Grizzly G1033X owner manual Service, Troubleshooting

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 & Machine Operation

Symptom	Possible Cause		Possible Solution
Motor will not start.	1.	Thermal overload relay inside	1.	Press the RESET button on the thermal
		magnetic switch has tripped.		overload relay; investigate reason it tripped
				to prevent future problems.
	2.	Low voltage.	2.	Check power line for proper voltage.
	3.	Open circuit in motor or loose	3.	Inspect all lead connections on motor for
		connections.		loose or open connections.
	4.	Emergency stop button depressed.	4.	Rotate clockwise until it pops out/replace.
Fuses or circuit breakers blow.	1.	Short circuit in line cord or plug.	1.	Repair or replace cord or plug for damaged
				insulation and shorted wires.
Motor fails to develop full power (output	1.	Power line overloaded with lights,	1.	Reduce load on power line.
of motor decreases rapidly with decrease		appliances, and other motors.
in voltage at motor terminals).	2.	Undersized wires or circuits too long.	2.	Increase wire sizes or reduce length of the
				circuit.
	3.	Motor run capacitor at fault.	3.	Replace run capacitor.
Motor overheats.	1.	Motor overloaded during operation.	1.	Reduce cutting load; take lighter cuts.
	2.	Air circulation through the motor	2.	Clean out motor to provide normal air
		restricted.		circulation.
Motor stalls or shuts off during a cut.	1.	Motor overloaded during operation.	1.	Reduce cutting load; take lighter cuts.
	2.	Thermal overload protection tripped in	2.	Press the RESET button on the thermal
		magnetic switch.		overload relay, located inside the magnetic
				switch.
	3.	Short circuit in motor or loose	3.	Repair or replace connections on motor
		connections.		for loose or shorted terminals or worn
				insulation.
	4.	Circuit breaker tripped.	4.	Install correct circuit breaker; reduce # of
				machines running on that circuit.
Cutterhead slows or squeals when	1.	V-belt loose.	1.	Tighten V-belt (Page 23).
cutting, especially on start-up.	2.	V-belt worn out.	2.	Replace V-belt (Page 23).
Loud repetitious noise coming from	1.	Pulley setscrews or keys are missing	1.	Inspect keys and setscrews. Replace or
machine.		or loose.		tighten if necessary.
	2.	Motor fan is hitting the cover.	2.	Adjust fan cover mounting position, tighten
				fan, or shim fan cover.
	3.	V-belts are damaged.	3.	Replace V-belts (Page 23).
Vibration when running or cutting.	1.	Loose or damaged blade.	1.	Tighten or replace blade.
	2.	Damaged V-belt.	2.	Replace.
	3.	Worn cutterhead bearings.	3.	Check/replace cutterhead bearings.
-26-				Model G1033X (Mfg. since 4/10)