Ferm 7704 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 Ferm FBH-800K is intended for drilling holes in masonry such as brick, concrete and
similar materials. By attaching the auxiliary drill chuck provided (10, Fig. A), the machine can
also be used to drill holes in wood or metal. 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
1. Function selection switch
2. On/off trigger
Voltage 230 V
Frequency 50 Hz
Power rating 800 W
Rotational speed, not loaded 0 - 900/min
Impact rate 3150/min
Max. bit diameter
Concrete Ø 26 mm
Steel Ø 13 mm
Wood Ø 30 mm
Weight 3.2 kg
Lpa (sound pressure level) 91.6 dB(A)
Lwa (sound power level) 102.6 dB(A)
Vibration value 6.7 m/s2
GB
