Chicago Electric 94338 manual Cleaning, Maintenance, and Lubrication, Troubleshooting

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Maintenance and Servicing

Procedures not specifically explained in this manual must be performed only by a qualified technician.

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:

Make sure that the Trigger is in the off‑position and unplug the tool from its electrical outlet before performing any procedure in this section.

TO PREVENT SERIOUS INJURY FROM TOOL FAILURE:

Do not use damaged equipment. If abnormal noise or vibration occurs, have the problem corrected before further use.

Cleaning, Maintenance, and Lubrication

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1.BEFORE EACH USE, inspect the general condition of the tool. Check for:

•loose hardware,

•misalignment or binding of moving parts,

•damaged cord/electrical wiring,

•cracked or broken parts, and

•any other condition that may affect its safe operation.

Troubleshooting

2.AFTER USE, wipe external surfaces of the tool with clean cloth.

3.WARNING! If the supply cord of this power tool is damaged, it must be replaced only by a qualified service technician.

Operation

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Maintenan

Problem		Possible Causes		Likely Solutions
Tool will not start.	1.	Cord not connected.	1.	Check that cord is plugged in.
	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.	Tool’s thermal reset breaker	3.	Turn off tool and allow to cool. Press reset button on tool.
		tripped (if equipped).	4.	Have technician service tool.
	4.	Internal damage or wear. (Carbon
		brushes or Trigger, for example.)
Tool operates slowly.	1.	Forcing tool to work too fast.	1.	Allow tool to work at its own rate.
	2.	Extension cord too long or cord	2.	Eliminate use of extension cord. If an extension
		diameter too small.		cord is needed, use one with the proper diameter
				for its length and load. See Extension Cords
				in Grounding section on page 6.
Performance	1.	Carbon brushes worn or damaged.	1.	Have qualified technician replace brushes.
decreases over time.
Excessive noise	Internal damage or wear. (Carbon		Have technician service tool.
or rattling.	brushes or bearings, 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 long or	3.	Eliminate use of extension cord. If an extension
		small diameter extension cord.		cord is needed, use one with the proper diameter
				for its length and load. See Extension Cords
				in Grounding section on page 6.

Follow all safety precautions whenever diagnosing or servicing the tool.

Disconnect power supply before service.

Page 10 For technical questions, please call 1-800-444-3353. Item 94338