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west central illinois | I have a white planter units on a black machine bar. It is 9X18 beans or 8X36 corn.
The problem I am having is row number 8 always has at least a 2lb coffee can full of beans in it when the other units are empty. The blower is plumb so that row 9 gets its air from the large main tube in the end of the run just past row 8. I have rebuild the each unit putting in new brushes cleaned out all of the air tubes (no mouse nest or leaks) switched bean plates and no luck. Could it be that the air is being robbed somehow from row 8? I have stopped in the field and looked at the disc and not seen any empty pockets in the plate, and can't tell a problem watching the monitors flashing squares (sm 3000) but row 7 and 8 runs around 10,000 less population. I am running 2.5 to 3.0 oz. of air. I don't seem to have any problem with corn.
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