Stihl Brushcutter - Operating Instructions; During break-in period; During operation

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Leave clearance of 2mm/5/64" %
between cutting edge and parent
blade - 5should be 2mm/5/64".
Radius5is 2.5mm/7/64"and is
obtained automaticallyif you use
the specified file and maintain
a filing angle of 30°&.
Cutting edge ' must be exactly
in line with center of blade’s
mounting hole.
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•
If slightly dull:
Use flat file  0814 212 3310 -
In case of more serious wear or
nicks: Resharpen with a grinder.
•
File back the cutting edge
parallel to the lines ( (see
illustration).
•
Resharpen frequently, take
away as little material as
possible - two or three strokes
of the file are usually enough.
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A factory new machine should not be
run at high revs (full throttle off load) for
the first three tank fillings. This avoids
unnecessary high loads during the
break-in period.
As all moving parts have to bed in
during the break-in period, the
frictional resistances in the engine
are greater during this period.
The engine develops its maximum
power after about 5 to 15 tank fillings.
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After a long period of full-throttle
operation, allow engine to run for a while
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