The purple lever is used to set the height position of the green plow frame. To do that, first pull the lever (to pull its pin out of the hole of the disc), then rotate it to the desired position (desired hole) and release the lever. The lever controls a 4-bar linkge (pink and brown rockers and orange connecting rod) and a parallelogram mechanism (brown rockers and yellow connecting rod).
Turn the red screw handle to adjust the angular position of the plow frame.
This animation was made at the request of a farmer from India and is based on
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STEP files of this video:
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Inventor files of this video:
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