Bosch GBH 3-28 E Manual De Instrucciones página 10

EURO • Printed in Germany • BA 1 619 929 474 • GBH 3-28 E • GB • OSW 02/01
GBH 3-28 (474) - Buch Seite 1 Donnerstag, 8. Februar 2001 8:35 08
Tool Specifications
Rotary Hammer
Part number
Rated power
Output power
Rated speed
Impact rate
Impact energy per stroke
Tool holder
Spindle neck diameter
Drilling output:
- Concrete (Twist drill bit)
- Masonry (Core bit)
- Wood
- Steel
Weight (without
optional extras) approx.
Safety class
Noise/Vibration Information
Measured values determined according to
EN 50 144.
Typically the A-weighted noise levels of the prod-
uct are: sound pressure level: 87 dB (A); sound
power level: 100 dB (A).
Wear ear protection!
The typical weighted acceleration is 13 m/s
Machine Elements
1 Dust protection cap
2 Locking sleeve
3 Mode selector switch
4 On/Off switch
5 Auxiliary handle
6 Depth stop
Not all of the accessories illustrated or described are
included as standard delivery.
1 619 929 474 • TMS • 05.02.01
GBH 3-28 E
0 611 239 7..
720 W
400 W
0 – 800 rpm
0 – 4000 bpm
3.3 J
SDS-plus
Ø 56 mm
max. 28 mm
max. 80 mm
max. 30 mm
max. 13 mm
3.3 kg
/ II
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
2
.
the machine.
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 5.
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.
English - 1
For Your Safety
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. In addition, the
general safety instructions in the
enclosed booklet must be fol-
lowed. Before using for the first
time, ask for a practical demon-
stration.
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 and sturdy
shoes.