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12 | English
Operation
Starting 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.
Pay attention to the mains voltage. The voltage of the
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power source must match the voltage specified on the
rating plate of the power tool.
Dusts, e. g. mineral dusts, can be harmful to health. Touch-
ing or breathing in this dust can trigger allergic reactions
and/or cause respiratory illnesses in the user or in people in
the near vicinity.
Materials containing asbestos may only be machined by spe-
cialists.
– Provide good ventilation at the workplace.
– It is advisable to wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
Mechanical gear selection
Operate the gear selector switch only when the power
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tool is not in use.
Turn the gear selector switch (3) to the required gear (I or
II).
You can preselect two speed ranges with the gear selector
switch (3).
Gear I:
Low speed range
Gear II:
High speed range
Switching on/off
To start the power tool, press the on/off switch (1). To lock
the on/off switch (1), press the lock on button (5) and re-
lease the on/off switch (1).
To switch off the power tool, press briefly on the on/off
switch (1) and then release it.
Adjusting the Speed
The required speed can be preselected with the speed
preselection thumbwheel (2) (even during operation).
The speed needed depends on the mixing material that is to
be mixed and the work conditions.
1 609 92A 8ZW | (16.11.2023)
Soft start
The electronic soft start slowly increases the speed if the on/
off switch (1) is pressed. This prevents the mixing material
that is to be mixed from splashing.
Constant Electronic control
The constant electronic control keeps a constant speed
when at no load and under certain load conditions. This
guarantees a uniform performance.
Indicator for changing the carbon brush
The indicator for changing the carbon brush (9) blinks red
when the carbon brushes are worn. The carbon brushes
must be replaced. To do this, send the power tool to an au-
thorised after-sales service centre for Bosch power tools
(see "After-Sales Service and Application Service",
page 13).
Restart protection
The restart protection feature prevents the power tool from
uncontrolled starting after the power supply to it has been
interrupted.
To restart the tool, set the on/off switch (1) to the "off" posi-
tion and then switch the power tool on again.
Work instructions for mixing
Avoid splashing the material. Otherwise you could slip
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and lose control of the power tool.
Avoid continuously operating the power tool at re-
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duced speed. Otherwise the motor of the power tool
could overheat.
Selection of the mixer basket is dependent on the mixing
material that is to be mixed.
For mixing materials with low viscosity, e.g. emulsion paint,
varnishes, adhesive, grouting compound or cement slurry,
use a mixer basket with a left-hand spiral. The material is
moved from the top downwards in a mixer basket with a left-
hand spiral. The mixer basket is pushed upwards. Mixing ma-
terials with low viscosity are mixed in a way which minimises
splattering.
For mixing materials with high viscosity, e.g. ready-mixed
plaster, concrete, cement, screed, filler or epoxy resin, use a
mixer basket with right-hand spiral. The material is moved
from the bottom upwards in a mixer basket with a right-hand
spiral. The mixer basket works its way into the mixture. Mix-
ing materials with high viscosity are mixed thoroughly.
Move the power tool up and down when working. Clean the
mixer basket after use.
Store the power tool in a safe place. Ensure that it can-
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not fall over. The power tool may become damaged if this
happens.
Maintenance and Service
Maintenance and Cleaning
Pull the plug out of the socket before carrying out any
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work on the power tool.
Bosch Power Tools
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