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6 — English
SYMBOLS
Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate the product better and safer.
SYMBOL NAME DESIGNATION/EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
Alternating Current Type of current
n
o
No Load Speed Rotational speed, at no load
Class II Construction Double-insulated construction
.../min Per Minute Revolutions, strokes, surface speed, orbits etc., per minute
GROUND FAULT CIRCUIT INTERRUPTER
See Figure 1.
This unit is equipped with a Ground Fault Circuit Interrupter
(GFCI), which guards against the hazards of ground fault
currents. An example of ground fault current is the current
that would flow through a person who is using an appliance
with faulty insulation and, at the same time, is in contact
with an electrical ground such as a plumbing fixture, wet
floor, or earth.
GFCI plugs do not protect against short circuits, overloads,
or shocks.
NOTE: After the unit is connected to a power source, it is
ready for use. It is not necessary to press the reset button
before initial start up.
The GFCI plug can be tested with the TEST and RESET
buttons.
To test:
Depress the TEST button. This should cause the RESET
button to pop out.
To restore power, depress the RESET button.
Perform this test monthly to ensure proper operation of the
GFCI.
DOUBLE INSULATION
Double insulation is a concept in safety in electric power
tools, which eliminates the need for the usual three-
wire grounded power cord. All exposed metal parts are
isolated from the internal metal motor components with
protecting insulation. Double insulated products do not need
to be grounded.
WARNING:
The double insulated system is intended to protect the
user from shock resulting from a break in the product’s
internal insulation. Observe all normal safety precautions
to avoid electrical shock.
NOTE: Servicing of a product with double insulation requires
extreme care and knowledge of the system and should be
performed only by a qualified service technician. For service,
we suggest you return the product to your nearest authorized
service center for repair. Always use original factory replace-
ment parts when servicing.
ELECTRICAL CONNECTION
This product has a precision-built electric motor. It should
be connected to a power supply that is 120 volts, 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.
ELECTRICAL