
FS 131, FS 131 R
English
32
The carburetor has been set at the
factory to provide an optimum fuel-air
mixture under most operating
conditions.
Adjusting Idle Speed
Engine stops while idling
N
Warm up the engine for about
3 minutes.
N
Turn the idle speed screw (LA)
slowly clockwise until the engine
runs smoothly – the cutting
attachment must not run.
Cutting attachment runs when engine is
idling
N
Turn the idle speed screw (LA)
slowly counterclockwise until the
cutting attachment stops running
and then turn the screw about
another 1/2 to 3/4 turn in the same
direction.
WARNING
If the cutting attachment continues to run
when the engine is idling, have your
machine checked and repaired by your
servicing dealer.
WARNING
To reduce the risk of fire caused by hot
particles escaping from the machine,
never operate the machine without a
spark arresting screen, or with the spark
arresting screen damaged. Do not
modify the muffler or spark arresting
screen.
NOTICE
According to the law or regulations in
some countries or federal states, certain
operations may only be carried out if a
properly serviced spark arresting screen
is provided.
N
If the engine is down on power,
check the spark arresting screen in
the muffler.
N
Wait for the muffler to cool down
N
Undo screw (4)
N
Lift the spark arresting screen (5)
and pull it out.
N
Clean the spark arresting
screen (5). If the screen is damaged
or heavily carbonized, install a new
one.
N
Refit the spark arresting screen (5)
N
Insert and tighten screw (4)
Adjusting the Carburetor
0000-GXX-0495-A0
Spark Arresting Screen in
Muffler
0000-GXX-0486-A0
4
5