Assembly and function
Cirrus 3/4/6000 DB2034 08.04
47
4.10 Wedge ring tyre roller
The wedge ring tyre roller (Fig. 62/1)
• consists of wedge ring tyres individually arranged
next to each other
• reconsolidates the worked soil in strips
• provides the depth control of the packer coulters
(Fig. 62/2) for an even seed placement
• form the integrated transport wheels for road
transport.
Each wedge ring tyre is individually hinged on the
carrying frame and
• rests on the carrying arm with the aid of two
hydraulic rams
• can individually adapt itself to the soil contour
• provides the depth control for 4 packer coulters.
Fig. 62
All hydraulic rams for the wedge ring tyres of each
machine side are inter-connected in a closed hydraulic
circuit.
This results in a hydraulic compensation system
ensuring the constant reconsolidation underneath each
and every roller even in undulated terrain.
As a matter of principle: clean and calibrate the
compensation system after any repair work to ensure
the appropriate operation.
Fig. 63
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