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6
Symbols
IMPORTANT:
Some of the following symbols may be used on your 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
Designation/Explanation
V
Volts
Voltage (potential)
A
Amperes
Current
Hz
Hertz
Frequency (cycles per second)
W
Watt
Power
kg
Kilograms
Weight
min
Minutes
Time
s
Seconds
Time
⌀
Diameter
Size of drill bits, grinding wheels, etc.
n
0
No load speed
Rotational speed, at no load
n
Rated speed
Maximum attainable speed
.../min
Revolutions or reciprocation per min-
ute
Revolutions, strokes, surface speed, or-
bits etc. per minute
psi
Pounds per square inch
Pressure
0
Off position
Zero speed, zero torque...
1, 2, 3, ...
I, II, III,
Selector settings
Speed, torque or position settings. Higher
number means greater speed
Infinitely variable selector with off
Speed is increasing from 0 setting
Arrow
Action in the direction of arrow
Alternating current
Type or a characteristic of current
Direct current
Type or a characteristic of current
Alternating or direct current
Type or a characteristic of current
Class II construction
Designates Double Insulated Construc-
tion tools.
Earthing terminal
Grounding terminal
Read manual symbol
Alerts user to read manual
Wear eye protection symbol
Alerts user to wear eye protection
Summary of Contents for SPT79A
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