Bosch GBH 2-23 RE Professional Notice Originale page 23

22 | English
Adjusting the Drilling Depth on the Dust Ex-
traction Attachment (see figure G)
The required drilling depth X can also be adjust-
ed when the dust extraction attachment is
mounted.
Insert the SDS-plus drilling tool to the stop into
the SDS-plus tool holder 1. Otherwise, the mov-
ability of the SDS-plus drilling tool can lead to
incorrect adjustment of the drilling depth.
Loosen the wing bolt 19 on the dust extraction
attachment.
Without switching the power tool on, apply it
firmly to the drilling location. The SDS-plus drill-
ing tool must face against the surface.
Position the the guide pipe 20 of the dust ex-
traction attachment in its holding fixture in such
a manner that the head of the dust extraction at-
tachment faces against the surface to be drilled.
Do not slide the guide pipe 20 further over the
telescopic pipe 18 of the dust extraction attach-
ment than required, so that as much as possible
of the scale 18 on the telescopic pipe remains
visible.
Retighten the wing bolt 19 again. Loosen the
clamping screw 16 on the depth stop of the dust
extraction attachment.
Move the depth stop 17 on the telescopic pipe
18 in such a manner that the clearance X shown
in the figure corresponds with the required drill-
ing depth.
Tighten the clamping screw 16 in this position.
Operation
Starting Operation
Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the nameplate of the
machine. Power tools marked with 230 V
can also be operated with 220 V.
Setting the Operating Mode
With the selector switch for drilling/hammer
drilling 7, the operating mode of the machine is
selected.
1 619 929 857 | (28.7.09)
Note: Change the operating mode only when the
machine is switched off! Otherwise, the ma-
chine can be damaged.
To change the operating mode, press the re-
lease button 8 and turn the drilling/hammer
drilling selector switch 7 to the desired position
until it can be heard to latch.
Position for hammer drilling in
concrete or stone as well as for
chiselling (chiselling only with the
MV 200 accessory)
Position for drilling without impact
in wood, metal, ceramic and plastic
as well as for screwdriving
Reversing the Rotational Direction
The rotational direction switch 4 is used to re-
verse the rotational direction of the machine.
However, this is not possible with the On/Off
switch 6 actuated.
Right rotation: Turn the selector switch for
drilling/hammer drilling 4 on both sides to
the stop in the position
Left rotation: Turn the selector switch for
drilling/hammer drilling 4 on both sides to
the stop in the position
Set the direction of rotation for hammer drilling,
drilling and chiselling always to right rotation.
Switching On and Off
To start the machine, press the On/Off switch 6.
To lock the On/Off switch 6, keep it pressed and
additionally push the lock-on button 5.
To switch off the machine, release the On/Off
switch 6. When the On/Off switch 6 is locked,
press it first and then release it.
Setting the Speed/Impact Rate
The speed/impact rate of the switched on pow-
er tool can be variably adjusted, depending on
how far the On/Off switch 6 is pressed.
Light pressure on the On/Off switch 6 results in
low speed/impact rate. Further pressure on the
switch increases the speed/impact rate.
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Bosch Power Tools