Spark Arresting Screen In Muffler; Spark Plug - Stihl MS 201 TC-M Instruction Manual

English
Engage the chain brake.
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Do not use your chainsaw and
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contact your STIHL servicing dealer
for assistance. Your saw has a
malfunction.
As soon as the engine speed drops
noticeably:
Release the throttle trigger.
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The engine runs at idling speed Your
saw is calibrated and ready for
operation.
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Spark Arresting Screen in
Muffler
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 chain sprocket cover –
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see "Mounting the Bar and Chain"
Take out the screw (1).
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2
Pull out the spark arresting
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screen (2).
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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Insert the screw.
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Fit the chain sprocket cover.
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Spark Plug

If the engine is down on power,
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difficult to start or runs poorly at idle
speed, first check the spark plug.
Fit a new spark plug after about 100
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operating hours – or sooner if the
electrodes are badly eroded. Install
only suppressed spark plugs of the
type approved by STIHL – see
"Specifications".
Removing the Spark Plug
1
Move the Master Control lever to the
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stop position (0).
Disengage the chain brake.
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MS 201 TC-M