Working Advice; Maintenance And Service; Maintenance And Cleaning; After-Sales Service And Customer Assistance - Bosch Professional GBH 11 DE Manual Original

OBJ_BUCH-58-004.book Page 14 Tuesday, August 2, 2011 3:28 PM
14 | English
Operating Hammer Drilling
Mode
Thumbwheel 7 Rated Speed
-1
(min )
1 135
2 157
3 184
4 204
5 228
6 252
Safety Clutch
If the tool insert becomes caught or jammed, the drive
to the drill spindle is interrupted. Because of the forces
that occur, always hold the power tool firmly with both
hands and provide for a secure stance.
If the power tool jams, switch the machine off and loos-
en the tool insert. When switching the machine on with
the drilling tool jammed, high reaction torques can oc-
cur.

Working Advice

Before any work on the machine itself, pull the mains
plug.
Changing the Chiselling Position (Vario-Lock)
The chisel can be locked in 12 positions. In this manner, the
optimum working position can be set for each application.
– Insert the chisel into the tool holder.
– Press and hold the unlocking button 3 and turn the mode
selector switch 4 to "Changing the chiselling position
(Vario-lock)".
– Turn the tool holder to the desired chiselling position.
– Press and hold the unlocking button 3 and turn the mode
selector switch 4 to the "Chiselling" position. The tool
holder is locked in this position.
The mode selector switch 4 must always be locked in
the "Chiselling" position when chiselling.

Maintenance and Service

Maintenance and Cleaning

Before any work on the machine itself, pull the mains
plug.
For safe and proper working, always keep the machine
and ventilation slots clean.
A damaged dust protection cap should be changed im-
mediately. We recommend having this carried out by
an after-sales service.
Service Indicator 8
When the carbon brushes are worn out, the machine switches
itself off. This is indicated approx. 8 hours beforehand by the
lighting or blinking of the service indicator 8. The machine
must then be sent to an after-sales service agent. Addresses
are listed in the Section "After-sales Service and Customer
Assistance".
1 609 929 V44 | (2.8.11)
If the machine should fail despite the care taken in manufac-
Chiselling
turing and testing procedures, repair should be carried out by
an after-sales service centre for Bosch power tools.
Impact Rate Impact Rate
In all correspondence and spare parts order, please always in-
-1 -1
(min ) (min )
clude the 10-digit article number given on the type plate of
1240 1240
the machine.
1440 1440

After-sales Service and Customer Assistance

1680 1680
Our after-sales service responds to your questions concern-
1880 1880
ing maintenance and repair of your product as well as spare
2080 2080
parts. Exploded views and information on spare parts can al-
2300 2300
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.
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
Fax: +44 (0844) 736 0146
E-Mail: boschservicecentre@bosch.com
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: +353 (01) 4 66 67 00
Fax: +353 (01) 4 66 68 88
Australia, New Zealand and Pacific Islands
Robert Bosch Australia Pty. Ltd.
Power Tools
Locked Bag 66
Clayton South VIC 3169
Customer Contact Center
Inside Australia:
Phone: +61 (01300) 307 044
Fax: +61 (01300) 307 045
Inside New Zealand:
Phone: +64 (0800) 543 353
Fax: +64 (0800) 428 570
Outside AU and NZ:
Phone: +61 (03) 9541 5555
www.bosch.com.au
Republic of South Africa
Customer service
Hotline: +27 (011) 6 51 96 00
Bosch Power Tools