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– Position the guide tube (29) of the dust extraction attach-
ment in its holder such that the head of the dust extrac-
tion attachment rests on the surface to be drilled. Do not
slide the guide tube (29) further than necessary over the
telescopic tube (27), so that as much as possible of the
scale remains visible on the telescopic tube (27).
– Retighten the wing bolt (28). Loosen the clamping screw
(25) on the depth stop of the dust extraction attachment.
– Slide the depth stop (26) onto the telescopic tube (27)
so that the distance X shown in the illustration matches
your required drilling depth.
– Tighten the clamping screw (25) in this position.
Operation
Products that are only sold in AUS and NZ: Use a resid-
u
ual current device (RCD) with a nominal residual current
of 30 mA or less.
Start-up
Pay attention to the mains voltage. The voltage of the
u
power source must match the voltage specified on the
rating plate of the power tool. Power tools marked
with 230 V can also be operated with 220 V.
Setting the Operating Mode
GBH 2-24 RE:
Use the "drilling/hammer drilling" selector switch (16) to se-
lect the power tool's operating mode.
– To change the operating mode, press the release
button (15) and turn the "drilling/hammer drilling" se-
lector switch (16) until it clicks into the required position.
Note: Only change the operating mode when the power tool
is switched off. Otherwise, the power tool may become dam-
aged.
Position for hammer drilling into concrete
or stone
Position for drilling without impact in wood,
metal, ceramic and plastic and for screw-
driving
GBH 2-24 DRE, GBH 2-24 DFR:
The operating mode of the power tool is selected using the
impact/mode selector switch (11).
– To change the operating mode, press the release
button (10) and turn the impact/mode selector
switch (11) until it clicks into the required position.
Note: Only change the operating mode when the power tool
is switched off. Otherwise, the power tool may become dam-
aged.
Position for hammer drilling into concrete or
stone
Bosch Power Tools
Position for drilling without impact in wood,
metal, ceramic and plastic and for screwdriv-
ing
Vario-Lock position for adjusting the chisel po-
sition
The impact/mode selector switch (11) will not
engage in this position.
Position for chiselling
Setting the Rotational Direction
The rotational direction switch (7) is used to change the ro-
tational direction of the power tool. However, this is not pos-
sible while the on/off switch (9) is being pressed.
Only operate the rotational direction switch (7) when
u
the power tool is not in use.
Always set the rotational direction to clockwise rotation for
hammer drilling, drilling and chiselling.
– Rotate clockwise: Turn the rotational direction
switch (7) on both sides until it stops in the
– Rotate anticlockwise: Turn the rotational direction
switch (7) on both sides until it stops in the
Switching On/Off
– To switch on the power tool, press the on/off switch (9).
– To lock the on/off switch (9), press and hold it while also
pushing the lock-on button (8).
– To switch off the power tool, release the on/off switch
(9). If the on/off switch (9) is locked, press the switch
first and then release it.
Adjusting the Speed/Impact Rate
You can adjust the speed/impact rate of the power tool when
it is on by pressing in the on/off switch (9) to varying ex-
tents.
Applying light pressure to the on/off switch (9) results in a
low rotational speed/impact rate. Applying increasing pres-
sure to the switch increases the speed/impact rate.
Changing the chiselling position (Vario-Lock)
GBH 2-24 DRE, GBH 2-24 DFR
You can lock the chisel in 36 different positions, so you can
select the optimum working position for each task.
– Insert the chisel into the tool holder.
– Turn the impact/mode selector switch (11) to the "Vario-
Lock" position.
– Turn the application tool to the required chisel position.
– Turn the impact/mode selector switch (11) to the "chis-
elling" position. With this, the tool holder is locked.
– Set the rotational direction for chiselling to clockwise.
Practical Advice
Setting the drilling depth (see figure K)
You can use the depth stop (13) to set the required drilling
depth X.
English | 11
position.
position.
1 609 92A 77M | (22.12.2021)
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