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Frontflex 2000
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Crackerboard
The Crackerboard is mounted in front of the packer roller rings and can be set
to perform tillage actions of crumbling, levelling and packing as needed. Only
the 150 and 300 cm models can be equipped with a Crackerboard.
Operation
The Crackerboard is a versatile piece of equipment, with several application
possibilities in one unit. At a depth setting of approximately 3 to 5 cm, de-
pending on the soil, the vibrating power of the tines will crush clods. A deeper
setting of the Crackerboard provides a greater levelling effect than that of a
levelling board, as a small amount of soil builds up in front of the tines.
Fig. 8
Under most conditions, best results will be achieved by setting the tines of the
Crackerboard at a 70˚ angle to the surface of the ground. The working depth
must be adjusted according to subsequent crops and the condition of the field.
The Crackerboard is not intended for use as a bulldozer blade but rather for
light tillage operations. Each tine moves and flexes individually in response to
counter pressure from land contours, resulting in a more uniform field surface
than that obtained from use of a levelling bar.
Angle and depth adjustment
The angle of the tines of the Crackerboard can be adjusted manually if neces-
sary.
The angle of the tines influences the action of the tines in the soil. If the tines
are set to work aggressively and the working depth is set in the uppermost soil
layer, the tines will produce the greatest amount of vibrations possible to
crush clods, resulting in a finely crumbled surface (Fig. 9).
side 13
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