| 摘要 |
A root crop harvester (10) comprising a forward crop-digger section (11), a conveying section (12, 15) arranged to receive material dug-up by the forward section (11) and to convey the material rearwardly to a discharge position (16) while carrying out at least partial separation of stone, clod and soil from the crop, and a roller separator device (25) arranged to receive material from the conveying section (12, 15) and to carry out further cleaning of the crop; in which the discharge end (16) of the conveying section (12, 15) is adjustable relative to the roller separator (25, 25a) between one position of adjustment (16a) in which there is maximum contact with the surfaces of the rollers (22) of the roller separator (25) suitable for heavy soil conditions, and a further adjusted position (16b) in which there is a reduced length of contact with the rollers of the roller separator.
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