36
English / USA
FS 500, FS 550
To avoid out-of-balance!
: Resharpen the cutters (1) uniformly
– do not alter the contour of the
parent blade (2) in any way.
: After resharpening about 5 times,
have blade checked on STIHL
balancer** and rebalanced as
necessary.
Circular Saw Blades 225, 250
Chisel tooth circular saw blade:
: Sharpen as described in the
instructions supplied or printed on
the inside of the blade's packaging.
Scratcher tooth circular saw
blade:
: Use a flat file to file the backs of the
teeth until the tips of the teeth are
restored to full sharpness.
** see "Special Accessories"
Grass cutting blade 255-8
: Resharpen when the tips of the
cutting edges (3) have worn down to
about 3/64" (1 mm) (A).
Measurements and angles for
resharpening
: Leave clearance of 1/8" (3 mm) (B)
between cutting edge and parent
blade. Radii R1 and R2 should be
7/64" (2.5 mm) and are obtained
automatically if you use the
specified file* and maintain a filing
angle of 30° (C).
: Sharpen cutting edges as shown by
the lines (D) in the illustration.
** see “Special Accessories”
Brush Knife 350
: Use the sharpening template
0457 342 2636 provided.
: Sharpen the cutting edges (3) at the
tips. Maintain a sharpening angle of
30° (A).
: File back the cutting edges parallel
to the lines on the sharpening
template.
: Do not sharpen cutting edges (4)
even if they are nicked in places.
3
C
A
B
R1
R2
3
D
002BA044 KN
A
3 3
4 4
002BA045 KN
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