Grizzly G4186Z instruction manual Troubleshooting, Symptom Possible Cause Corrective Action

TROUBLESHOOTING

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					2.	Inspect all lead connections on motor for loose
			connections.						or open connections.
Motor will not start; fuses		1.	Short circuit in line cord or					1.	Inspect cord or plug for damaged insulation and
or circuit breakers blow.			plug.						shorted wires.
		2.	Short circuit in motor or loose					2.	Inspect all connections on motor for loose or
			connections.						shorted terminals or worn insulation.
		3.	Incorrect		fuses	or	circuit	3.	Install correct fuses or circuit breakers.
			breakers in power line.
Motor overheats.		1.	Motor overloaded.					1.	Reduce load on motor.
		2.	Air	circulation through the				2.	Clean out motor to provide normal air circulation.
			motor restricted.
Motor	stalls (resulting in	1.	Short circuit in motor or loose					1.	Inspect connections on motor for loose or short-
blown fuses or tripped cir-			connections.						ed terminals or worn insulation.
cuit).		2.	Low voltage.					2	Correct the low voltage conditions.
		3.	Incorrect		fuses	or	circuit	3.	Install correct fuses or circuit breakers.
			breakers in power line.
		4.	Motor overloaded.					4.	Reduce load on motor.
Machine slows when oper-		1.	Applying too much pressure					1.	Feed workpiece slower.
ating.			to workpiece.
		2.	Blade is dull.					2.	Replace blade.
		3.	Belt is loose.					3.	Tighten belt.
Blade does not run evenly		1.	Tracking is not adjusted prop-					1.	Adjust tracking.
on wheels or runs off.			erly.
		2.	Rubber tire on wheel is dam-					2.	Replace rubber tires.
			aged or worn.
		3.	Wheels are not coplanar.					3.	Adjust wheel coplanarity.
Blade does not cut evenly		1.	Blade tension is incorrect.					1.	Adjust tension.
		2.	Tooth set is uneven.					2.	Replace blade, or have it professionally sharp-
									ened.
		3.	Teeth are sharper on one					3.	Replace blade, or have it professionally sharp-
			side than the other.						ened.
Ticking	sound when the	1.	Blade weld contacting sup-					1.	Use file or stone to smooth and round the back
saw is running.			port bearing.						of the blade.
		2.	Blade weld may be failing.					2.	Inspect and replace blade if necessary.
Blade	contacting table	1.	Excessive		side	pressure		1.	Reduce side pressure.
insert.			when cutting.
		2.	Table improperly adjusted.					2.	Adjust table.
Excessive vibration.		1.	Wheels not coplanar.					1.	Adjust wheels coplanar.
		2.	Tires incorrectly installed.					2.	Re-install tires.
		3.	Bent or worn out blade.					3.	Replace blade.
		4.	Wheels out of balance.					4.	Replace wheels
Burn marks on the edge of		1.	Too	much side		pressure		1.	Feed workpiece straight into the blade.
the cut.			when feeding workpiece.
		2.	Blade too wide for size of					2.	Install a smaller width blade, and/or increase
			radius being cut.						blade tension.

G4186Z 18" Bandsaw -35-