Maintenance And Service - Bosch GDB 180 WE Professional Notice Originale

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To lock the on/off switch down, press the lock-on button (2)
as well.
Switching off
Release the on/off switch (1). If the on/off switch is locked,
press the switch first and then release it.
Wet drilling: Close the water cutoff valve (12). Once work is
complete, disconnect the valve adapter (13) from the water
supply line. Open the water cutoff valve (12) and drain off
the residual water.
Starting current limitation
The electronics of the power tool make the motor start
softly, therefore preventing the starting current from being
too high.
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, press the RESET button on the portable
residual current device (PRCD) (18). Set the on/off
switch (1) to the off position and then switch the power tool
on again.
Preselecting the speed
Two speeds can be preselected using the gear selector
switch (11).
The gears are recommended for the following drilling dia-
meters:
– First gear: 80–180 mm
– Second gear: 25–60 mm
Working advice
Pull the plug out of the socket before carrying out any
u
work on the power tool.
Always use a centering cross (accessory) when drilling.
Start drilling in first gear at a low speed until the core bit ro-
tates in the material without vibrating. Then switch to
second gear if necessary.
You should always adjust the contact pressure to the mater-
ial you are drilling. Drill applying uniform pressure. If neces-
sary, pull the core bit gently out of the drill hole to remove
the wet/dry drilling debris from the diamond segments.
Overload clutch
If the application tool jams or snags, the power trans-
u
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.
Overload protection
If the overload threshold is exceeded, the power tool will
start noticeably pulsating. Reduce the contact pressure until
the power tool starts working normally again.
If the contact pressure is not reduced, the power tool will
switch off. You will be able to switch the power tool on again
1 609 92A 4SW | (24.03.2021)
straight away, but you should now continue working with a
lower contact pressure.
Removing the drill core
Wet drilling: Once drilling is complete, allow the water to
keep flowing for a short while to rinse out the debris
between the core bit and the drill core itself.
If the drill core is tightly seated in the core bit, hit the core bit
with a piece of soft wood or plastic to loosen the drill core. If
necessary, push the drill core out through the shank of the
core bit using a rod.
Note: Do not hit the core bit with hard objects, as this may
damage or deform it.

Maintenance and Service

Maintenance and Cleaning
Pull the plug out of the socket before carrying out any
u
work on the power tool.
To ensure safe and efficient operation, always keep
u
the power tool and the ventilation slots clean.
Clean the drill spindle (6) once the work is complete. Regu-
larly spray the drill spindle and the core bit (7) with corro-
sion inhibitor.
In order to avoid safety hazards, if the power supply cord
needs to be replaced, this must be done by Bosch or by an
after-sales service centre that is authorised to repair Bosch
power tools.
Accessories/replacement parts
Pressurised water tank
G 1/2" adapter
Wet/dry extractor GAS 35 M AFC
Wet/dry extractor GAS 55 M AFC
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
with any questions about our products and their accessor-
ies.
2 609 390 308
2 608 598 043
Bosch Power Tools

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