Electrical Requirements And Safety; Double Insulated; Motor Safety Protection; Guidelines For Extension Cords - Craftsman 137.212540 Operator's Manual

15 amp 3 hp (max. developed) 10" blade 4800 r.p.m. laser compound miter saw with retractable laser trac system
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ELECTRICAL
REQUIREMENTS - cont'd
DOUBLE INSULATED
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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:
4. FUSES may "blow" or circuit breakers may trip
frequently if:
a. MOTOR is overloaded - overloading can occur if
you feed too rapidly or make too many start/stops
in a short time.
b. LINE VOLTAGE is more than 10% above or below
the nameplate voltage rating. For heavy loads, the
voltage at motor terminals must equal the voltage
specified on the nameplate.
c. IMPROPER or dull saw blades are used.
5. Most motor troubles may be traced to loose or incorrect
connections, overload, low voltage or inadequate power
supply wiring. Always check the connections, the load
and supply circuit if the motor doesn't run well. Check
minimum gauge for the length of cord you are using on
the chart below.
....
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To reduce the risk of electrical shock, this saw has a
polarized plug (one blade is wider than the other). This
plug will fit in a polarized outlet only one way. If the plug
does not fit fully in the outlet, reverse the plug. If it still
does not fit, contact a qualified 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 qualified 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 120'7, 15 amp. circuit with a 15
amp. time delay fuse or circuit breaker. Using the wrong
size fuse can damage the motor.
2. If the motor won't 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
finished.
GUIDELINES FOR EXTENSION CORDS
Use a proper extension
cord. Make sure your extension
cord is in good condition. When using an extension cord,
be sure to use one heavy enough to carry the current your
product will draw.
An undersized cord will cause a drop in
line voltage, resulting in loss of power and cause
overheating. The table below shows the correct size to use
depending on cord length and nameplate ampere rating. If
in doubt, use the next heavier gauge. The smaller the
gauge number, the heavier the cord.
Be sure your extension cord is properly wired and in
good condition. Always replace a damaged extension cord
or have it repaired by a qualified person before using it.
Protect your extension cords from sharp objects, excessive
heat and damp or wet areas.
Use a separate electrical circuit for your tools. This
circuit must not be less than # 12 wire and should be
protected with a 15 Amp time delay fuse. Before
connecting the tool to the power line, make sure the switch
is in the OFF position and the electric current is rated the
same as the current stamped on the motor nameplate,
running at a lower voltage will damage the motor.
II Lv_
II_IhV_ |ll Lv_
[cf:ll[_ :11 _[e] t .i :lKii :1 __,"] [e]_[_e] t._ ;}.lf:YAVLc_ll
(When using 120 volts only)
Ampere
Rating
Total length of cord in feet
more than
not more than
25'
50'
100'
150'
0
6
18
16
16
14
6
10
I8
I6
I4
12
10
12
16
16
14
12
12
16
14
12
not recommended
CAUTION: In all cases make certain the receptacle in
question is properly grounded. If you are not sure have a
certified electrician, check the receptacle.

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