Maintenance And Service - Bosch GBH 18V-40 C Professional Originalbetriebsanleitung

22 | English
Working mode (18) indic- Functions
ator
Soft working mode: Reduced power for processing sensitive materials
lights up
– "Hammer drilling" operating mode (Electronic Precision Control soft start): Slow, strictly
– Rapid Shut-off (KickBack Control) active
– "Chiselling" operating mode (Adaptive Speed Control soft start): Slow, strictly controlled
Connectivity functions
In conjunction with the Bluetooth® Low Energy Module
GCY 42, the following connectivity functions are available
for the power tool:
– Registration and personalisation
– Status check, output of warning messages
– General information and settings
– Management
Read the corresponding operating instructions for informa-
tion about the Bluetooth® Low Energy Module GCY 42.
Practical Advice
With the Bluetooth® Low Energy Module GCY 42, the
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power tool is equipped with a radio interface. Local
operating restrictions, e.g. in aircraft or hospitals,
must be observed.
In areas where the Bluetooth® wireless technology is
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not allowed to be used, the Bluetooth® Low Energy
Module GCY 42 and the button cell must be removed.
Note: The cover (15) can only be securely closed if the
Bluetooth® Low Energy Module GCY 42 and the button cell
are situated in the power tool.
– To deactivate the Bluetooth® Low Energy Module
GCY 42, rotate the button cell or place means of insula-
tion between the button cell and Bluetooth® Low Energy
Module GCY 42.
– Close the cover (15) to prevent dirt from getting in.
Overload clutch
If the application tool jams or snags, the power trans-
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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.
Switch the power tool off immediately and remove the
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application tool if the power tool becomes blocked.
Switching on when the drilling tool is blocked may
cause high torque reactions.
Rapid shut-off (KickBack Control)
The rapid shut-off function (KickBack
Control) gives the user greater control
over the power tool and offers them bet-
ter protection than power tools that do
not have Kickback Control. If the power
tool suddenly and unforeseeably rotates
around the drilling axis, it will switch off,
1 609 92A 74B | (18.05.2022)
controlled run-up up to reduced, low power
run-up up to reduced power
– To switch the tool back on, release the on/off switch (9)
Electronic Precision Control (EPC)
EPC assists you when drilling and when working with impact
in sensitive materials by ensuring slow start-up of the operat-
ing speed for precise working.
Adaptive Speed Control in "Chiselling" Operating Mode
Vibration damping
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Maintenance and Service

Maintenance and Cleaning
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– Clean the tool holder (2) after each use.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
the rapid shut-off indicator (17) will light
up red and the worklight (11) will flash.
When rapid shut-off is activated, the
status indicator (20) flashes red.
and then press it again.
For better control and precise position-
ing, the power tool starts at a low speed
and then increases to the set speed.
Adapted Speed Control is started up
automatically when the power tool is
switched on.
The integrated vibration damping function re-
duces the generated vibration.
Do not continue to use the power tool if the damping
element is damaged.
Remove the battery from the power tool before carry-
ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
To ensure safe and efficient operation, always keep
the power tool and the ventilation slots clean.
Replace a damaged dust protection cap immediately.
It is recommended that you have use an after-sales
service for this.
Bosch Power Tools