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16 Maintenance
► Remove the air filter (3).
► Rinse away coarse dirt from the outside of the
filter (3) under running water.
► If the air filter (3) is damaged. Install a new air
filter (3).
WARNING
■ Cleaning agent may cause irritation if it con‐
tacts the skin or eyes.
► Observe the information supplied with the
cleaning agent.
► Avoid contact with cleaning agents.
► In case of contact with the skin: Wash
affected areas with plenty of water and
soap.
► In case of contact with the eyes: Rinse eyes
with plenty of water for at least 15 minutes
and seek medical advice.
► Spray the outside and inside of the air filter
(3) with STIHL special cleaner or a cleaning
agent with a pH value higher than 12.
► 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.
3
► 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 the chainsaw to cool down.
0458-784-0121-C
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► Remove the filter cover (1).
► Pull off the spark plug boot (2).
► If the area around the spark plug is soiled:
Clean it with a cloth.
► Unscrew the spark plug.
► Clean the spark plug with a cloth.
► If the spark plug is corroded, replace the spark
plug.
► Fit the spark plug and tighten it down firmly.
► Press the spark plug boot (2) firmly home.
► Fit the filter cover (1).
16 Maintenance
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16.1
Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
recommends the following maintenance inter‐
vals:
Chain brake
► Have the chain brake serviced by a STIHL
servicing dealer at the following intervals:
– Full-time usage: every 3 months
– Part-time usage: every 6 months
– Occasional usage: every 12 months
After every 100 hours of operation
► Install a new spark plug.
Weekly
► Check the chain sprocket.
► Check and deburr the guide bar.
► Check and sharpen the saw chain.
Monthly
► Clean the air filter.
English
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