Grain coming out from the rotor??? - The Combine Forum
 
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post #1 of 2 (permalink) Old 09-25-2005, 07:39 PM Thread Starter
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Grain coming out from the rotor???

We are having a problem with corn going over the rotor of a 2388. We are running 3.6 mph, 21% moisture and a few green leaves. The rotor is at about 500 rpms and the yield is 180 bu/ac. We have shut the machine off full to see if it was coming from the sieves or from the rotor. Apparently its coming from the rotor because there is corn up by the chopper and none by the sieves. We have tried everything that we can think of ex. slowing/speeding the rotor up, changing the veins so the corn will have more time to get out of the rotor, and taken the wires out on the first concave. Our dealer said its probably to much trash going through the machine....could this be? We are also having the same problem in soybeans but it is not near as severe as it is in the corn.

- Big Red

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post #2 of 2 (permalink) Old 11-09-2005, 05:22 PM Thread Starter
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Re: Grain coming out from the rotor???

Thanks for the tips.....we have the large wire concaves and the key stock grates. We removed every other wire on the first concave. After switching to soybeans and back to corn we didn't have this problem and were running any where from 4 to 4.2 mph. everything seemed to be working fine......must be something with early in the seasn vs. later in the season. Since were done with harvest we'll try those tips next year.
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Big Red

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