40
Grind every blade only up to minimum distance from edge to its fixing
bolt. i.e. 37,5 mm. This distance on a new blade is 100 mm, see
following figure.
Max. wear/grinding of cutting edge
Chipping Adjustment
Optimal operation of the chipping device requires proper setting of a clearance
between the blade and the opposite cutting edge. This distance should be set (see
following figure) and checked after fitting ground blades, then it grows with their
wear and chipped branches may be squeezed between the blade and the opposite
edge. It brings deterioration in quality of chipping.
Pay attention also to blades exchange. In such case set the given clearance bigger
to avoid damage of a new blade and its opposite cutting edge.
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