Chain Lubricant; Fill Chain Lubricant - Stihl 9 Instruction Manual

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Change the fuel pick up body every year.
Before storing your machine for a long
period, drain and clean the fuel tank and
run engine until carburetor is dry.
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For automatic and reliable lubrication of
the chain and guide bar:
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,PSRUWDQW Biological chain oil must be
resistant to aging (e.g. STIHL Bioplus)
since it will otherwise quickly turn to
resin. This results in hard deposits that
are difficult to remove, especially in the
area of the chain drive, clutch and chain.
It may even cause the oil pump to seize.
The service life of the chain and guide
bar depends on the quality of the
lubricant. It is therefore essential to use
only a specially formulated chain
lubricant.
If special chain lubricant is not available,
you may - in an emergency - use an HD
single grade or multigrade engine oil
with a viscosity that suits the prevailing
outside temperature.
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Medical studies have shown that
renewed contact with waste oil can
cause skin cancer. Avoid direct contact
with waste oil. If waste oil does get on
your skin, wash with soap and water.
'R QRW XVH waste oil for any purpose,
and dispose of it only at authorized
disposal locations.
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•
Thoroughly clean the oil filler cap
and the area around it to ensure
that no dirt falls into the tank.
•
Refill the chain oil tank every time
you refuel.
There must still be a small amount of oil
in the oil tank when the fuel tank is
empty.
If the oil tank is still partly full, the reason
may be a problem in the oil supply
system:
Check chain lubrication, clean the
oil passages, contact your STIHL dealer
for assistance if necessary.