MS 170, MS 170 C, MS 180, MS 180 C
English
24
Preparing the machine
N Before fueling, clean the filler cap
and the area around it so that dirt
cannot fall into the tank.
N Always position the machine so that
the filler cap is facing upwards
N Open the filler cap
Refueling
Take care not to spill fuel while fueling
and do not overfill the tank.
STIHL recommends use of the STIHL
filling system for fuel (special
accessory).
WARNING
After fueling, tighten down the filler cap
by hand as securely as possible.
Use a suitable tool (e. g., screwdriver of
the combination wrench) for slotted filler
caps.
Fuel pick-up body replacement
Change the fuel pick-up body every
year; to do this:
N Drain the fuel tank
N Pull the fuel pick-up body out of the
tank with a hook and disconnect it
from the hose
N Connect a new fuel pick-up body to
the hose
N Return the fuel pick-up body to the
tank
For automatic and reliable lubrication of
the chain and guide bar – use only an
environmentally compatible quality
chain and bar lubricant. Rapidly
biodegradable STIHL BioPlus is
recommended.
NOTICE
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 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.
WARNING
Do not use waste oil. Renewed contact
with waste oil can cause skin cancer.
Moreover, waste oil is environmentally
harmful.
NOTICE
Waste oil does not have the necessary
lubricating properties and is unsuitable
for chain lubrication.
Fueling
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