MS 261 C-M
English
42
Air filter
Clean
X
X
Replace
X
Anti-vibration elements
Check
X
X
Have them replaced by a servicing
dealer
1)
X
Air intake on fan housing
Clean
X
X
X
Cylinder fins
Clean
X
X
X
Carburetor
Check idle adjustment – saw chain must
not rotate
X
X
If the saw chain rotates in idle, have the
chain saw serviced by a servicing
dealer
1)
X
Spark plug
Adjust electrode gap
X
Replace after 100 hours of operation
X
Accessible screws, nuts and bolts
Tighten
2)
X
Spark arresting screen in muffler
Have checked by a specialist dealer
1)
X
Have cleaned by a specialist dealer, or
replaced if necessary
1)
X
Chain catcher
Check
X
Replace
X
Exhaust bore
Decarbonise after 139 hours of opera
-
tion, subsequently after every 150 hours
of operation
X
Safety information label
Replace
X
1)
STIHL recommends STIHL servicing dealers
2)
During initial use of chain saws (with a power output of 3.4 kW or more), tighten the cylinder block screws after 10 to 20 hours of operation
The following information applies in normal operating conditions. The specified inter
-
vals must be shortened accordingly when working for longer than normal or under
difficult cutting conditions (extensive dust, highly resinous lumber, lumber from trop
-
ical trees, etc.). If the machine is only used occasionally, the intervals can be
extended accordingly.
B
ef
ore
s
ta
rtin
g
wo
rk
At
the
e
nd
of
work
and
/or
da
ily
Whe
never ta
nk is refille
d
Wee
kly
Mon
thl
y
Ye
arly
If fa
ul
ty
If
dama
ged
As
requ
ired