Stihl FCB-KM Instruction Manual page 5

3 Safety Precautions and Working Techniques
Make sure you always have good balance and
secure footing.
Special care must be taken when working in diffi‐
cult, over-grown terrain.
Be particularly alert and cautious when wearing
hearing protection because your ability to hear
warnings (shouts, alarms, etc.) is restricted.
To reduce the risk of accidents, take a break in
good time to avoid tiredness or exhaustion.
Work calmly and carefully – in daylight conditions
and only when visibility is good. Stay alert so as
not to endanger others.
Do not touch the cutting blade while the engine
is running. If the blade becomes jammed by an
obstruction, switch off the engine immediately
before attempting to remove the obstruction –
risk of injury.
Opening the throttle while the blade is blocked
increases the load and reduces engine speed.
The clutch then slips continuously and this cau‐
ses overheating and damage to important com‐
ponents (e.g. clutch, polymer housing compo‐
nents) – and this can increase the risk of injury
from the cutting attachment moving while the
engine is idling.
If your power tool is subjected to unusually high
loads for which it was not designed (e.g. heavy
impact or a fall), always check that it is in good
condition before continuing work – see also
"Before Starting". Make sure the safety devices
are working properly. Do not continue operating
your power tool if it is damaged. In case of doubt,
consult your servicing dealer.
Check the cutting blade at regular short intervals
during operation or immediately if there is a
noticeable change in cutting behavior:
– Turn off the engine. Hold the unit firmly and
press the blade into the ground to bring it to a
standstill.
– Check condition and tightness, look for cracks.
– Replace a damaged blade immediately, even
if it has only superficial cracks.
Clean the cutting attachment and deflector at
regular intervals during operation.
– Shut down the engine.
– Wear gloves.
– Remove grass, weeds, clumps of soil, etc.
To reduce the risk of injury, shut off the engine
before changing the cutting attachment.
0458-471-0121-C
Do not continue using or attempt to repair a dam‐
aged or cracked blade by welding or straighten‐
ing – risk of out of balance.
This may cause parts of the cutting attachment
to come off and hit the operator or bystanders at
high speed and result in serious or fatal injuries.
If a rotating metal cutting attachment makes con‐
tact with a rock or other solid object there is a
risk of sparking which may cause easily combus‐
tible material to catch fire under certain circum‐
stances. Dry plants and scrub are also easily
combustible, especially in hot and dry weather
conditions. If there is a risk of fire, do not use
metal cutting attachments near combustible
materials, dry plants or scrub. Always contact
your local forest authority for information on a
possible fire risk.
3.6 After Finishing Work
After finishing work or before leaving the power
tool unattended: Shut off the engine.
After finishing work, clean dirt, soil and plant resi‐
due off the cutting attachment – wear gloves to
reduce the risk of injury.
Do not use grease solvents for cleaning.
After thoroughly cleaning, coat surface of metal
cutting attachments with a corrosion inhibitor.
3.7 Maintenance and Repairs
Service the machine regularly. Do not attempt
any maintenance or repair work not described in
the KombiTool and KombiEngine instruction
manuals. Have all other work performed by a
servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
Only use high-quality replacement parts in order
to avoid the risk of accidents and damage to the
machine. If you have any questions in this
respect, consult a servicing dealer.
STIHL recommends the use of genuine STIHL
replacement parts. They are specifically
designed to match your model and meet your
performance requirements.
To reduce the risk of injury, always shut off the
engine before carrying out any maintenance or
repairs or cleaning the machine.
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