Bosch GBH 4-32 DFR Professional Original Instructions Manual page 9

OBJ_BUCH-411-006.book Page 9 Monday, October 4, 2010 10:22 AM
Technical Data
Rotary Hammer
Article number
Rated power input
Rated speed min
Impact rate min
Impact energy per
stroke
Chisel positions
Tool holder
Lubrication
Max. drilling dia.
– Concrete
(with twist drill) mm
– Brickwork
(with core bit) mm
– Steel mm
– Wood mm
Weight according to
EPTA-Procedure
01/2003
Protection class
The values given are valid for a nominal voltage [U] of
230 V. For different voltages and models for specific
countries, these values can vary.
Please observe the article number on the type plate of
your machine. The trade names of the individual ma-
chines may vary.
Assembly
Before any work on the machine itself, pull
the mains plug.
Auxiliary Handle
Operate your machine only with the auxilia-
ry handle 10.
The auxiliary handle 10 can be set to any posi-
tion for a secure and low-fatigue working pos-
ture.
Bosch Power Tools
– Turn the bottom part of the auxiliary handle
GBH 4-32 DFR
Professional
3 611 C32 0..
3 611 C32 1..
Adjusting the Drilling Depth (see figure A)
W 900
The required drilling depth X can be set with the
-1
0–760
depth stop 11.
-1
0–3600
– Press the button for the depth stop adjust-
J 5.0
– Insert the SDS-plus drilling tool to the stop
12
SDS-plus
Central perma-
nent lubrication
– Pull out the depth stop until the distance be-
32
90
13
32
Selecting the Tool Holder
For hammer drilling, SDS-plus drilling tools that
kg 4.7 can be inserted into the SDS-plus tool holder 1
are required.
/II
For drilling without impact in wood, metal, ce-
ramic and plastic as well as for screwdriving and
tapping, use non-SDS-plus drilling tools (e. g.,
drill bits with cylindrical shank). A keyless drill
chuck is required for such drilling tools.
Note: Do not use tools without SDS-plus for
hammer drilling or chiselling! Tools without
SDS-plus and their drill chucks are damaged by
hammer drilling or chiselling.
The SDS-plus tool holder 1 can easily be ex-
changed against the quick change keyless chuck
13.
10 in counterclockwise direction and swivel
the auxiliary handle 10 to the desired posi-
tion. Then retighten the bottom part of the
auxiliary handle 10 by turning in clockwise di-
rection.
ment 9 and insert the depth stop into the
auxiliary handle 10.
into the SDS-plus tool holder 1. Otherwise,
the movability of the SDS-plus drilling tool
can lead to incorrect adjustment of the drill-
ing depth.
tween the tip of the drill bit and the tip of the
depth stop correspond with the desired drill-
ing depth X.
The knurled surface of the depth stop 11
must face downward.
1 609 929 V36 | (4.10.10)
English | 9