Stihl MS 311 Instruction Manual page 36

English
The following maintenance intervals apply for normal operat‐
ing conditions only. When working under difficult conditions
(high accumulation of dust, highly resinous lumber, lumber
from tropical trees, etc.) or longer than normal each day, the
specified intervals must be shortened accordingly. If you only
use the tool occasionally, extend the intervals accordingly.
Air intake on fan housing
Cylinder fins
Carburetor
Spark plug
Accessible screws and nuts
(except adjusting screws)
Spark arresting screen in muf‐
fler
Chain catcher
Safety information label
1)
STIHL recommends STIHL servicing dealer
2)
When using professional chainsaws (with a power output of 3.4 kW or more) for the first time,
tighten the cylinder block screws after 10 to 20 hours of operation
36
Clean
Clean
Check idle adjustment – saw
chain must not rotate
Set the idle speed; if required
have the chainsaw repaired
by a specialist dealer
Adjust electrode gap
Replace after 100 hours of
operation
2)
Tighten
Check if installed
1)
Check or replace
check
replace
replace
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28 Maintenance and Care
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0458-542-8221-D
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