OBJ_BUCH-1884-002.book Page 16 Tuesday, September 24, 2013 8:10 AM
Reversing the rotational direction
(see figure C)
The rotational direction switch 8 is used to reverse the rota-
tional direction of the machine. However, this is not possible
with the On/Off switch 9 actuated.
Right Rotation: For drilling and driving in screws, push the
rotational direction switch 8 left to the stop.
Left Rotation: For loosening and unscrewing screws and
nuts, press the rotational direction switch 8 through to the right
stop.
Setting the torque
With the torque presetting ring 4 the required torque setting
can be preselected in 20 steps. With the correct setting, the
insert tool is stopped as soon as the screw is screwed flush into
the material or when the adjusted torque is reached. The
safety clutch is deactivated in the "
ing.
Select a higher setting or switch to the "
unscrewing screws.
Gear selection, mechanical
Actuate the gear selector 5 only when the
machine is at a standstill.
Two speed ranges can be preselected with the gear selector
5.
Gear I:
Low speed range; for screwdriving or working with large drill-
ing diameter.
Gear II:
High speed range; for working with small drilling diameter.
If the gear selector 5 cannot be pushed through to the stop,
lightly turn the tool holder 2 with the insert tool.
Switching On and Off
To start the machine, press the On/Off switch 9 and keep it
pressed.
The power light 11 lights up when the On/Off switch 9 is
slightly or completely pressed, and allows the work area to be
illuminated when lighting conditions are insufficient.
To switch off the machine, release the On/Off switch 9.
To save energy, only switch the power tool on when using it.
Adjusting the Speed
The speed of the switched on power tool can be variably
adjusted, depending on how far the On/Off switch 9 is
pressed.
Light pressure on the On/Off switch 9 results in a low rota-
tional speed. Further pressure on the switch results in an
increase in speed.
Fully automatic spindle locking
(Auto-lock)
When the On/Off switch 9 is not pressed, the drill spindle
and thus the tool holder are locked.
This enables screws to be screwed in, even when the battery
is empty and allows for the machine to be used as a screw-
driver.
Run-on Brake
When the On/Off switch 9 is released, the spindle brakes to
a stop, thus preventing the run-on of the tool.
When driving in screws, wait until the screw is screwed in flush
with the material and then release the On/Off switch 9. By
" position, e. g. for drill-
doing so, the head of the screw does not penetrate into the
material.
" symbol when
Battery Charge-control Indication
The battery charge-control indicator 10 consists of three
green LEDs, and indicates the charge condition of the battery
for a few seconds when the On/Off switch 9 is pressed half-
way or fully.
LED
Continuous lighting 3 x green
Continuous lighting 2 x green
Continuous lighting 1 x green
Flashing light 1 x green
Temperature Dependent Overload Pro-
tection
When using as intended for, the power tool cannot be subject
to overload. When the load is too high or the allowable bat-
tery temperature range of 0–70 °C is exceeded, the speed
is reduced. The power tool will not run at full speed until reach-
ing the allowable battery temperature.
Apply the power tool to the screw only when
it is switched off. Rotating tool inserts can slip off.
After longer periods of working at low speed, allow the
machine to cool down by running it for approx. 3 minutes at
maximum speed with no load.
Capacity
≥ 2/3
≥1/3
< 1/3
Reserve
Working Advice
16