MS 440
English
38
WARNING
Arcing may occur if the adapter nut (1) is
loose or missing. Working in an easily
combustible or explosive atmosphere
may cause a fire or an explosion. This
can result result in serious injuries or
damage to property.
N
Use resistor type spark plugs with a
properly tightened adapter nut.
Installing the spark plug
N
Fit the spark plug by hand and
screw it in
N
Tighten spark plug with combination
wrench
N
Press the spark plug boot firmly
onto the spark plug
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 0.5 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.
STIHL recommends use of original
STIHL chain sprockets in order to
ensure optimal functioning of the chain
brake.
1
000BA045 KN
Storing the Machine
Checking and Replacing the
Chain Sprocket
001BA121 KN
