Instruction Manual

MS 461 R
English
49
NOTICE
After descending from a high altitude,
restore the carburetor setting to the
standard setting.
If the setting is too lean, the engine may
be damaged by overheating and a
shortage of lubricant.
N If engine performance deteriorates,
check the spark arresting screen in
the muffler
Guard plate
N Let the muffler cool down
N Remove the guide bar and saw
chain
The following screwed assemblies are
secured with adhesive (Loctite243).
Before assembly, the screws must be
coated with Loctite243 or an equivalent
adhesive – if necessary, have this done
by an authorized STIHL dealer.
N Remove screws(1)
N Remove chain catcher(2) and
guard plate(3)
Spark arresting screen
N Remove four screws
N Remove exhaust casing(1) of the
muffler
N Bend back the retaining lugs(2)
N Pull out spark arresting screen(3)
N Clean the dirty spark arresting
screen, replace if damaged or
heavily carbonized
N Refit the spark arresting screen in
reverse order of steps
Spark Arresting Screen in
Muffler
1
1
179BA006 KN
1
2
3
3443BA009 KN
1
3
2
3443BA010 KN