EURO • Printed in Germany • BA 1 619 929 461 • GBH 4-top • GB • OSW 11/00
English - 1
1 619 929 461 • TMS • 30.10.00
The machine is intended for hammer drilling in
concrete, brick and stone as well as for light chis-
elling work. It is also suitable for drilling without
impact in wood, metal, ceramic and plastic.
1 Dust protection cap
2 Locking sleeve
3 On/Off switch
4 Mode selector switch
5 Release button
6 Auxiliary handle
7 Depth stop
8 Quick clamping drill chuck*
* Optional extra
* Not all of the accessories illustrated or described are
included as standard delivery.
Working safely with this ma-
chine is possible only when the
operating and safety information
are read completely and the in-
structions contained therein are
strictly followed. Before using
for the first time, ask for a practi-
cal demonstration.
If the mains cable is damaged or
cut through while working, do not
touch the cable but immediately
pull the mains plug. Never use the
machine with a damaged cable.
Wear ear protection.
Wear safety glasses, protective
gloves and sturdy shoes.
■ For long hair, wear hair protection. Work only
with closely fitting clothes.
■ During pauses in the work, when not in use or
during work on the machine itself (e. g. chang-
ing the working tools, repairs, cleaning, adjust-
ment), pull the mains plug.
■ Always direct the cable to the rear away from
the machine.
■ Do not carry or hang up the machine by the ca-
ble.
■ Insert the mains plug only when the machine is
switched off.
■ Always switch off the machine and allow to
come to a stop before placing it down.
■ Use the machine only with the auxiliary han-
dle 6.
■ When working with the machine, always hold it
firmly with both hands and provide for a secure
stance.
■ Connect machines that are used in the open
via a residual current device (RCD) with an ac-
tuating current of 30 mA maximum. Use only
extension cables that are approved for outdoor
use.
■ Never allow children to use the machine.
■ Bosch is only able to ensure perfect function-
ing of the machine if the original accessories
intended for it are used.
■ In addition, the general safety notes in the
safety notes section must be observed.
Tool Specifications
Rotary Hammer GBH 4 - top
Part number 0 611 243 7..
Rated power 750 W
Output power 440 W
Rated speed 0–650 RPM
Impact rate 0–3900/min
Impact energy per stroke 3.5 J
Chisel positions 36
Chiselling performance in
concrete of medium hardness
18 kg/h
Tool holder SDS-top
Spindle neck diameter Ø 51 mm
Drilling output:
- Concrete (Twist drill bit) max. 30 mm
- Masonry (core bit) max. 80 mm
- Wood max. 30 mm
- Steel max. 13 mm
Weight (without optional extras)
approx.
4.1 kg
Safety class / II
Intended Use
Machine Elements
For Your Safety
1 619 929 461 - D.book Seite 1 Mittwoch, 8. November 2000 3:18 15
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