Troubleshooting

Problem		Possible Causes		Likely Solutions
Tool will not start.	1.	Cord not connected.	1.	Check that cord is plugged into 120V
				outlet.
	2.	No power at outlet.	2.	Check power at outlet. If outlet is
				unpowered, turn off tool and check circuit
				breaker. If breaker is tripped, make sure
				circuit is right capacity for tool and circuit
				has no other loads.
	3.	Internal damage or wear. (Carbon	3.	Have technician service tool.
		brushes or switch, for example.)
Tool operates slowly.	1.	Tool is set on slow speed setting.	1.	Increase speed setting.

2.Excess pressure applied to workpiece. 2. Decrease pressure, allow tool to do the work.

	3.	Power being reduced by too lengthy or	3.	Eliminate use of extension cord. If an
		small diameter extension cord.		extension cord is needed, use one with
				the proper diameter for its length and load.
				See Extension Cords in GROUNDING
				section.
Performance	Worn internal components.		Have qualified technician service tool.
decreases over time.
Excessive noise or	Internal damage or wear. (Worn bearings,		Have technician service tool.
rattling.	for example.)
Overheating.	1.	Forcing tool to work too fast.	1.	Allow tool to work at its own rate.
	2.	Blocked motor housing vents.	2.	Wear ANSI-approved safety goggles and
				NIOSH-approved dust mask/respirator
				while blowing dust out of motor using
				compressed air.
	3.	Motor being strained by too lengthy or	3.	Eliminate use of extension cord. If an
		small diameter extension cord.		extension cord is needed, use one with
				the proper diameter for its length and load.
				See Extension Cords in GROUNDING
				section.
Tool does not grind,	1.	Disc accessory may be loose on	1.	Be sure disc accessory is of correct
sand or brush		Spindle. Check tightness of Collet Nut		dimension and Collet Nut is tight.
effectively.		or threaded disc accessory on Spindle.
	2.	Disc accessory may be damaged, worn	2.	Check condition and type of disc
		or wrong type for the material.		accessory. Use only proper type of disc
				accessory. Accessories must be in good
				condition.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

SKU 40457

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