Stihl MS 500i W - Cleaning the Spark Plug

0458-809-0121-A
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English 15 Cleaning
► Allow STIHL special cleaner or cleaning agent to act for 10
minutes.
► Use a soft brush to clean the outside of the air filter (3).
► Rinse the outside and inside of the air filter (3) under
running water.
► Allow air filter (3) to dry in the air.
► Push the air filter (3) into place by hand.
► Fit the filter cover (2).
► Rotate the filter cover lock (1) clockwise until you hear a
click.
The filter cover lock (1) is secure.
15.4 Cleaning the Spark Plug
► Shut off the engine and engage the chain brake.
► Allow chainsaw to cool down.
► Rotate the filter cover lock (1) a quarter turn
counterclockwise.
► Remove the filter cover (2).
► Rotate the shroud lock (1) a quarter turn
counterclockwise.
► Remove the shroud (4).
► Pull off the spark plug boot (5).
► If area around the spark plug is dirty: Clean it with a damp
cloth.
► Unscrew the spark plug.
► Clean the spark plug with a damp cloth.
► If the spark plug is corroded: Install a new spark plug.
► Fit the spark plug and tighten it down firmly.
► Position the spark plug boot (5) so that the lug (6) points
vertically upwards.
► Press the spark plug boot (5) firmly home.
► Place the shroud (4) in position.
► Rotate the shroud lock (3) clockwise until you hear a click.
The shroud lock (3) is secure.
► Fit the filter cover (2).
► Rotate the filter cover lock (1) clockwise until you hear a
click.
The filter cover lock (1) is secure.
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