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I run a 97 2188 and a 99 2388. I have both machines set up the same way. Small wire concaves, Peterson seives. The 2388 does a very good job but the 2188 has always left grain on the right side of the machine. Combining very easy threshing winter wheat right now with my bottom seive open plenty far, so returns shouldnt be a problem. I have searched the archives and checked pretty much everything mentioned.
Did a kill stall to check things out and thought I had found a leak where the shoe and the frame meet. I then dropped the spreaders and realized the my right spreader was bringing the material back around towards the frame which made it look like it was coming from that area. I do not run the rubber curtain over the rear axle.
Right now I am running 900 on the rotor, 1100 on the fan and 2 on the concaves. Like I said, I have always fought this with this machine and thought I would see if maybe someone had any ideas. It does show up more in winter wheat with the extra straw.
Did a kill stall to check things out and thought I had found a leak where the shoe and the frame meet. I then dropped the spreaders and realized the my right spreader was bringing the material back around towards the frame which made it look like it was coming from that area. I do not run the rubber curtain over the rear axle.
Right now I am running 900 on the rotor, 1100 on the fan and 2 on the concaves. Like I said, I have always fought this with this machine and thought I would see if maybe someone had any ideas. It does show up more in winter wheat with the extra straw.