ü
Perform the test at the desired working speed.
ü
Spread along tracks 1 to 3 one after the other.
u
Open the metering slide
10
m before
the collection trays.
u
Close the metering slides approx.
30
m behind
the collection trays.
If the quantity collected in the collecting vessels is insufficient, repeat the passage.
Do not change the adjustment of the metering slides.
9.9.4
Evaluating results
u
Pool the contents of the collecting vessels placed one after another and pour them into the
measuring tubes from the left-hand side.
u
The quality of the horizontal spreading pattern can be read off the three measuring tubes.
Fig. 53: Possible results
A
All tubes contain the same amount.
B
Fertilizer distribution not symmetrical
C
Too much fertilizer in the overlap zone
D
Too little fertilizer in the overlap zone
9.9.5
Correcting settings
n
Examples for the correction of spreader settings
Test result Fertilizer distribution
Action, test
Case A
Even distribution (admissible deviation ±1
scale line)
Settings are correct.
9. Spreading operation
92
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MDS 8.2/14.2/18.2/20.2
