Krone BiG X 770-3 - Counterweighing; Performing Counterweighing

Appendix – CropControl System
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1.4.6 Counterweighing
To ensure that the yield measurement is accurate, it is necessary to carry out at least one
counterweighing for each cultivated area and type of crop.
In order to obtain correct measurement values, counterweighing should be performed in the
middle and not at the edge of the field.
When counterweighing is complete and the entered weight of counterweighing has been
applied, the correction factor is recalculated. The recalculation of the correction factor initiates
the correction of the measured mass retrospectively for the entire order.
If several counterweighings are carried out, the correction factor is calculated from the average
of the total counterweighings for the order.
To ensure that the yield measurement is accurate, the following steps need to be done for
counterweighing:
• Select a trailer load corresponding to the average of the complete order,
• Run at average driving speed and engine load.
Prerequisites:
– The path sensor and the pressure sensor are calibrated, refer to menu 2-1 “Calibration Path
Sensor” / menu 2-2 “Calibration Pressure Sensor”.
– Empty tractor/wagon combination with known tare weight is available.
– Machine stopped.
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1.4.6.1 Performing Counterweighing
There are two possibilities to start and stop counterweighing.
1. Performing counterweighing on the working screen of CropControl
• Position the empty tractor/wagon combination next to the machine.
• To start counterweighing, press function key .
The status line displays the number of the currently active control weighing next to the
icon.
Notice: Memorise the number of the counterweighing and write it down.
• Load the tractor/wagon combination. Ensure that all harvested chopping crops are loaded
on the tractor/wagon combination.
• Press the function key to stop active counterweighing.
• Weigh the tractor/wagon combination. Make sure no crops are lost when travelling to the
scale.
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