Chicago Electric 91223 Owner's Manual download pdf (Page 17)

Page 17For technical questions, please call 1-888-866-5797.Item 91223

Troubleshooting

Problem Possible Causes Likely Solutions

Tool will not start. 1. Cord not connected.

2. No power at outlet.

3. Tool’s thermal reset

breaker tripped (if equipped).

4. Internal damage or wear. (Carbon

brushes or switch, for example.)

1. Check that cord is plugged in.

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. Turn off tool and allow to cool.

Press reset button on tool.

4. Have technician service tool.

Tool operates slowly. 1. Excess pressure applied to workpiece.

2. Power being reduced by long or

small diameter extension cord.

1. Decrease pressure, allow tool to do the work.

2. Eliminate use of extension cord.

If an extension cord is needed, use one with

the proper diameter for its length and load.

See Extension Cords in GROUNDING section.

Performance

decreases over time.

Carbon brushes worn or damaged. Have qualified technician replace brushes.

Excessive noise

or rattling.

Internal damage or wear.

(Carbon brushes or bearings, for example.)

Have technician service tool.

Overheating. 1. Forcing tool to work too fast.

2. Blocked motor housing vents.

3. Motor being strained by long or

small diameter extension cord.

1. Allow tool to work at its own rate.

2. Wear ANSI-approved safety goggles and

NIOSH-approved dust mask/respirator while

blowing dust out of motor using compressed air.

3. Eliminate use of extension cord.

If an 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, sand or

brush effectively.

1. Disc accessory may be

loose on Spindle.

2. Disc accessory may be damaged,

worn or wrong type for the material.

1. Be sure disc accessory is of correct dimension

and Outer Flange Arbor Nut is tight.

2. Check condition and type of disc accessory.

Use only proper type of disc

accessory in good condition.

Follow all safety precautions whenever diagnosing or servicing

the tool. Disconnect power supply before service.

SAFETYOPERATIONMAINTENANCE SETUP

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Chicago Electric 91223 Owner's Manual Page 17

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