Grizzly G4815, G9953ZXF Troubleshooting Guide, Symptom Possible Cause Corrective Action

Troubleshooting Guide

SYMPTOM		POSSIBLE CAUSE		CORRECTIVE ACTION
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.	Air circulation through the motor	2.	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 cir-			tions.		worn insulation.
cuit).		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.
Cutterhead	slows when	1.	Applying too much pressure to work-	1.	Feed workpiece slower.
operating.			piece.
				2.	Tighten V-belts.
Snipe (gouge in the end of		1.	Outfeed table is set too low.	1.	Align outfeed table with cutterhead knife or carbide cutters at top
the board that is uneven					dead center. See page 29.
with the rest of the cut).
Workpiece stops in the mid-		1.	Outfeed table is set too high.	1.	Align outfeed table with cutterhead knife or carbide cutters at top
dle of the cut.					dead center. See page 29.
Chipping.		1.	Knots or conflicting grain direction in	1.	Inspect stock for knots and grain.
			wood.
		2.	Dull knives.	2.	Inspect and sharpen cutterhead knives.
		3.	Feeding too fast.	3.	Slow down the rate that you feed the wood into the cutterhead.
		4.	Taking too deep of a cut.	4.	Raise the infeed table to take a smaller depth of cut. Never
					exceed 1⁄8" per pass when edge jointing or 1⁄32" when surface
					planing. Reduce cutting depth for harder woods.
Fuzzy grain.		1.	Wood may have high moisture content	1.	Check moisture content and allow to dry if moisture is too high.
			or surface wetness.
		2.	Dull knives.	2.	Inspect and sharpen cutterhead knives.

Disconnect power to the machine when perform- ing any maintenance or repairs. Failure to do this may result in serious personal injury.

Ultimate Series Jointers -67-