Bosch GBH 18V-34 CF Professional Originalbetriebsanleitung Seite 22

22 | English
Avoid dust accumulation at the workplace. Dust can
u
easily ignite.
Operation
Start-up
Ensure that the cover (13) of the Bluetooth
u
Module GCY 42 is closed during operation. This will pre-
vent dust from getting in.
Setting the Operating Mode (see figure H)
You can use the combi switch (7) to select the operating
mode of the power tool.
Note: Only change the operating mode when the power tool
is switched off. Otherwise, the power tool may become dam-
aged.
Note: If you switch to a different operating mode while the
on/off switch is locked, the power tool will switch off.
– To change the operating mode, turn the combi switch (7)
to the required position until you hear it click into place.
Position for hammer drilling into concrete or
stone
GBH 18V-34 CF with keyless quick-change
chuck (1): Position for drilling without impact
in wood, metal, ceramic and plastic (clock-
wise)
Anti-clockwise position for loosening the ap-
plication tool from the workpiece
Vario-Lock position for changing the chiselling
position.
Position for chiselling
Status indications
Battery charge indicator Meaning/cause
(user interface) (23)
Green (2 to 5 bars) Battery charged
Yellow (1 bar) Battery almost empty
Red (1 bar) Battery empty
Temperature indicator (29) Meaning/cause
Yellow Operating temperature of the battery or the
power tool has significantly increased, per-
formance is reduced
1 609 92A 7SJ | (23.06.2022)
Switching On/Off
– If necessary, release the lock-on button (9) for the on/off
switch.
– To switch on the power tool, press the on/off
switch (11).
The lamp lights up when the on/off switch (11) is lightly or
fully pressed, meaning that the work area is illuminated in
®
Low Energy
poor lighting conditions.
– To switch off the power tool, release the on/off switch
(11).
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 (11) to varying ex-
tents.
Applying light pressure to the on/off switch (11) results in a
low rotational speed/impact rate. Applying increasing pres-
sure to the switch increases the speed/impact rate.
You can also control the speed on the user interface and/or
via a smartphone app: .
Changing the chiselling position (Vario-Lock)
You can lock the chisel in 16 different positions, so you can
select the optimum working position for each task.
– Insert the chisel into the tool holder.
– Turn the combi switch (7) to the "drilling" position.
– Turn the application tool to the required chisel position.
– Turn the combi switch (7) to the "chiselling" position.
With this, the tool holder is locked.
Chiselling with lock function
To chisel for extended periods without pressing the on/off
switch (11), lock the on/off switch in "chiselling" operating
mode.
– To lock the power tool, press the on/off switch (11)
down fully whilst simultaneously pressing the lock-on
switch (9).
– To switch the lock off, press the lock-on button (9) again.
User interface (see figure I)
The user interface (19) is used to select the working mode
and to indicate the status of the power tool.
Solution
–
Replace or charge battery soon
Replace or charge battery
Solution
Leave the power tool to cool down or replace
overheated battery
Bosch Power Tools