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HOW TO USE
CAUTION:
To prevent accidents, make sure to turn the switch off and disconnect the plug from
the receptacle when the drill bits and other various parts are installed or removed. The
power switch should also be turned off during a work break and after work.
1. Switch operation
When the trigger switch is depressed,
the tool rotates. When the trigger is
released, the tool stops.
The rotational speed of the drill can be
controlled by varying the amount that
the Trigger switch is pulled. Speed is low
when the trigger switch is pulled slightly
and increases as the trigger switch is
pulled more.
The desired rotation speed can be pre-
selected with the speed control dial.
Turn the speed control dial clockwise for
higher speed and counterclockwise for
lower speed. (Fig. 10)
Pulling the trigger and pushing the
stopper, it keeps the switched-on
condition which is convenient for
continuous running. When switching off,
the stopper can be disconnected by
pulling the trigger again.
2. When using as a Drill or a Hammer Drill
(1) Pressing force of the drill
You cannot drill holes more quickly even if you press the drill with a stronger force
than necessary. It not only damages tip of drill bits and decreases the efficiency of
operation, but also shortens the life of the drill.
(2) In case of penetrating holes
Drill bits can be broken when the material being drilled is penetrated. It is important to
decrease pressing force just before penetrating.
CAUTION: In continuous operation, conduct no-load operation for five seconds after
completing a drilling job.
WARNING:
12
When a thick drill bit is used, your arm is subjected to larger reaction
force. Be careful not to be moved by the reaction force. For this, establish
a foothold, hold the unit tightly with both hands perpendicularly to the
material being drilled.
Speed
control dial
Low speed
Switch
trigger
Fig. 10
Stopper
High
speed
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