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SHARPENING THE RESHARPENABLE BLADES
Use of the accessory Blade Sharpening Ass'y
is recommended for convenience.
1. Use of Blade Sharpening Ass'y
As shown in Fig. 27, two blades can be
mounted on the blade sharpening ass'y
to ensure that the blade tips are ground at
uniform angles. During grinding, adjust
the position of the blades so that their
edges simultaneously contact the
dressing stone as shown in Fig. 28.
2. Blade sharpening intervals
Blade sharpening intervals depend on
the type of wood being cut and the cutting
depth. However, sharpening should
generally be effected after each 1640 ft
(500 m) of cutting operation.
3. Dressing Stone
When a water dressing stone is available,
use it after dipping it sufficiently in water
since such a dressing stone may be worn
during grinding works, flatten the upper
surface of the dressing stone as often as
necessary.
22
Blade (Resharpenable
blade type)
Fig. 27
Fig. 28
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