Ferm 8104 Ferm
ROTARY HAMMER DRILL
The numbers in the following text correspond with the pictures at page 2 - 3.
Read this manual carefully, before using the machine. Ensure that you know how
the machine works, and how it should be operated. Maintain the machine in
accordance with the instructions, and make certain that the machine functions
correctly. Store this manual and other enclosed documentation with the machine.
Intended use
The rotary hammer drill is intended for drilling holes in masonry such as brick, concrete and
similar materials. Furthermore, the machine can be used as a demolition hammer in
combination with the SDS cold chisels provided. The machine is on no account intended for
other purposes.
Please inspect the machine and accessories for transit damage.
Contents
1. Machine information
2. Safety instructions
3. Operating
4. Maintenance
1. MACHINE INFORMATION
Technical specifications
Product information
Fig. A + D
1. Rotary stop selection lever
2. On-off Switch
3. Main handle
Voltage 230 V
Frequency 50 Hz
Power rating 850 W
Rotational speed, not loaded 750/min
Impact rate 2920/min
Max. bit diameter
Concrete Ø 28 mm
Steel Ø 13 mm
Wood Ø 40 mm
Weight 5.85 kg
Lpa (sound pressure level) 97.0 dB(A)
Lwa (sound power level) 110.0 dB(A)
Vibration value 7.82 m/s2
GB
