53
English
On the other hand, the form of the top of the blade is of essential
importance for the performance and the speed of this primary
shredding. The angle of the top of the blade will determine the angle
at which the wood is pulled inside the shredding chamber. If this
angle is rounded off due to wear, turn the blades around or replace
them. (read “11.4.3 Reversing and renewing the shredding knives
(Turn Knives)” on page 55)
The issue is to have the chippings leave the shredding chamber as quickly
as possible with regard to the secondary shredding. The chippings, there-
fore, must be quickly reduced until they are small enough to pass through
the openings of the sieve screen. Every contact with the cutting area of
a blade must make the individual chipping smaller. The sharper the full
active cutting edge of the blade, the more efficient the shredding will be.
Regular grinding of the cutting edge is essential.
The teeth on the cutting edge ensures that the cutting power of the blades
increases and the cutting edge remains sharp for a longer period of time.
It is very important to never grind away the teeth when performing main-
tenance on the blades.
(read “11.4.2 Sharpening the blades” on page
53)
The position of the blades on the blade shaft has been selected very specifically to obtain a alter-
native chopping configuration with regard to the primary shredding and the correct circulation of
the chippings in the shredding chamber with regard to the secondary shredding. Always observe
the original set-up of the blades when reversing or replacing them. (read “11.4.3.1 To reverse a
shredding blade, proceed as follows” on page 56)
11.4.2 Sharpening the blades
Correct and timely sharpening of the shredding blades will extend their operating life
(we recommend at least every 10 working hours).
Preparatory warnings
• Always wear safety glasses and hearing protection when grinding blades. Gloves are also
mandatory for performing the maintenance work.
• NEVER turn the blade shaft by grabbing the blades. Use the AXELERO to turn the rotor.
• The blade has two cutting edges (reversible blade). This means that you must take into account
when sharpening that there is another razor-sharp blade side.
• Remove all wood dust and chipping residue from the shredding chamber, around the blade
To Next Page
Loading...
