Spreading operation 8
96
5. Set the metering slide stop end to the scale value from the fertiliser chart.
7. Start the tractor.
8. Set the PTO speed according to the values in the fertiliser chart.
9. Open the left metering slide for the calibration test time stipulated before from
the tractor seat.
10. Close the metering slide when this time has elapsed.
11. Determine the fertiliser weight (taking into consideration the empty weight of
the collection vessel).
12. Compare the actual quantity with the target quantity.
Actual output volume = target outlet volume: application rate stop/stopper
is set correctly. End calibration test.
Actual outlet volume < target outlet volume: Set the application rate
stop/stopper to a higher position and repeat the calibration test.
Actual outlet volume > target outlet volume: Set the application rate
stop/stopper to a lower position and repeat the calibration test.
n WARNING
Risk of injury due to rotating machine components
Rotating machine components (universal drive shaft, hubs) may
catch and pull-in body parts or objects. Contact with rotating
machine components may cause bruises, abrasions and crushing
injuries.
Always stay outside the area of rotating hubs while the
machine is running.
When the drive shaft is rotating, the metering slides are to
be operated from the tractor seat at all times.
Ensure that nobody is present in the hazard zone of the
machine.
6. Position a collection vessel
under the left outlet.
Figure 8.15: Implement the calibration test
NOTICE
You can use the percentage scale to reset the position of the application rate
stop/stopper. For example, if the calibration test weight is down by 10%, the ap-
plication rate stop/stopper is set to a 10% higher position (e.g. from 150 to 165).
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