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Stihl GS 461 Notice D'emploi page 21

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17 Spark Arresting Screen in Muffler
NOTICE
After returning from high altitude, reset the car‐
buretor to the standard setting.
If the setting is too lean there is a risk of engine
damage due to insufficient lubrication and over‐
heating.
17 Spark Arresting Screen in
Muffler
WARNUNG
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.
► If the engine is down on power, check the
spark arresting screen in the muffler
► Wait for the muffler to cool down
► Take out the four screws
► Remove the muffler exhaust casing (1)
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0458-761-8221-B
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► Bend back the retaining tabs (2)
► Pull out the spark arresting screen (3)
► Clean the dirty spark arresting screen, replace
if damaged or heavily carbonized
► Refit the spark arresting screw in the reverse
sequence
18 Spark Plug
► If the engine is down on power, difficult to start
or runs poorly at idle speed, first check the
spark plug.
► Fit a new spark plug after about 100 operating
hours – or sooner if the electrodes are badly
eroded. Install only suppressed spark plugs of
the type approved by STIHL – see "Specifica‐
tions".
18.1
Remove the spark plug
► Remove coarse dirt from the machine
► Turn screw plug above the rear handle in the
direction of the arrow and remove filter cover –
screw plug is secured in the filter cover
► Lift the air baffle (1) up and off
► Unplug spark plug boot (2)
► Unscrew spark plug
English
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