Starting Operation - Bosch GBH 4-32 DFR Professional Notice Originale

22 | English
Press the button for depth stop adjustment 9
and remove the depth stop 11. Press button 9
again and insert the dust extraction attachment
into the auxiliary handle 10 from the front.
Connect an extraction hose (diameter 19 mm,
accessory) to the extraction sleeve 15 of the
dust extraction attachment.
The vacuum cleaner must be suitable for the ma-
terial being worked.
When vacuuming dry dust that is especially det-
rimental to health or carcinogenic, use a special
vacuum cleaner.
Adjusting the Drilling Depth on the Dust Ex-
traction Attachment (see figure G)
The required drilling depth X can also be adjust-
ed when the dust extraction attachment is
mounted.
Insert the SDS-plus drilling tool to the stop into
the SDS-plus tool holder 1. Otherwise, the mov-
ability of the SDS-plus drilling tool can lead to
incorrect adjustment of the drilling depth.
Loosen the wing bolt 19 on the dust extraction
attachment.
Without switching the power tool on, apply it
firmly to the drilling location. The SDS-plus drill-
ing tool must face against the surface.
Position the the guide pipe 20 of the dust ex-
traction attachment in its holding fixture in such
a manner that the head of the dust extraction at-
tachment faces against the surface to be drilled.
Do not slide the guide pipe 20 further over the
telescopic pipe 18 of the dust extraction attach-
ment than required, so that as much as possible
of the scale 18 on the telescopic pipe remains
visible.
Retighten the wing bolt 19 again. Loosen the
clamping screw 16 on the depth stop of the dust
extraction attachment.
Move the depth stop 17 on the telescopic pipe
18 in such a manner that the clearance X shown
in the figure corresponds with the required drill-
ing depth.
Tighten the clamping screw 16 in this position.
1 619 929 774 | (2.3.09)
Operation

Starting Operation

Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the nameplate of the
machine. Power tools marked with 230 V
can also be operated with 220 V.
Setting the Operating Mode
The operating mode of the power tool is select-
ed with the mode selector switch 5.
Note: Change the operating mode only when the
machine is switched off! Otherwise, the ma-
chine can be damaged.
Turn the mode selector switch 5 to the request-
ed position.
Position for drilling with-
out impact in wood, met-
al, ceramic and plastic as
well as for screwdriving
Position for hammer
drilling in concrete or
stone
When the drilling tool
does not immediately ro-
tate upon switching on,
allow the machine to run
slowly until the drilling
tool rotates.
Vario-Lock position for
adjustment of the chisel-
ling position
Position for chiselling
Bosch Power Tools