English | 9
Bosch Power Tools 1 619 929 755 | (13.7.07)
Technical Data
Assembly
f Before any work on the power tool itself,
pull the mains plug.
Auxiliary Handle
f Operate your power tool only with the auxil-
iary handle 10.
The auxiliary handle 10 can be set to any position
for a secure and low-fatigue working posture.
Turn the bottom part of the auxiliary handle 10 in
counterclockwise direction and swivel the auxil-
iary handle 10 to the desired position. Then re-
tighten the bottom part of the auxiliary handle 10
by turning in clockwise direction.
Adjusting the Drilling Depth (see figure A)
The required drilling depth X can be set with the
depth stop 11.
Press the button for the depth stop adjustment 9
and insert the depth stop into the auxiliary han-
dle 10.
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 in-
correct adjustment of the drilling depth.
Pull out the depth stop until the distance be-
tween the tip of the drill bit and the tip of the
depth stop correspond with the desired drilling
depth X.
The knurled surface of the depth stop 11 must
face downward.
Selecting the Tool Holder
For hammer drilling, SDS-plus drilling tools that
can be inserted into the SDS-plus tool holder 1
are required.
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 ham-
mer drilling or chiseling! Tools without SDS-plus
and their drill chucks are damaged by hammer
drilling or chiseling.
The SDS-plus tool holder 1 can easily be exchanged
against the quick change keyless chuck 12.
Changing the Tool Holder
Dismounting the SDS-plus Tool Holder or the
Keyless Replacement Chuck (see figure B)
Pull the lock ring of the tool holder 4 firmly in the
direction of the arrow, hold it in this position and
pull off the tool holder 1 or the keyless replace-
ment chuck 12 toward the front.
Rotary Hammer GBH 4-32 DFR
Professional
Article number
3 611 C32 0..
3 611 C32 1..
Rated power input
W 900
Rated speed
rpm 0–760
Impact rate
bpm 0–3600
Impact energy per
stroke
J5.0
Chisel positions
12
Tool holder
SDS-plus
Lubrication
Central
permanent
lubrication
Max. drilling dia.
– Concrete (with twist
drill)
– Brickwork (with core
bit)
– Steel
– Wood
mm
mm
mm
mm
32
90
13
32
Weight according to EP-
TA-Procedure 01/2003
kg 4.7
Protection class
/II
The values given are valid for nominal voltages [U] of
230/240 V. For lower voltages and models for specific
countries, these values can vary.
Please observe the article number on the type plate of
your power tool. The trade names of individual tools
may vary.
OBJ_BUCH-411-001.book Page 9 Friday, July 13, 2007 8:09 AM
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