		1.	Worn sanding belt.	1.	Replace sanding belt with a new one.
ing results.		2.	Sanding belt loaded with sawdust.	2.	Clean sanding belt to unload sawdust.
Conveyor belt not	tracking	1.	Conveyor rollers moved out of	1.	Re-adjust conveyor rollers.
in center.			adjustment.
Conveyor belt padping.		1.	Conveyor rollers have incorrect	1.	Adjust conveyor rollers to place more tension on the workpiece.
			tension.
		2.	Conveyor rollers contaminated with	2.	Clean conveyor rollers.
			dirt or dust.
Emergency brake	stops	1.	Air pressure incorrect.	1.	Adjust air pressure to 75 PSI.
slow.		2.	Air leak in system.	2.	Find and fix air leaks.
		3.	Brake rotor contaminated with oil.	3.	Clean brake rotor with automotive brake parts cleaner.
		4.	Brake pads worn out.	4.	Replace brake pads.
Grinding noise when brak-		1.	Brakes severely worn out.	1.	Replace brake pads, have rotor turned (possibly replaced).
ing.

For your safety, turn the power switch off and dis- connect the sander from the power source and the air supply before starting the applicable troubleshooting.

G0445/G0582/G9962Z/9962ZX Wide Belt Sander -41-