MS 441
English
43
For periods of 3 months or longer
N Drain and clean the fuel tank in a
well ventilated area.
N Dispose of fuel properly in
accordance with local
environmental requirements.
N Run the engine until the carburetor
is dry – this helps prevent the
carburetor diaphragms sticking
together.
N Remove the saw chain and guide
bar, clean them and spray with
corrosion inhibiting oil.
N Thoroughly clean the machine –
pay special attention to the cylinder
fins and air filter.
N If you use a biological chain and bar
lubricant, e.g. STIHL BioPlus,
completely fill the chain oil tank.
N Store the machine in a dry, high or
locked location, out of the reach of
children and other unauthorized
persons.
N Remove chain sprocket cover, saw
chain and guide bar.
N Release chain brake – pull hand
guard against the front handle
Fit new chain sprocket
– after use of two saw chains or
earlier
– if the wear marks (arrows) are
deeper than 0.02 in (0.5 mm) –
otherwise the service life of the saw
chain is reduced – use check gauge
(special accessory) to test
Using two saw chains in alternation
helps preserve the chain sprocket.
Use only STIHL original chain sprockets
to ensure reliable functioning of the
chain brake.
N Use a screwdriver to remove the E-
clip (1)
N Remove the washer (2)
N Remove rim sprocket (3)
N Inspect transport profile on the
clutch drum (4) – if there are also
heavy signs of wear, also replace
the clutch drum
N Remove clutch drum or spur chain
sprocket (5) including needle
cage (6) from the crankshaft – with
versions with two chain brake
systems, press throttle lock
beforehand
Storing the Machine Checking and Replacing
the Chain Sprocket
001BA121 KN
001BA122 KN
1
2
4
5
6
1
2
3
6
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