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English
• In addition, the shape of the blade tips is also
extremely important for the proper performance and
speed of the initial cutting. The angle of the
blade
tips
determines how the wood is pulled into the
shredding chamber. If a blade tip is rounded due to
wear, turn the blade around or replace it. See “11.5.3.
Turning or replacing the blades”, page 64.
• The goal is to have the chips ejected as quickly as
possible from the shredding chamber for the se-
condary cutting. This means they must be chopped
down quickly in order to be ejected rapidly. As such,
the chips must be become smaller every time they
are in contact with the cutting edge of a blade. The
sharper an active cutting edge, the more efficient
shredding will be. As such, it is essential to regularly
sharpen the cutting edges of the blades and to make
sure that the blades are held tightly in place.
• The teeth on the cutting edge provide increased
cutting power to the blades and also ensure that the
cutting edge remains sharp for a longer period of
time. While performing maintenance operations, it is
very important to avoid sharpening the teeth of the
blades. See “11.5.2. Sharpening the blades”, page 62.
The positioning of the blades on the blade shaft was purposefully chosen to create alternating
chopping during the initial cutting and the proper introduction of the wood chips into the shred-
ding chamber during the second cutting. Always respect the original configuration of the blades
when turning or replacing them. (“11.5.3.1. How to turn a blade”, page 65 for instructions.)
11.5.2. Sharpening the blades
Correct and timely sharpening (we recommend at least every 10 working hours) will extend the
duration and operating life of the blades.
• Remove the key from the ignition for your own safety.
• Open the shredding chamber. (see Section 11.3.4, page 53)
Preparatory warnings
• Always wear safety goggles and hearing protectors when sharpening blades. Gloves are also
mandatory for performing any type of maintenance work.
• NEVER turn the blade shaft by grabbing the blades directly. To turn the shaft, use the ejection
impeller.
Summary of Contents for Prof 6
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Page 91: ...91 English ...
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