Bredal F4 - Fertiliser Spreading Test Corrections; Correcting Excess Fertilizer Between Tracks; Correcting Excess Fertilizer Behind Spreader; Headland Spreading Pattern Check

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Enter a higher value under “downshute position”. Preferably enter 2 steps more. If a subsequent test shows that two steps was too much, the
dierence between the two tests will indicate how much the scale needs to be moved back.
> If excess fertilizer is deposited behind the spreader
Position the trays as shown below. If the spreader deposits too much fertilizer beyond the boundary in relation to the preferred amount, lower the
rpm by 50–100 rpm per test until the spreading result is acceptable. Conversely, the rpm setting should be increased by 50–100 rpm if spreading
to the boundary is insucient.
> Spreading sample: headland spreading
Enter a lower value under “downshute position”. Preferably enter 2 steps less. If a subsequent test shows that two steps was too much, the dier-
ence between the two tests will indicate how much the scale needs to be moved back.
> If excess fertilizer is deposited between the tracks