Grizzly G0609 owner manual Service, Troubleshooting, Motor & Electrical

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Motor & Electrical

Symptom				Possible Cause		Possible Solution
Motor	will		not	1.	Power supply circuit breaker is blown/tripped.	1.	Ensure correct size for machine load (refer to Page
start or fuses or							10); replace weak breaker.
circuit	breakers			2.	Plug/receptacle is at fault or wired incorrectly.	2.	Test for good contacts; correct the wiring.
blow.				3.	Start capacitor is at fault.	3.	Test/replace if faulty.
				4.	Thermal overload relay has tripped.	4.	Unplug machine, open magnetic switch cover, turn
							amperage dial on Thermal Protection Circuit Breaker
							to a higher amperage setting.
				5.	Motor is at fault.	5.	Test/repair/replace.
				6.	Emergency stop button depressed.	6.	Twist the emergency stop button to allow it to pop
							out.
				7.	Motor ON button is at fault.	7.	Replace faulty ON button.
				8.	Open circuit in motor or loose connections.	8.	Inspect all lead connections on motor for loose or
							open connections.
				9.	Short circuit in line cord or plug.	9.	Repair or replace cord or plug for damaged insula-
							tion and shorted wires.
				10. Circuit not adequate to handle load.		10. Install correct circuit breaker; reduce # of machines
							running on that circuit (circuit overload).
Motor overheats.				1.	Motor overloaded during operation.	1.	Reduce load on motor; take lighter cuts.
				2.	Air circulation through the motor restricted.	2.	Clean out motor to provide normal air circulation.
Motor	stalls		or	1.	Motor overloaded during operation.	1.	Reduce load on motor; take lighter cuts.
shuts	off	during		2.	Thermal overload protection tripped in mag-	2.	Unplug machine, open magnetic switch cover, turn
a cut.					netic switch.		amperage dial on Thermal Protection Circuit Breaker
							to a higher amperage setting.
				3.	Short circuit in motor or loose connections.	3.	Repair or replace connections on motor for loose or
							shorted terminals or worn insulation.
				4.	Circuit breaker tripped.	4.	Install correct circuit breaker; reduce # of machines
							running on that circuit (circuit overload).
				5.	Motor is at fault.	5.	Test/repair/replace motor.
Blade		slows		1.	V-belt loose.	1.	Tighten V-belt (Page 43).
when	cutting,			2.	V-belt worn out.	2.	Replace V-belt (Page 43).
makes squealing
noise.
Loud	repetitious			1.	Pulley setscrews or keys are missing or	1.	Inspect keys and setscrews. Replace or tighten if
noise		coming			loose.		necessary.
from machine.				2.	Motor fan is hitting the cover.	2.	Replace dented fan cover; replace loose/damaged
							fan.
				3.	V-belts are damaged.	3.	Replace V-belts (Page 43).
Vibration		when		1.	Loose, dull or misajusted blades.	1.	Tighten or replace blades.
running		or	cut-	2.	Damaged V-belt.	2.	Replace.
ting.				3.	Worn cutterhead bearings.	3.	Check/replace cutterhead bearings.
-32-							G0609 12" Parallelogram Jointer