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OBJ_BUCH-1232-004.book Page 11 Wednesday, April 20, 2011 1:00 PM
Noise/Vibration Information
The measured values of the machine are listed in the table on
page 133.
Noise and vibrational values (vector sum of three directions)
determined according to EN 60745.
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 expo-
sure.
The declared vibration emission level represents the main ap-
plications of the tool. However if the tool is used for different
applications, with different accessories or poorly maintained,
the vibration emission may differ. This may significantly in-
crease 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 sig-
nificantly reduce the exposure level over the total working pe-
riod.
Identify additional safety measures to protect the operator
from the effects of vibration such as: maintain the tool and the
accessories, keep the hands warm, organisation of work pat-
terns.
Mounting and Operation
Action
Selecting a drill chuck
(GBH 2-28 DFV)
Removing the Quick Change Chuck
(GBH 2-28 DFV)
Inserting the Quick Change Chuck
(GBH 2-28 DFV)
Inserting SDS-plus Drilling Tools
Removing SDS-plus Drilling Tools
Inserting round shank applications
tools (GBH 2-28 DFV)
Selecting the operating mode and
rotation direction
Changing the chisel position
(Vario-Lock)
Changing the position of the
auxiliary handle
Adjusting the drilling depth X
Mounting the extraction system
(Saugfix)
Switching on and off and setting the
speed
Locking-on the On/Off switch
Releasing the On/Off switch
Selecting accessories
Bosch Power Tools
Maintenance and Cleaning
For safe and proper working, always keep the machine
and ventilation slots clean.
After-sales Service and Customer
Assistance
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. Exploded views and information on spare parts can al-
so be found under:
www.bosch-pt.com
Our customer service representatives can answer your ques-
tions concerning possible applications and adjustment of
products and accessories.
In all correspondence and spare parts order, please always in-
clude the 10-digit article number given on the type plate of
the machine.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
Tel. Service: +44 (0844) 736 0109
Figure
Page
Fax: +44 (0844) 736 0146
E-Mail: boschservicecentre@bosch.com
1
134
Ireland
Origo Ltd.
2
135
Unit 23 Magna Drive
Magna Business Park
3
135
City West
4
136
Dublin 24
5
136
Tel. Service: +353 (01) 4 66 67 00
Fax: +353 (01) 4 66 68 88
6
137
Australia, New Zealand and Pacific Islands
Robert Bosch Australia Pty. Ltd.
7
137–138
Power Tools
Locked Bag 66
Clayton South VIC 3169
8
138
Customer Contact Center
Inside Australia:
9
139
Phone: +61 (01300) 307 044
10
139
Fax: +61 (01300) 307 045
Inside New Zealand:
11
140
Phone: +64 (0800) 543 353
Fax: +64 (0800) 428 570
Outside AU and NZ:
12
140
Phone: +61 (03) 9541 5555
13
141
www.bosch.com.au
14
141
Republic of South Africa
–
142
Customer service
Hotline: +27 (011) 6 51 96 00
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