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► Remove the shroud (2).
► Pull off the spark plug boot (3).
► 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.
► Connect the spark plug boot (3) and press it down firmly.
► Place the shroud (2) in position.
► Rotate the shroud fasteners (1) a quarter turn clockwise.
The shroud fasteners are locked.
16 Maintenance
16.1 Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
recommends the following maintenance intervals:
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
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3
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
► Have oil tank cleaned by a STIHL servicing dealer.
► Have fuel tank cleaned by a STIHL servicing dealer.
► Have pickup body in fuel tank cleaned by a STIHL
servicing dealer.
Every 12 months
► Have pickup body in fuel tank replaced by a STIHL
servicing dealer.
16.2 Deburring the Guide Bar
A burr can build up on the outer edge of the guide bar.
► Remove burr with a flat file or a STIHL guide bar dressing
tool.
► If you have any queries: Contact your STIHL servicing
dealer.
16.3 Sharpening the Saw Chain
Correctly sharpening saw chains requires a lot of practice.
STIHL files, STIHL filing aids, STIHL sharpeners and the
brochure "Sharpening STIHL Saw Chains" help you achieve
the right results. To obtain the brochure visit
http://www.stihl.com/sharpening-brochure.
STIHL recommends you have saw chains resharpened by a
STIHL servicing dealer.
16 Maintenance
0458-786-0121-A
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