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► Drain and clean the fuel tank in a well ventila‐
ted area.
► Dispose of fuel properly in accordance with
local environmental requirements.
► Run the engine until the carburetor is dry – this
helps prevent the carburetor diaphragms stick‐
ing together.
► Remove, clean and inspect the cutting attach‐
ment. Coat metal cutting attachments with cor‐
rosion inhibitor.
► Thoroughly clean the machine – pay special
attention to the cylinder fins and air filter.
► Store the machine in a dry and secure location
– out of the reach of children and other unau‐
thorized persons.
19 Sharpening Metal Cutting
Blades
► Use a sharpening file (see "Special Accesso‐
ries") to sharpen dull cutting attachments. In
case of more serious wear or nicks:
Resharpen with a grinder or have the work
done by a dealer – STIHL recommends a
STIHL servicing dealer.
► Sharpen frequently, take away as little metal
as possible – two or three strokes of the file
are usually enough.
1
2
2
1
► Resharpen the teeth (1) uniformly – do not
alter the contour of the parent blade (2) in any
way.
30
See cutting attachment packaging for additional
sharpening instructions. Keep the packaging for
future reference.
19.1
► After resharpening about 5 times, check the
20 Maintaining the Mowing
20.1
1
► Shut off the engine.
► Lay your power tool on its back so that the cut‐
20.2
Always check the mowing head for signs of wear
before replacing the nylon line.
2
If there are signs of serious wear, replace the
complete mowing head.
1
The nylon mowing line is referred to as "nylon
line" or "line" in the following.
The mowing head is supplied with illustrated
instructions for replacing the nylon line. Keep the
2
instructions for the mowing head in a safe place.
► If necessary, remove the mowing head.
20.3
STIHL SuperCut
Fresh line is advanced automatically if the
remaining line is at least 6 cm (2 1/2 in) long.
19 Sharpening Metal Cutting Blades
Balancing
cutting attachment for out-of-balance on a
STIHL balancer – see "Special Accessories" –
or have it checked by a dealer and re-bal‐
anced as necessary – STIHL recommends a
STIHL servicing dealer.
Head
Placing power tool on the
ground
ting attachment mounting face is pointing up.
Replacing Nylon Line
WARNING
Adjusting Nylon Line
0458-433-0121-B
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