Grizzly G0524 owner 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 con-	2.	Inspect all lead connections on motor for loose or open con-
		nections.		nections.
Motor will not start; fuses or	1.	Short circuit in line cord or plug.	1.	Inspect cord or plug for damaged insulation and shorted
circuit breakers blow.	2.	Short circuit in motor or loose con-		wires.
		nections.	2.	Inspect all connections on motor for loose or shorted terminals
	3.	Incorrect fuses or circuit breakers in		or worn insulation.
		power line.	3.	Install correct fuses or circuit breakers.
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 con-	1.	Inspect connections on motor for loose or shorted terminals or
blown fuses or tripped cir-		nections.		worn insulation.
	2.	Low voltage.	2	Correct the low voltage conditions.
cuit).	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 oper-	1.	Belts loose.	1.	Tighten belts.
ating.
Loud, repetitious noise com-	1.	Pulley setscrews or keys are missing	1.	Inspect keys and setscrews. Replace or tighten if necessary.
ing from machine.		or loose.
	2.	Motor fan is hitting the cover.	2.	Tighten fan or shim cover.
	3.	V-belts are defective.	3.	Replace V-belts.
Hand wheels will not turn.	1.	Hand wheel key is inserted too far.	1.	Remove hand wheel and adjust key.
	2.	Bullets are wedged.	2.	Remove hand wheel and adjust bullets.
	3.	Roll pin or setscrew in worm gear is	3.	Inspect roll pins and setscrews in the worm gear. Tighten if
		contacting geared trunnion.		necessary.

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