Grizzly G9966, G9963, G3620 instruction manual Troubleshooting

TROUBLESHOOTING

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 or open
		connections.		connections.
Motor will not start; fuses or circuit	1.	Short circuit in line cord or plug.	1.	Inspect cord or plug for damaged insulation and
breakers blow.				shorted wires.
	2.	Short circuit in motor or loose	2.	Inspect all connections on motor for loose or shorted
		connections.		terminals or worn insulation.
	3.	Circuit Overloaded	3.	Reduce load on circuit.
Motor fails to develop full power	1.	Power line overloaded with lights,	1.	Reduce load on power line.
(power output of motor decreases		appliances, and other motors.
rapidly with decrease in voltage at	2.	Undersized wires or circuits too long.	2.	Increase wire sizes or reduce length of wire.
motor terminals).	3.	General overloading of power	3.	Request a power check from the power company.
		company facilities.
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 blown	1.	Short circuit in motor or loose	1.	Inspect connections on motor for loose or shorted
fuses or tripped circuit).		connections.		terminals or worn insulation.
	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.
Machine slows when operating.	Applying too much pressure to			Feed workpiece slower.
	workpiece.
Blade does not run evenly on	1.	Tracking is not adjusted properly.	1.	Adjust tracking.
wheels or runs off.	2.	Wheels are not coplanar.	2.	Adjust wheel alignment.
Blade does not cut evenly.	1.	Blade is not properly tensioned.	1.	Adjust blade tension.
	2.	Wheels are not coplanar.	2.	Adjust wheel alignment.
	3.	Tooth set is uneven.	3.	Skew fence to compensate or replace blade.
	4.	Teeth are sharper on one side than	4.	Skew fence to compensate or replace blade.
		the other.
Blade slows when cutting. Blade	1.	V-belt loose.	1.	Tighten V-belt.
makes a squealing noise,	2.	V-belt worn out.	2.	Replace V-belt.
especially on start-up.
Ticking sound when the saw	Weld contacting support bearing.		Use the G2516 Stone to smooth and round the back
is running.			of the blade.
Blade contacting table insert.	1.	Excessive side pressure when cutting.	1.	Reduce side pressure.
	2.	Table improperly adjusted.	2.	Adjust table.
	3.	Opening in insert too narrow.	3.	File opening in table insert larger.
Excessive vibration.	1.	Rubber pads not installed under stand.	1.	Install rubber pads under stand.
	2.	Wheels not coplanar.	2.	Adjust wheel alignment.
	3.	Wheel rubber incorrectly installed.	3.	Re-install wheel rubber crown.
	4.	Worn out V-belt.	4.	Replace V-belt.
	5.	Bent or worn out blade.	5.	Replace blade.
	6.	Wheels out of balance.	6.	Replace wheels.

24" & 27" Resaw Bandsaws -49-