Chicago Electric 60428, Owner'S Manual

Page 9

For technical questions, please call 1-800-444-3353.

Item 60428 

SAFET

y

Op

ERA

TION

M

AINTENAN

c

E

SETU

p

Maintenance and Servicing

  Read 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 power Switch 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

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 
•  any other condition that may 

affect its safe operation.

2. 

AFTER USE,

 wipe external surfaces 

of the tool with clean cloth.

3.  If performance decreases, have the 

unit serviced and Carbon Brushes 

replaced by a qualified technician.

4. 

WARNING!  If the supply cord of this 

power tool is damaged, it must be replaced 

only by a qualified service technician.

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.  Forcing tool to work too fast.

2.  Extension cord too long or cord 

diameter too small. 

1.  Allow tool to work at its own rate.
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 on page 5.

Performance 

decreases over time.

1.  Carbon brushes worn 

or damaged.

2.  Attachment dull or damaged.

1.  Have qualified technician replace brushes. 

2.  Keep cutting accessories sharp.  Replace as needed.

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.  Attachment dull or damaged.
3.  Blocked motor housing vents. 

4.  Motor being strained by long or 

small diameter extension cord.

1.  Allow tool to work at its own rate.
2.  Keep cutting accessories sharp.  Replace as needed.
3.  Wear ANSI-approved safety goggles and 

NIOSH-approved dust mask/respirator while 

blowing dust out of motor using compressed air.

4.  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 on page 5.

  Follow all safety precautions whenever diagnosing or servicing the tool.   

Disconnect power supply before service.