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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.
2
1
002BA083 KN
2
1
2
2
1
1
► Resharpen the teeth (1) uniformly – do not
alter the contour of the parent blade (2) in any
way.
See cutting attachment packaging for additional
sharpening instructions. Keep the packaging for
future reference.
19.1
Balancing
► After resharpening about 5 times, check the
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.
20 Maintaining the Mowing
Head
20.1
Placing power tool on the
ground
002BA406 KN
► Shut off the engine.
► Lay your power tool on its back so that the cut‐
ting attachment mounting face is pointing up.
20.2
Replacing Nylon Line
Always check the mowing head for signs of wear
before replacing the nylon line.
WARNING
If there are signs of serious wear, replace the
complete mowing head.
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
instructions for the mowing head in a safe place.
► If necessary, remove the mowing head.
20.3
Adjusting Nylon Line
STIHL SuperCut
Fresh line is advanced automatically if the
remaining line is at least 6 cm (2 1/2 in) long.
English
19 Sharpening Metal Cutting Blades
30
0458-433-0121-B
Summary of Contents for FS 311
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