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Ensure proper ventilation when working in
trenches, hollows or other confined locations –
risk of fatal injury from breathing toxic fumes!
If you feel sick, have a headache, vision prob‐
lems (e. g., your field of vision gets smaller),
hearing problems, dizziness or inability to con‐
centrate, stop work immediately. Such symptoms
may be caused by an excessively high concen‐
tration of exhaust emissions – risk of accident!
2.11
After finishing work
Switch off the motor, engage the chain brake and
attach the chain scabbard.
2.12
Storage
When the machine is not in use, it should be
stored in such a way that no-one is endangered.
Secure the machine against unauthorised use.
Store the machine in a safe, dry room.
2.13
Vibrations
Prolonged use of the power tool may result in
vibration-induced circulation problems in the
hands (whitefinger disease).
No general recommendation can be given for the
length of usage because it depends on several
factors.
The period of usage is prolonged by:
– Hand protection (wearing warm gloves)
– Work breaks
The period of usage is shortened by:
– Any personal tendency to suffer from poor cir‐
culation (symptoms: frequently cold fingers,
tingling sensations).
– Low outside temperatures.
– The force with which the handles are held (a
tight grip restricts circulation).
Continual and regular users should monitor
closely the condition of their hands and fingers. If
any of the above symptoms appear (e.g. tingling
sensation in fingers), seek medical advice.
2.14
Maintenance and repairs
Always switch off the engine before any repair,
cleaning or maintenance work and any work on
the chain. Risk of injury if the engine starts inad‐
vertently!
Exception: adjustment of carburettor and idle
speed.
48
The machine must be serviced regularly. Do not
attempt any maintenance or repair work not
described in the Instruction Manual. All other
work should be carried out by a servicing dealer.
STIHL recommends that maintenance and repair
work be carried out only by authorised STIHL
dealers. STIHL dealers receive regular training
and are supplied with technical information.
Use only high-quality spare parts. Otherwise,
there may be a risk of accidents and damage to
the machine. If you have any questions in this
respect, consult a servicing dealer.
Do not modify the machine in any way – this may
increase the risk of personal injury –risk of acci‐
dents!
To reduce the risk of fire due to ignition outside
the cylinder, move the master control level to
STOP, 0 or † before turning the engine over on
the starter when the spark plug boot is removed
or the spark plug is unscrewed!
Do not service or store the machine near a
naked flame – risk of fire due to the fuel.
Check fuel cap regularly for tightness.
Use only spark plugs that are in perfect condition
and have been approved by STIHL – see "Speci‐
fications".
Check ignition lead (insulation in good condition,
secure connection).
Check that the muffler is in perfect working con‐
dition.
Do not use the machine if the muffler is damaged
or missing – risk of fire, damage to hearing!
Never touch a hot muffler – risk of burns!
The condition of the anti-vibration elements influ‐
ences vibration behaviour – inspect anti-vibration
elements periodically.
Inspect chain catcher – replace if damaged.
Switch off the engine
– To check the chain tension
– To retension the chain
– To replace the chain
– For remedying malfunctions
Observe sharpening instructions – for safe and
proper handling, always keep the chain and
guide bar in flawless condition. Keep the chain
properly sharpened, tensioned and well lubrica‐
ted.
2 Safety Precautions
0458-562-8721-B
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