Great Plains P13114 2009 Operator Manual - Manual (Page 25)

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Operating Instructions
4.4 Double Disc Roller
The standard DD600 roller is made up of
individual Double Disc (patented) Ring
segments.
The DD rings are designed to consolidate the
soil whilst cutting and crushing any clods.
Even in heavy, wet soils it can easily be
operated with minimal blockages occurring.
The rear DD roller carries a proportion of the
machine’s weight to ensure consolidation.
The corrugated surface left by the roller is
weatherproof both for wet or dry situations.
4. Adjustment / Operation
Fig. 4.05: Double Disc Rollers