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4,395 Posts
In my experience with STS machines they cannot make as clean of a sample in Hard wheat, our conventional 9660 would easily make a cleaner sample than our 9860STS. We have found that tightening up the concave and speeded up the rotor helps. But at the end of the day it seems to be something you have to live with but for us its not a big concern because our dockage the elevator has not gone up at all.
