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11 GB/IE/CY
drill chuck
8
you can use the tool. The spindle
lock releases automatically when the motor starts.
Q
First use
The mains voltage at the mains socket must match
that shown on the rating plate on the device. Devic-
es marked with 230 V can also be operated at 220 V.
Q
Switching on and off
When operating the hammer-action drill you can
select between intermittent or continuous operation
mode. Use intermittent operation mode for shorter
drilling jobs and continuous operation mode for
longer drilling jobs. In either mode the device func-
tions as follows:
To switch on intermittent operation mode:
j Press the ON / OFF switch
2
.
To switch off intermittent operation mode:
j Release the ON / OFF switch
2
.
To switch on continuous operation mode:
j Press the ON / OFF switch
2
, keep it pressed
and press the lock switch
3
.
To switch off continuous operation mode:
j Press and then release the ON / OFF switch
2
.
Q
Infinitely adjustable speed
setting
The ON / OFF switch
2
has a variable speed
control.
j Pressing the ON / OFF switch
2
increases the
speed.
Q
Preselecting the rotation speed
You can pre-select the required speed in ratchet
steps (A-F) using the speed preselector wheel
4
.
j The most suitable speed depends on the mate-
rial involved. We recommend that you carry
out a few practical tests beforehand.
Tip: You will always find these two basic guide-
lines helpful:
1. Large drill diameter = lower speed whilst
smaller drill diameter = higher speed
2. Hard material = lower speed
Q
Selecting the direction of
rotation
CAUTION! Only change the position of the rota-
tion direction switch
5
after the device has come
to a standstill.
j Set the direction in which you wish the drill to
rotate by using the rotation direction switch
5
.
Q
Selecting the gear
CAUTION! The gear selector switch
6
must only
be moved after the device has come to a standstill.
j Select the speed range using the gear selector
switch
6
:
1 = low speed range
2 = high speed range
Q
Switching between drilling /
hammer-action
Note: The drill / hammer-action switch
1
must
only be moved after the device has come to a
standstill.
Before first use / First use
E3334_PSBM 850_Content_LB6.indd 11 11.04.2008 13:28:30 Uhr