EN
Fig.4
•
Press the trigger switch (2) to start the
machine.
•
Release the trigger switch to stop the
machine.
Changing the carbon brush
Take care that the machine is not
connected to the mains whenever
maintenance work is taking place.
•
Remove the cover of the carbon brush with
help of a crosshead screwdriver
•
Remove the next cover with help of a flat
screwdriver
•
Remove the carbon brush and replace it by a
new one (on both sides)
5. Maintenance
Take care that the machine is not connected
to power whenever maintenance work on
the mechanical parts is taking place.
Machines are designed to function problem-free
for a long period with a minimum of maintenance.
Through regular cleaning and correct treatment,
you help assure a long working life for your
machine.
Defects
The machine should be regularly inspected for
the following possible defects, and repaired if
necessary.
•
Damage to power cord
•
Broken on/off trigger assembly.
•
Short circuiting.
•
Damaged moving parts.
Trouble shooting
1. When switched on, the motor does not
turn.
•
Failure in power supply.
•
Check the power supply.
•
Poor contact in the on/off trigger.
•
Repair or replace the trigger assembly.
•
Mains voltage too low.
•
Extension lead too long, or too light.
•
Damaged motor.
•
Have your machine repaired by an expert.
•
Carbon brushes worn.
•
Replace the carbon brushes.
6
2. Motor generates excessive noise, and
runs too slowly or not at all.
•
Motor is overloaded due to excessive
pressure or drilling depth.
•
Reduce the pressure or drilling depth,
reduce power.
•
Damaged motor.
•
Have your machine repaired by an expert.
•
Supply voltage too low.
•
Adjust the supply voltage.
•
Carbon brushes worn.
•
Replace the carbon brushes
3. Overheating in the transmission case.
•
Overloading of machine, or blunt drill bit
•
Reduce the loading, or hone the drill bit.
•
Reduced voltage.
•
Adjust the supply voltage.
4. Heavy sparking from the motor.
•
Inspect the carbon brushes for wear.
Cleaning
Clean the machine casings regularly with a soft
cloth, preferably after each use. Make sure that
the ventilation openings are free of dust and
dirt. Remove very persistent dirt using a soft
cloth moistened with soapsuds. Do not use any
solvents such as gasoline, alcohol, ammonia,
etc. Chemicals such as these will damage the
synthetic components.
Faults
Should a fault occur, e.g. after wear of a part,
please contact the service address on the
warranty card.
In the back of this manual you find an exploded
view showing the parts that can be ordered.
Environment
To prevent damage during transport, the
appliance is delivered in a solid packaging which
consists largely of reusable material. Therefore
please make use of options for recycling the
packaging.
Faulty and/or discarded electrical or
electronic apparatus have to be
collected at the appropriate recycling
locations.
Warranty
For the conditions of warranty, please refer to the
Ferm