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22 Inspection and Maintenance
Grass Blades
To sharpen the grass blades with a file:
► Remove the grass blades from the garden shears,
@ 13.2.
► Move the upper grass cutting blade fully in one direction
so that one side of the cutting edges is easily accessible.
► Sharpen each accessible cutting edge of the upper grass
cutting blade with a sharpening file. Always file toward the
cutting edge with a forward motion matching the
sharpening angle, @ 24.2. Sharpen on the forward
stroke. Lift off the blade on the backstroke.
► Only sharpen the cutting edges. Do not file blunt
projecting parts of the cutting attachment, or the cutting
blade guard. Make sure your sharpening stroke matches
the sharpening angle, @ 24.2.
► Move the upper grass cutting blade fully in the other
direction so that the other side of the cutting edges is
easily accessible and sharpen the rest of the cutting
edges.
► Use a whetstone to remove any burrs from the cutting
edges. Remove as little material as possible.
► After sharpening, wipe away filing or grinding dust with a
dry or slightly dampened cloth and then spray the cutting
blades with a resin solvent, such as STIHL Resin
Remover and Lubricant.
NOTICE
Operating the machine with dull or damaged cutting blades
may overload the motor. Keeping the cutting blades sharp
helps maintain cutting performance and the expected life of
the product.
0000-GXX-A624-A0
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