Ferm DHM-1800, User Manual

Page: 4 / 48

Ferm 4
GB
DEMOLITION HAMMER
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 demolition hammer is intended for
demolishing concrete, chiseling off concrete,
grooving and bar cutting.
Application examples: installation of piping
and wiring, sanitary facility installation,
machinery installation, water supply and
drainage work, interior jobs, harbor facilities and
other civil engineering works.
Contents
1. Machine information
2. Safety instructions
3. Assembly
4. Operation
5. Maintenance
1. MACHINE INFORMATION
Technical specifications
Voltage 230 V
Frequency 50 Hz
Power rating 1800 W
Impact rate 1400/min
Weight 15.9 kg
Oil type Multigrade oil
SAE 15W40
Lpa (sound pressure level) 85 dB(A)
Lwa (sound power level) 105 dB(A)
Outdoor noise level 105 dB (A)
Vibration main handle 14.499 m/s
2
K=1.5 m/s
2
Vibration auxiliary handle 15.289 m/s
2
K=1.5 m/s
2
Product information
Fig. 1
1. Switch lock
2. Trigger switch
3. Main handle
4. Cover carbon brush
5. Auxiliary handle
6. Tool holder
7. Chisel
8. Oil gauge
2. SAFETY INSTRUCTIONS
In this operator’s guide the following symbols
are used:
Read instructions carefully
In accordance with essential
applicable safety standards of
European directives
Denotes risk of personal injury, loss of
life or damage to the tool in case of
non-observance of the instructions in
this manual.
Indicates electrical shock hazard.
Immediately unplug the plug from the
mains electricity in the case that the
cord gets damaged and during
maintenance
Wear ear and eye protection
Faulty and/or discarded electrical or
electronic apparatus have to be
collected at the appropriate recycling
locations.
Special safety instructions
• Wear a hard safety helmet, safety glasses
and/or face shield. It is also highly
recommended that you wear a dust mask,
ear protectors and thickly padded gloves.
• Be sure the bit is secured in place before
operation.
HDM1018 Ma # 0809-03.1 FC.indd 4 9/3/08 11:08:24 AM