English | 11
u Products that are only sold in AUS and NZ: Use a resid-
ual current device (RCD) with a nominal residual current
of 30 mA or less.
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" selector
switch (16) until it clicks into the required position.
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.
GBH 2-24 RE GBH 2-24 DRE
GBH 2-24 DFR
Position for hammer
drilling into concrete
or stone
Position for drilling
without impact in
wood, metal, ceramic
and plastic and for
screwdriving
Vario-Lock position
for adjusting the chisel
position
The impact/mode se-
lector switch (11) will
not engage in this posi-
tion.
Position for chiselling
Setting the Rotational Direction
u Only operate the rotational direction switch(7) when
the power tool is not in use.
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.
–
Rotate clockwise: Turn the rotational direction
switch (7) on both sides until it stops in the
position.
–
Rotate anti-clockwise: Turn the rotational direction
switch (7) on both sides until it stops in the
position.
– Always set the rotational direction to clockwise rotation
for hammer drilling, drilling and chiselling.
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.
Overload clutch
u If the application tool jams or snags, the power trans-
mission to the drill spindle will be interrupted. Always
hold the power tool firmly with both hands to with-
stand the forces this may create and adopt a position
with stable footing.
u Switch the power tool off immediately and remove the
application tool if the power tool becomes blocked.
Switching on when the drilling tool is blocked may
cause high torque reactions.
Practical Advice
u Pull the plug out of the socket before carrying out any
work on the power tool.
u Hold power tool by insulated gripping surfaces when
performing an operation where the cutting accessory
or fastener may contact hidden wiring or its own cord.
Cutting accessory and fasteners contacting a "live" wire
may make exposed metal parts of the power tool "live"
and could give the operator an electric shock.
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.
Inserting screwdriver bits (see figure L)
u Only apply the power tool to the screw/nut when the
tool is switched off. Rotating tool inserts can slip off.
A universal holder (30) with SDS-plus shank (accessory) is
required to work with screwdriver bits.
– Clean and lightly grease the insertion end of the shank.
– Insert the universal holder into the tool holder while turn-
ing it until it locks automatically.
Bosch Power Tools 1 609 92A 4VG | (24.01.2019)
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