Noise/Vibration Information; Declaration Of Conformity - Bosch GBH 3-28 DRE Professional Manual Original

OBJ_BUCH-770-005.book Page 16 Wednesday, March 23, 2011 2:38 PM
16 | English
Rotary Hammer
Permissible drilling diameter, max.:
(also see page 17)
– Concrete*
– Brickwork (with core bit)
– Steel
– Wood
Weight according to EPTA-Procedure 01/2003
Protection class
* not suitable with core bit
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 machines may vary.

Noise/Vibration Information

Measured sound values determined according to EN 60745.
Typically the A-weighted noise levels of the product are
Sound pressure level
Sound power level
Uncertainty K=
Wear hearing protection!
Vibration total values (triax vector sum) determined according to
EN 60745:
Hammer drilling into concrete:
Vibrational emission value a
h
Uncertainty K
Chiselling:
Vibrational emission value a
h
Uncertainty K
Drilling in metal:
Vibrational emission value a
h
Uncertainty K
Screwdriving without impact:
Vibrational emission value a
h
Uncertainty K
The vibration emission level given in this information sheet has been measured in accordance with a standardised test given in
EN 60745 and may be used to compare one tool with another. It may be used for a preliminary assessment of exposure.
The declared vibration emission level represents the main applications of the tool. However if the tool is used for different ap-
plications, with different accessories or poorly maintained, the vibration emission may differ. This may significantly increase
the exposure level over the total working period.
An estimation of the level of exposure to vibration should also take into account the times when the tool is switched off or when
it is running but not actually doing the job. This may significantly reduce the exposure level over the total working period.
Identify additional safety measures to protect the operator from the effects of vibration such as: maintain the tool and the ac-
cessories, keep the hands warm, organisation of work patterns.

Declaration of Conformity

We declare under our sole responsibility that the product de-
scribed under "Technical Data" is in conformity with the fol-
lowing standards or standardization documents: EN 60745
according to the provisions of the directives 2004/108/EC,
2006/42/EC.
Technical file at:
Robert Bosch GmbH, PT/ESC,
D-70745 Leinfelden-Echterdingen
1 609 929 Y58 | (23.3.11)
GBH 3-28 DRE
Professional
mm 28
mm 82
mm 13
mm 30
kg 3.5
/II
GBH 3-28 DRE
Professional
dB(A) 91
dB(A) 102
dB
2
m/s 13
2
m/s 1.5
2
m/s 11
2
m/s 1.5
2
m/s <2.5
2
m/s 1.5
2
m/s <2.5
2
m/s 1.5
Dr. Egbert Schneider Dr. Eckerhard Strötgen
Senior Vice President Head of Product
Engineering Certification
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
Leinfelden, 22.07.2010
GBH 3-28 DFR
Professional
28
82
13
30
3.6
/II
GBH 3-28 DFR
Professional
91
102
3 3
12
1.5
11
1.5
<2.5
1.5
<2.5
1.5
Bosch Power Tools