Case IH 8230 Bottom Sieve lack of air flow. - Page 2 - The Combine Forum
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post #11 of 20 (permalink) Old 07-08-2019, 08:36 AM
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Just click on Rods name in red and some options in a window will appear

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Square box........
Round pizza.......
Triangle pieces....

Iam confused......


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post #12 of 20 (permalink) Old 07-08-2019, 01:40 PM
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I’ve run the bottom sieve wider than the top in corn quite regularly with success. No part of a corn kernel will ever need re thrashed, so there’s no reason for it to go back through the rotor. The bottom sieve can be opened for max air flow and the top used to clean. Small grains are a different story.....

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post #13 of 20 (permalink) Old 07-09-2019, 06:09 PM
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Originally Posted by Ncf7.3 View Post
Iíve run the bottom sieve wider than the top in corn quite regularly with success. No part of a corn kernel will ever need re thrashed, so thereís no reason for it to go back through the rotor. The bottom sieve can be opened for max air flow and the top used to clean. Small grains are a different story.....
Yes, exactly. Both red & green are corn designed machines & that's where they work well with OEM gear in them. However, as you said, small grains are a very different story & these machines need some modifications to get the best out of them in grains other than corn & beans!
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post #14 of 20 (permalink) Old 07-11-2019, 05:58 PM
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Hey rod, would it work if you uploaded it to YouTube then just posted the link here so we can all watch it?
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2006 Case IH AFX8010 - Hillco 27% Leveler - 35' 2020 Flex
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post #15 of 20 (permalink) Old 07-11-2019, 06:30 PM
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Rear curtains

Here's the top sieve rear curtains installed. The video quality is poor ....... but I'm sure most will understand how they fit & how they work.
Once again I'll emphasise. These two bits of (durable/flexible) rubber DO NOT fix poor setup, worn out parts, wrong adjustment or wrong calibration of every other component, preceding!

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post #16 of 20 (permalink) Old 07-11-2019, 09:36 PM
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Would covering those fingers on the back of the sieve with tape or replacing them with sheet metal do the same thing as putting in those curtains?
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post #17 of 20 (permalink) Old 07-12-2019, 12:36 AM
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Would covering those fingers on the back of the sieve with tape or replacing them with sheet metal do the same thing as putting in those curtains?
I wouldnít. The curtains are cheap in comparison to what you gain.
Closing the finger grate off completely ..... youíve absolutely cut off your last line of defence.

You can try it & see what happens.
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post #18 of 20 (permalink) Old 07-13-2019, 12:51 AM
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Barn
We are cutting wheat right now, on the 8120 I have the top set at 14 and bottom 9 depending on the crop conditions and bin sample etc I may move them a number or two is all, pre sieve I have in the 3rd notch (small grain sieve there) I have the fan set at 1050, this is in heavy straw and 80 bu winter wheat. I did add the hard thresh covers to the rotor cage and it made a huge difference on getting my bin sample clean. Gap is 3 and rotor speed is 1000 ish. If you are still having trouble see if your dealer has a slide rule cheater, basically it has all the crops and you move it to what you are having an issue with and it tells you what to adjust to get your desired results, it has been a life saver at times because some of the changes arenít what you would think to do.
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post #19 of 20 (permalink) Old 07-14-2019, 04:48 PM
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what modifications have to be made for smaller grain?
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post #20 of 20 (permalink) Old Today, 09:41 AM
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Fit top sieve rear curtains before refitting top sieves.
Rod do you have a part number on those curtains you showed pictures of? I see two different part numbers but I think one of them is for 1 1/8" sieve (part number 47622785), and the other is for the corn sieve. Not sure why they are different.

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