Bosch GBH 2-23 REA Professional Original Instructions Manual page 25

OBJ_BUCH-351-002.book Page 25 Thursday, March 12, 2009 10:41 AM
Adapting the Dust Extraction to the
Tool Length (see figure J)
For more convenient working with short drilling
tools, the length of the dust extraction 14 can be
adapted.
Push and hold button 13 and slide the telescop-
ic guide 15 into the dust extraction 14 until the
dust collector is close to the tip of the drilling
tool.
To draw out the telescopic guide, push button
13 again.
Dust Collector for Drill Bits (see figure K)
To change the dust collector 17, push the re-
lease button 28 and pull the dust collector out
of the dust extraction.
To insert the dust collector 17, push it from
above into the dust extraction 14 until it can be
heard to engage.
Dust Collector for Core Bits (Accessory)
(see figure L)
For drilling with core bits, the dust collector for
drill bits 17 must be replaced against a special
dust collector for core bits 29 (accessory).
When using the dust collector for core bits, the
adapter box 24 (accessory) must be used for
dust extraction, not the dust box 9.
If required, remove the dust collector for drill
bits 17.
To insert the dust collector for core bits 29,
push it from above into the dust extraction until
it can be heard to engage.
For removal of the dust collector for core bits
29, push the latching projection 30 outward and
pull off the dust collector upward.
Bosch Power Tools
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
With the selector switch for drilling/hammer
drilling 4, the operating mode of the machine is
selected.
Note: Change the operating mode only when
the machine is switched off! Otherwise, the
machine can be damaged.
To change the operating mode, press the re-
lease button 5 and turn the drilling/hammer
drilling selector switch 4 to the desired position
until it can be heard to latch.
Position for hammer drilling in
concrete or stone as well as for
chiselling (chiselling only with the
MV 200 accessory)
Position for drilling without impact
in wood, metal, ceramic and plastic
as well as for screwdriving
Reversing the Rotational Direction
The rotational direction switch 6 is used to re-
verse the rotational direction of the machine.
Actuate the rotational direction switch 6
only when the machine is at a standstill.
Right rotation: Turn the selector switch for
drilling/hammer drilling 6 on both sides to
the stop in the position
Left rotation: Turn the selector switch for
drilling/hammer drilling 6 on both sides to
the stop in the position
Set the direction of rotation for hammer drilling,
drilling and chiselling always to right rotation.
1 619 P07 078 | (12.3.09)
English | 25
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