► Store the machine in a dry, high or locked
location. Out of the reach of children and other
unauthorized persons.
14 Sharpening Instructions
When cutting performance and behavior begin to
deteriorate, i.e. blades frequently snag on
branches: Resharpen the cutting blades.
It is best to have the cutting blades resharpened
by a dealer on a workshop sharpener. STIHL
recommends a STIHL servicing dealer.
It is also possible to use a flat crosscut sharpen‐
ing file. Hold the sharpening file at the prescribed
angle (see "Specifications").
► Only sharpen the cutting edge – do not file
blunt projecting parts of the cutting blade or
the cutting blade guard (see "Main Parts and
Controls")
► Always file towards the cutting edge.
► The file only sharpens on the forward stroke –
lift it off the blade on the backstroke.
► Use a whetstone to remove burr from cutting
edge.
► Remove as little material as possible.
► After sharpening, clean away filing or grinding
dust and then spray the cutting blades with
STIHL resin solvent.
NOTICE
Do not operate your machine with dull or dam‐
aged cutting blades. This may cause overload
and will give unsatisfactory cutting results.
15 Maintenance and Care
The following intervals apply for normal operating
conditions. The specified intervals must be short‐
ened accordingly when working for longer than nor‐
mal or under difficult cutting conditions (extensive
dust, etc.).
Before starting work
At the end of work and/or daily
Whenever tank is refilled
Weekly
Monthly
Annually
If faulty
If damaged
As required
Complete machine Visual inspection (condi‐
tion, leaks)
X X
Clean X
Control handle Function test X X
Air filter (felt) Clean X X
replace X
Air filter (paper) Clean X X
replace X X
Manual fuel pump check X
Have repaired by a spe‐
cialist dealer
1)
X
Fuel pickup body in fuel
tank
Have checked by
dealer
1)
X
Have replaced by serv‐
icing dealer
1)
X X X
Fuel tank Clean X X
Carburetor Check idle speed X X
Readjust idle speed X
Spark plug Adjust electrode gap X
Replace after every 100
hours of operation
14 Sharpening Instructions English
0458-448-8321-C 17
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