BLACK&DECKER AST1 Manual Del Usuario página 8

E N G L I S H
ASSEMBLY
Before attempting any of the following
operations, make sure that the tool is
switched off and unplugged.
Fitting the side handle (fig. B)
Turn the grip (9) counterclockwise until you can
slide the side handle (5) onto the front of the
tool as shown.
Rotate the side handle into the desired position.
Tighten the side handle by turning the grip
clockwise.
Fitting a drill bit or screwdriver bit
Keyless chuck (fig. C)
Open the chuck by turning the front part (10)
with one hand while holding the rear part (11)
with the other.
Insert the bit shaft (12) into the chuck and
firmly tighten the chuck.
Keyed chuck (fig. D)
Open the chuck by turning the sleeve (13).
Insert the bit shaft (12) into the chuck.
Insert the chuck key (14) into each hole (15) in
the side of the chuck and turn until tight.
Removing and refitting the chuck (fig. E)
Open the chuck as far as possible.
Remove the chuck retaining screw by turning it
clockwise using a screwdriver.
Tighten an Allen key (16) into the chuck and
strike it with a hammer as shown.
Remove the Allen key.
Remove the chuck by turning it counterclockwise.
To refit the chuck, screw it onto the spindle
and secure it with the chuck retaining screw.
USE
Let the tool work at its own pace.
Do not overload.
Before drilling into walls, floors or
ceilings, check for the location of wiring
and pipes.
8
Selecting the direction of rotation (fig. A)
For drilling and for tightening screws, slide the
forward/reverse switch (7) forward.
For loosening screws or removing a jammed
drill bit, slide the forward/reverse switch (7)
backward.
Never change the direction of rotation
while the motor is running.
Selecting the drilling mode (fig. A)
For drilling in masonry, set the drilling mode
selector (4) to the
For drilling in other materials and for
screwdriving, set the drilling mode selector (4)
to the position.
Switching on and off (fig. A)
Variable speed switch
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 at full speed.
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.
On/off switch
To switch the tool on, press the on/off switch (1).
If the tool has a two-speed selector (3), set it to
the required speed range. 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 on/off switch.
To switch the tool off, release the on/off
switch. To switch the tool off when in
continuous operation, press the on/off switch
once more and release it.
position.