Functional Description; Intended Use; Product Features; Declaration Of Conformity - Bosch GSB 20-2 Professional Manual Original

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Never use the machine with a damaged ca-
ble. Do not touch the damaged cable and
pull the mains plug when the cable is dam-
aged while working. Damaged cables in-
crease the risk of an electric shock.
Products sold in GB only: Your product is fitted
with an BS 1363/A approved electric plug with
internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets,
it should be cut off and an appropriate plug fit-
ted in its place by an authorised customer serv-
ice agent. The replacement plug should have the
same fuse rating as the original plug.
The severed plug must be disposed of to avoid a
possible shock hazard and should never be in-
serted into a mains socket elsewhere.
Products sold in AUS and NZ only: Use a resid-
ual current device (RCD) with a rated residual
current of 30 mA or less.

Functional Description

Read all safety warnings and all in-
structions. Failure to follow the
warnings and instructions may re-
sult in electric shock, fire and/or se-
rious injury.
While reading the operating instructions, unfold
the graphics page for the machine and leave it
open.

Intended Use

The machine is intended for impact drilling in
brick, concrete and stone as well as for drilling
in wood, metal and plastic. Machines with elec-
tronic control and right/left rotation are also
suitable for screwdriving and thread-cutting.

Product Features

The numbering of the product features refers to
the illustration of the machine on the graphics
page.
1 Keyless chuck
2 "Drilling/Impact Drilling" selector switch
3 Thumbwheel for electronic speed preselec-
tion
Bosch Power Tools
All manuals and user guides at all-guides.com
4 "Drilling/screwdriving" selector switch
5 Rotational direction switch(GSB 20-2 RE/
6 On/Off switch
7 Thumbwheel for speed preselection
8 Lock-on button for On/Off switch
9 Gear selector
10 Button for depth stop adjustment
11 Auxiliary handle (insulated gripping surface)*
12 Depth stop*
13 Handle (insulated gripping surface)
14 Chuck key
15 Key type drill chuck
16 Screwdriver bit*
17 Universal bit holder*
18 Allen Key**
*Accessories shown or described are not part of the
standard delivery scope of the product. A complete
overview of accessories can be found in our acces-
sories program.
**Commercially available (not included in the deliv-
ery scope)

Declaration of Conformity

We declare under our sole responsibility that
the product described under "Technical Data" is
in conformity with the following standards or
standardization documents: EN 60745 accord-
ing to the provisions of the directives
2004/108/EC, 98/37/EC (until 28 Dec 2009),
2006/42/EC (from 29 Dec 2009).
Technical file at:
Robert Bosch GmbH, PT/ESC,
D-70745 Leinfelden-Echterdingen
Dr. Egbert Schneider
Senior Vice President
Engineering
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
23.09.2009
(GSB 20-2 RET)
GSB 20-2 RCE/GSB 20-2 RET)
(GSB 20-2 RE)
Dr. Eckerhard Strötgen
Head of Product
Certification
1 609 929 T17 | (20.10.09)
English | 19