Shindaiwa 89303 Owner's/Operator's Manual page 19

Maintenance (continued)
Blade Sharpening
WARNING!
Wear protective gloves when
handling or performing maintenance
on the blade.
When the cutting edges of the blade
become dull, they can be resharpened with
a few strokes of a file.
In order to keep the blade in balance, all
cutting edges must be sharpened equally.
WARNING!
Sharpen only the cutting teeth
of a blade. DO NOT alter the contour
of the blade in any way.
Shindaiwa Tornado™ Blade
Round
File
The top plate of each
tooth should angle
back 30°
Shindaiwa Tornado
™
To sharpen the cutters on a Shindaiwa
Tornado™ Blade, use a 7/32-inch round
file. File the leading edge of each tooth to
a razor edge. The top plate of each tooth
should angle back 30°.
Multiple-tooth Circular Blade
Maintain a radius of 0.04 to 1 to 1.5 mm (0.06")
at the base of each tooth. Cutting edges must
be offset equally on each side
Blade Multiple-tooth Circular Blade
Use a round file to maintain a radius of 0.04
to 1 to 1.5 mm (0.06") at the base of each
tooth. Cutting edges must be offset equally
on each side.
Round
File
19