Spark Arresting Screen In Muffler - Stihl MS 192 T Instruction Manual

English
Saw chain runs while engine is idling
Turn the idle speed screw (LA)
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counterclockwise until the chain
stops moving – then turn it another
2 turns in the same direction.
WARNING
If the chain continues moving when the
engine is idling, have your saw checked
and repaired by your servicing dealer.
Erratic idling behavior, poor acceleration
(even though standard setting of low
speed screw is correct)
Idle setting is too lean
Turn the low speed screw (L)
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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:
Carry out the standard setting.
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Warm up the engine.
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Turn high speed screw (H) slightly
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clockwise (leaner) – no further than
stop.
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NOTICE
After returning from high altitude, reset
the carburetor to the standard setting.
If the setting is too lean there is a risk of
engine damage due to insufficient
lubrication and overheating.
Spark Arresting Screen in
Muffler
In some countries the muffler is
equipped with a spark arresting screen.
If the engine is down on power,
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check the spark arresting screen in
the muffler.
Wait for the muffler to cool down.
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Remove the sprocket cover.
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Take out the screw (1).
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Remove the baffle plate (2).
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Remove the spark arresting
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screen (3).
Clean the spark arresting screen. If
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the screen is damaged or heavily
carbonized, fit a new one.
Refit the spark arresting screen.
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Fit the baffle plate.
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MS 192 T, MS 192 TC