MS 341, MS 361, MS 361 C
English
81
N Turn the high speed screw (H)
counterclockwise as far as stop (no
more than 3/4 turn).
N Turn the low speed screw (L)
carefully clockwise as far as stop,
then turn it back 1/4 turn.
Adjusting Idle Speed
Engine stops while idling
N Set the low speed screw (L) to 1/4
turn open.
N Turn the idle speed screw (LA)
clockwise until the chain begins to
run – then back it off 1/2 turn.
Chain runs when engine is idling
N Set the low speed screw (L) to 1/4
turn open.
N Turn the idle speed screw (LA)
counterclockwise until the chain
stops running – then turn it another
1/2 turn in the same direction.
Erratic idling behavior, poor
acceleration (even though low speed
screw is open 1/4 turn)
N Idle setting is too lean: Turn the low
speed screw (L) counterclockwise –
no further than stop – until the
engine runs and accelerates
smoothly.
It is usually necessary to change the
setting of the idle speed screw (LA) after
every correction to the low speed
screw (L).
Fine tuning for operation at high
altitude
A slight correction of the setting may be
necessary if engine does not run
satisfactorily:
N Check the standard setting.
N Warm up the engine.
N Turn high speed screw (H)
clockwise (leaner) – no further than
stop.
In some countries the muffler is
equipped with a spark arresting screen.
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 Take out the screw (1).
N Pull out the spark arresting
screen (2).
N Clean the spark arresting screen. If
the screen is damaged or heavily
carbonized, fit a new one.
N Refit the spark arresting screen.
N Insert the screw and tighten it down
firmly.
If the chain continues moving
when the engine is idling, have
your saw checked and repaired by
your servicing dealer.
213BA015 KN
H
L
L
H
If the setting is too lean there is a
risk of engine damage due to
insufficient lubrication and
overheating.
Spark Arresting Screen in
Muffler
213BA016 KN
1
2
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