When working with the GPS system, the tractor implement combina‐
tion must travel at a speed of at least 3 km/h, as GPS is not accurate
enough at lower speeds. If the tractor drives slower and does not
process GPS signals, the hoeing elements remain in the current posi‐
tion (lowered or lifted).
The maximum speed for driving into the headland with GPS is 6 km/h.
At higher speeds, there is a risk of the GPS signals not being processed
correctly. In this case, the individual hoeing elements are not lifted fast
enough.
6.2.4.2 Driving with GPS steering discs
GPS-controlled steering discs ensure that the hoeing implement keeps
to the track precisely even if the tractor deviates slightly from the track.
Preconditions for operation:
√ The tractor is equipped with a GPS steering system with RTK
receiver.
√ The RTK receiver of the tractor is connected to the RTK receiver of
the implement by Duo/Twin GPS.
√ Sowing is carried out supported by GPS with RTK.
√ The sowing contour is saved on the operation terminal of the
tractor.
1. Connect the GPS frame to the tractor control via the DW control
unit. When doing so, pay attention to the ow direction +/–.
INFORMATION: A nonreturn valve prevents oil owing in the
wrong direction.
2. Release the stabilisers of the lower link.
3. Call up the saved sowing contour on the operation terminal of the
tractor.
4. Drive along the rows of plants according to this contour.
Speeds when driving with GPS system
Driving with GPS steering discs
Operation
en-GB | Item no. 17513597 | BA 02/05-2022 65
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