7
GB
1. Layout (Fig. 1)
1 Dust guard
2 Locking sleeve
3 On/Off switch
4 Additional handle
5 Drilling depth stop
6 Hammer stop
7 Rotation stop
2. Technical data
Mains voltage:
230 V ~ 50 Hz
Power: 858
Watt
Idle speed:
750 min
-1
Hammer rate:
3150 min
-1
Drilling capacity (max.):
Concrete/Stone 26 mm
Weight: 4,8
kg
Vibration: 6,8
m/s
2
Sound pressure level:
92.7 dB(A)
Sound power level:
105.7 dB(A)
Protection class:
/ II
The noise and vibrations from this tool were measu-
red in accordance with EN 50144-2-6. This hammer
drill is not intended for use outdoors as defined in
Article 3 of the Directive 2000/14/EC.
3. Safety rules
The corresponding safety information can be
found in the enclosed booklet.
4. Preparations
Use a detector to localize pipes and/or cables in
walls with concealed electric, water or gas lines.
Before you plug in the machine, check that your
mains voltage is the same as that marked on the
rating plate.
4.1 Proper use
The tool is designed for drilling with hammer action in
concrete, rock and brick, as well as for chiseling
work, always using the correct drill or chisel bit.
4.2 Fitting and changing a bit (Fig. 2)
Clean the bit and coat it with a little machine
grease before you insert it.
Pull back the locking sleeve (A) and hold in this
position.
Insert the dust-free bit with a twist as far as it
goes into the chuck. The bit will automatically be l
ocked in place.
Pull on the bit to check that it is secure.
4.3 Removing a bit (Fig. 3)
Pull back the locking sleeve (A), hold and pull out the
bit.
5. Starting up (Fig. 1 - Pos. 3)
5.1 Switching on/off
Switching on: Press On/Off switch (3).
Switching off: Release On/Off switch (3).
5.2 Additional handle (Fig. 1 - Pos. 4)
For safety reasons you should always use the
hammer drill with the additional handle.
For a secure posture during work you should turn the
additional handle. Twist the additional handle
anticlockwise and turn.
Then fix the additional handle by twisting again.
5.3 Drilling depth stop (Fig. 1 - Pos. 5)
Slacken the additional handle by turning and insert
the straight part of the depth stop into the hole in the
additional handle. Set the depth stop and retighten
the additional handle.
5.4 Dust collector (Fig. 4)
Before you start any hammer drilling work directly
over your head, slide the dust collector on the bit.
5.5 Hammer stop (Fig. 5)
The hammer drill comes with a hammer stop for
smooth pre-drilling.
Turn the lever switch (6) to the right to position
(b) to switch off the hammer mechanism.
To turn the hammer mechanism back on you
have to turn the lever switch (6) back to position
(a).
5.6 Rotation stop (Fig. 6)
For chiseling, the rotary function of the hammer drill
can be switched off.
To do this, turn the lever selector (7) with the
arrow (a) to position (c) on the machine
housing.
To turn the rotary function back on you have to
turn the lever selector (7) with the arrow (a) to
position (b).
Anleitung BBH 850-1 SPK 1 02.12.2003 6:56 Uhr Seite 7
