Black & Decker KD750 Manuel D'instructions page 8

ENGLISH
Selecting the operating mode
(fig. B)
The tool can be used in three operating modes.
Press in the button (11) and rotate the drilling
mode selector (4) towards the required position,
as indicated by the symbols.
Drilling
•
For drilling in steel, wood and plastics, set
the operating mode selector (4) to the
position.
Hammer drilling
•
For hammer drilling in masonry and
concrete, set the operating mode selector (4)
to the position
•
When hammering, the tool should not
bounce and run smoothly. If necessary,
increase the speed.
Hammering
•
For hammering with spindle lock, and for
light chiselling and chipping, set the
operating mode selector (4) to the position.
•
Make sure the forward/reverse switch is in
the forward position.
•
When changing from hammer drilling to
chiselling, turn the chisel to the desired
position. If resistance is felt during mode
change, slightly turn the chisel to engage the
spindle lock.
•
When hammering with spindle lock, the
angle of the bit may be changed. Set the
operating mode selector (4) to the
position, the angle of the bit may now be
changed by rotating the tool holder (6). Set
the operating mode selector (4) to the
position, before continuing.
8
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Selecting the direction of
rotation
For drilling, for tightening screws and for
chiselling, use forward (clockwise) rotation. For
loosening screws or removing a jammed drill bit,
use reverse (counterclockwise) rotation.
•
To select forward rotation, push the
forward/reverse slider (3) to the left.
•
To select reverse rotation, push the
forward/reverse slider to the right.
Warning! Never change the direction of rotation
while the motor is running.
Setting the drilling depth (fig. C)
•
Press in the depth lock button (8).
•
Set the depth stop (7) to the desired position.
The maximum drilling depth is equal to the
distance between the tip of the drill bit and the
front end of the depth stop.
•
Release the depth lock button.
Switching on and off
•
To switch the tool on, press the variable
speed switch (1). The tool speed depends on
how far you press the switch.
•
As a general rule, use low speeds for large
diameter drill bits and high speeds for smaller
diameter drill bits.
•
For continuous operation, press the lock-on
button (2) and release the variable speed
switch. This option is available only in forward
(clockwise) rotation.
•
To switch the tool off, release the variable
speed switch. To switch the tool off when in
continuous operation, press the variable
speed switch once more and release it.