Stihl FS 450 Instruction Manual - Page 40

Sharpening, Metal Cutting Tools

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Sharpening Metal Cutting Tools 1 2 1 1 2 2 Never attempt to straighten or weld a bent or cracked cutting tool - it might shatter and cause serious or fatal injury. : Resharpen frequently, take away as little material as possible - two or three strokes of the file are usually enough. 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*. 002BA042 KN Grass Cutting Blades, Brush Knife Use a flat file* to sharpen dull cutting grass cutting blades. In case of more serious wear or nicks: Resharpen with a grinder or have work done by STIHL dealer. Chisel Tooth Circular Saw Blades Sharpen as described in the instructions supplied or printed on the inside of the blade's packaging. Scratcher Tooth Circular Saw Blades Use a flat file to file the backs of the teeth until the tips of the teeth are restored to full sharpness. * see "Guide to Using this Manual" FS 300, FS 350, FS 400, FS 450, FS 480 English / USA 39

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39
FS 300, FS 350, FS 400, FS 450, FS 480
English / USA
Never attempt to straighten or weld
a bent or cracked cutting tool – it
might shatter and cause serious or
fatal injury.
:
Resharpen frequently, take away as
little material as possible – two or
three strokes of the file are usually
enough.
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*.
Grass Cutting Blades,
Brush Knife
Use a flat file* to sharpen dull cutting
grass cutting blades.
In case of more serious wear or nicks:
Resharpen with a grinder or have work
done by STIHL dealer.
Chisel Tooth
Circular Saw Blades
Sharpen as described in the instructions
supplied or printed on the inside of the
blade's packaging.
Scratcher Tooth
Circular Saw Blades
Use a flat file to file the backs of the teeth
until the tips of the teeth are restored to
full sharpness.
*
see "Guide to Using this Manual"
Sharpening
Metal Cutting Tools
2
2
1
2
1
1
002BA042 KN