Operation Manual

58
English / USA
MS 441 C
1)
STIHL recommends that this work
be done by a STIHL servicing dealer
2)
Firmly tighten cylinder base screws
of professional saws (3.4 kW or
more) after 10 to 20 hours of
operation
* see “Guide to Using this Manual“
Please note that the following maintenance intervals apply for normal
operating conditions only. If your daily working time is longer than normal or
cutting conditions are difficult (very dusty work area, resin-rich wood,
tropical wood etc.), shorten the specified intervals accordingly. If you only
use the saw occasionally, extend the intervals accordingly.
before starting work after finishing work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required
Cooling inlets Clean
X
Cylinder fins Clean
X X
Prefilter channel and carburetor body Clean
X
Shutter, “preheat carburetor”, and preheating
channel
Clean (winter only)
X
Carburetor
Check idle adjustment – chain must not rotate
X X
Readjust idle
X
Spark plug
Readjust electrode gap
X
Replace after 100 hours of operation
All accessible screws and nuts
(not adjusting screws)
2)
Retighten
X
Spark arresting screen* in muffler
Inspect
X
Clean or replace
X
Cumbustion Chamber
Decarbonizing after 139 hours of operation,
then every 150 hours of operation
X
Chain catcher
Check
X
Replace
X
Safety label Replace
X