3 ELECTRICAL
WARNING
The double insulated system is intended to protect
the user from shock resulting from a break in the
tool’s internal insulation. Observe all normal safety
precautions to avoid electrical shock.
Electrical connection
This product has a precision-built electric motor. It
should be connected to a power supply that is 120
V, AC only (normal household current), 60 Hz. Do
not operate this product on direct current (DC). A
substantial voltage drop will cause a loss of power and
the motor will overheat. If the product does not operate
when plugged into an outlet, double-check the power
supply.
Extension cords
When using a power tool at a considerable distance
from a power source, be sure to use an extension cord
that has the capacity to handle the current the product
will draw. An undersized cord will cause a drop in line
voltage, resulting in overheating and loss of power. Use
the chart to determine the minimum wire size required in
an extension cord. Only round jacketed cords listed by
Underwriter’s Laboratories (UL) should be used.
When working outdoors with a product, use an
extension cord that is designed for outside use. This
type of cord is designated with “W-A” or “W” on the
cord’s jacket.
Before using any extension cord, inspect it for loose or
exposed wires and cut or worn insulation.
A proper extension cord is available at an authorized
service center.
It is possible to tie the extension cord and power cord
in a knot to prevent them from becoming disconnected
during use. Make the knot as shown in the figure,
then connect the plug end of the power cord into the
receptacle end of the extension cord. This method can
also be used to tie two extension cords together.
Minimum Gauge for Extension Cords (AWG)
(when using 120 V only)
Amp Rating
Total Length of Cord in Feet (me-
ters)
More
Than
Not
More
Than
25' (7.6
m)
50' (15
m)
100'
(30 m)
150'
(45m)
0 6 18 16 16 14
6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12
Not Recommen-
ded
Keep the extension cord clear of the working area.
Position the cord so that it will not get caught on lumber,
tools, or other obstructions while you are working with
a power tool. Failure to do so can result in serious
personal injury.
Check extension cords before each use. If damaged
replace immediately. Never use the product with a
damaged cord since touching the damaged area could
cause electrical shock resulting in serious injury.
4 SYMBOLS ON THE PRODUCT
Some of the following symbols may be used on this
tool. Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate
the tool better and safer.
Symbol Name Explanation
V Volt Voltage
A Amperes Current
Hz Hertz
Frequency (cycles per
second)
W Watt Power
min Minutes Time
/min Per Minute
Revolutions, strokes, sur-
face speed, orbits etc.,
per minute
Alternating
Current
Type of current
Direct Cur-
rent
Type or a characteristic
of current
No Load
Speed
Rational speed, at no
load
Safety Alert
Precautions that involve
your safety.
Eye Protec-
tion
Always wear eye protec-
tion with side shields
marked to comply with
ANSI Z87.1 when operat-
ing this equipment.
WARNING
--- Wet Con-
ditions
Do not expose the prod-
uct to rain or moist condi-
tions.
5
English
EN
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