Hitachi Koki D 10VH Manual De Instrucciones página 13

HOW TO USE
CAUTION:
To prevent accidents, make sure to turn the sw itch off and disconnect the plug from
the receptacle w hen the drill bits and other various parts are installed or removed. The
pow er sw itch should also be turned off during a w ork break and after w ork.
1. Sw itch operation
When the trigger sw itch 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 am ount that the
Trigger sw itch is pulled. Speed is low w hen
the trigger sw itch is pulled slightly and
increases as the trigger sw itch is pulled
m ore.
The desired rotation speed can be pre-
selected w ith the speed control dial.
Turn the speed control dial clockw ise for
higher speed and counterclockw ise for
low er speed. (Fig. 9)
Pulling the trigger and pushing the stopper,
it keeps the sw itched-on condition w hich is
convenient for continuous running. When
sw i t ch i n g o f f , t h e st o p p er can b e
disconnected by pulling the trigger again.
2. Drilling
When drilling, start the drill slow ly, and gradually increasing speed as you drill.
Alw ays apply pressure in a straight line w ith the bit. Use enough pressure to keep
drilling, but do not push hard enough to stall the m otor or deflect the bit.
To m inim ize stalling or breaking through the m aterial, reduce pressure on drill and
ease the bit through the last part of the hole.
If the drill stalls, release the trigger im m ediately, rem ove the bit from the w ork and
start again. Do not click the trigger on and off in an attem pt to start a stalled drill. This
can dam age the drill.
The larger the drill bit diam eter, the larger the reactive force on your arm .
Be careful not to lose control of the drill because of this reactive force.
To m aintain firm control, establish a good foothold, use side handle, hold the drill
tightly w ith both hand, and ensure that the drill is vertical to the m aterial being drilled.
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Speed
control dial
Low speed
Fig. 9
English
Stopper
High
speed
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