Stihl FSA 130 R Instruction Manual page 51

22 Inspection and Maintenance
To sharpen the metal cutting attachment:
► Use a flat file to sharpen dull cutting attachments. In case
of more serious wear or nicks, resharpen with a grinder or
have it sharpened by an authorized STIHL servicing
dealer.
► Sharpen frequently and take away as little metal as
necessary to create a sharp edge. Two or three strokes of
the file are usually enough.
► Resharpen the teeth uniformly. Take care not to alter the
contour of the blade body.
► See cutting attachment packaging for additional
sharpening instructions. Keep the packaging for future
reference.
To balance the metal cutting attachment:
► After resharpening about 5 times, check the cutting tool for
out-of-balance on a STIHL balancer (special accessory)
or have it checked and rebalanced by an authorized
STIHL servicing dealer as necessary.
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