Super Walter W630, Руководство оператора

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Angle of work
Seven angles of work are possible, that are selected by moving the lever (B-Figure 23)
moving the lever backwards into either one of the four positions, according to the need.
Neutral Position: position zero. It compacts the seeding line, creating a small ridge.
Positive positions: points, +1, +2, +3, +4, +5. These positions compact even more the
seeding line, and add more soil to the ridge.
Negative position: position 1. It compacts the seeding line and moves soil toward the sides.
Away from the seeding line. (Figures 24 and 25)
Dented concave discs can be mounted to enhance
lateral soil removal and compact the soil around the
seed line, basically for no till conditions (Figure 26.)
Figure 26
Figure 24
Figure 25