7.3 Bottom flap (brush adjustment)
A brush is installed over the meter roll. This
brush can be adjusted on a scale from +4 to -5
using a lever on the frame.
When the brush is pressed more on the meter
roll using the lever (scale value -1 to -5), the
spread rate is slightly reduced. When the
brush is lifted (scale value +1 to +4), the
spread rate is slightly increased.
The basic setting of the bottom flap is 0. The
calibration tests for the seeding tables were
performed with this setting.
As a matter of principle, the brush is used to
adjust the implement for the seed to be
spread. For fine seed types that flow well, the brush usually has to be set more inwards,
i.e. at a negative value, and for larger seeds, it must be set more outwards, i.e. at a
positive value on the scale.
The brush can also be used to adjust the spread rate for the seed more finely!
7.4 Agitator
Use of the agitator is only required for
seed types that tend towards bridging
or for very light seed (e.g. for grasses).
When the agitator is not required, you
only have to remove the chain that is
spanned on the drive wheels between
the agitator and the meter roll.
Meter
roll
Agitator
Chain
Fig.: 27
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