Craftsman 12 Single Bevel Sliding Compound Miter Saw (21239) Owner's Manual | Page 10

Craftsman Miter Saws Owner's Manual - 12 Single Bevel Sliding Compound Miter Saw (21239).
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10

ELECTRICAL REQUIREMENTS – 
cont’d 
DOUBLE INSULATED   
The power tool is double insulated to 
provide a double thickness of insulation 
between you and tool’s electrical 
system. All exposed metal parts are 
isolated from the internal metal motor 
components with protecting insulation. 

Replacement parts – When servicing, 
use only identical replacement parts.

Polarized plugs – This saw has a plug 
that looks like the one shown below:

To reduce the risk of electrical shock, 
this saw has a polarized plug (one 
blade is wider than the other). This plug 
will fi t in a polarized outlet only one 
way. If the plug does not fi t fully in the 
outlet, reverse the plug. If it still does 
not fi t, contact a qualifi ed electrician to 
install the proper outlet. Do not change 
the plug in any way.

Double insulation does not take the 
place of normal safety precautions 
when operating this tool.
To avoid electrocution:

1.  Use only identical replacement parts 

when servicing a tool with double 
insulation. Servicing should be 
performed by a qualifi ed technician.

2.  Do not use power tools in wet or 

damp locations or expose them to 
rain or snow.

MOTOR SAFETY PROTECTION
IMPORTANT
To avoid motor damage, the motor 
should be blown out or vacuumed 
frequently to keep sawdust from 
interfering with the motor ventilation.
1. Connect this saw to a 120 V circuit. 

This circuit must not be less than a 
#12 wire with a 20 A time lag fuse or 
a #14 wire with a 15 A time lag fuse. 
NOTE: When using an extension 
cord on a circuit with a #14 wire, the 
extension cord must not exceed 25 
feet in length. 

2. If the motor will not start, release the 

trigger switch immediately. UNPLUG 
THE SAW
. Check the saw blade to 
make sure it turns freely. If the blade 
is free, try to start the saw again. If 
the motor still does not start, refer to 
the TROUBLESHOOTING GUIDE.

3. If the tool suddenly stalls while 

cutting wood, release the trigger 
switch, unplug the tool and free the 
blade from the wood. The saw may 
now be started and the cut fi nished.

4. FUSES may “blow” or circuit 

breakers may trip frequently if:
a.  MOTOR is overloaded – 

overloading can occur if you feed 

WARNING

!

ELECTRICAL REQUIREMENTS AND SAFETY

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