Case combines

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Case combines

Oct 17, 2019 | 17:33 1 OK case guys, skill testing time. Why does my canola sample stay nice and clean and then get absolutely terrible and it is really hard to get back to acceptable. 5 to 7 year old 8120s and 8230. Swathed canola Reply With Quote
LEP
Oct 17, 2019 | 17:52 2 Is it due to the variability of the canola with riper and less ripe straw?

Dryer stems breaking up more? Reply With Quote
Oct 17, 2019 | 18:09 3 overloading sieves try to slow down rotor Reply With Quote
Oct 17, 2019 | 18:12 4 Perhaps a wet or uncured patch of swath, maybe from picking up a swath driven over by the swather.
Hows your wind setting, I know I use a lot more wind now than years back, especially if the straw/stems are really breaking up. Did you try opening the concave a little more to reduce the amount of smalls? Reply With Quote
Oct 17, 2019 | 19:28 5 Kill stall when clean and again when dirty. That should tell you what is going on. Reply With Quote
Oct 17, 2019 | 19:40 6 Whats in them for concaves
What are your settings?
Big or small rotor ?
Dryer the straw makes it worse ?
Straight or swathed?
Last edited by caseih; Oct 17, 2019 at 19:44.
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  • Oct 17, 2019 | 20:13 7 Leave sieves and fan set for wheat,open concave and play with rotor speed. Never tried but could be static electricity on the sieves.
    Last edited by 6V53; Oct 17, 2019 at 20:35.
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    Oct 17, 2019 | 20:30 8 Case concaves, 750 rotor, 800 fan, concave at20, 12 top 6 bottom, dry ripe straw. Big tube rotor. Reply With Quote
    blackpowder's Avatar Oct 17, 2019 | 20:40 9 Stupid question, hard thresh kits out? Reply With Quote
    Oct 17, 2019 | 20:44 10
    Quote Originally Posted by RD414 View Post
    Case concaves, 750 rotor, 800 fan, concave at20, 12 top 6 bottom, dry ripe straw. Big tube rotor.
    Bottom 12
    Top 10

    Seems backwards but has always worked for us. Reply With Quote
    farmaholic's Avatar Oct 17, 2019 | 20:45 11 Dick comment.

    How bad is it?
    If you're not throwing a bunch out....
    Pods don't weigh up.
    It's past the Ides of October....get er in the bin. Reply With Quote
    Oct 17, 2019 | 20:53 12
    Quote Originally Posted by Herc View Post
    Bottom 12
    Top 10

    Seems backwards but has always worked for us.
    We run the same , small tube rotor 9240
    For whatever reason , it seems strange , but that air system and sieves seems to perform well with that set up Reply With Quote
    Oct 17, 2019 | 21:30 13 If it's the same as NewHolland, it's just tougher early in the day, pods dont overload the sieves, and they roll out the rotor tubes. Day goes on, we overload the sieves, have to slow down and pods in the tank. In the evening goes back to a clean sample, as it gets tough again.
    I heard the MAD concave guys use a bit different philosophy kn combining canola, but we haven't tried. Reply With Quote
    Oct 17, 2019 | 22:16 14
    Quote Originally Posted by Templeboy View Post
    If it's the same as NewHolland, it's just tougher early in the day, pods dont overload the sieves, and they roll out the rotor tubes. Day goes on, we overload the sieves, have to slow down and pods in the tank. In the evening goes back to a clean sample, as it gets tough again.
    I heard the MAD concave guys use a bit different philosophy kn combining canola, but we haven't tried.
    I really like the MADS ๐Ÿ‘๐Ÿ‘ Reply With Quote
    Oct 18, 2019 | 05:36 15 I think the big tube rotor is more consistent in canola, small tube you are forever changing settings throught the day. likely overloading sieves with overthrashed material, swaths are probably shattering into dust. i found keeping the bottom open more and closing the top helps, slow the feder house down to match travel speed, almost completley close the presieve, slow the rotor right down, fan speed at least 650 and slow down. If you get too much falling thru the top, you could be getting MOG and seed falling into the fan slowing air flow. get a drop pan to test for loss out back.
    Last edited by MBgrower; Oct 18, 2019 at 05:40.
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    biglentil's Avatar Oct 18, 2019 | 06:15 16
    Quote Originally Posted by MBgrower View Post
    I think the big tube rotor is more consistent in canola, small tube you are forever changing settings throught the day. likely overloading sieves with overthrashed material, swaths are probably shattering into dust. i found keeping the bottom open more and closing the top helps, slow the feder house down to match travel speed, almost completley close the presieve, slow the rotor right down, fan speed at least 650 and slow down. If you get too much falling thru the top, you could be getting MOG and seed falling into the fan slowing air flow. get a drop pan to test for loss out back.
    Slow down! Have you seen the forecast and looked at the calendar? Turn the funnels down until they are out of the red and giv'r. Reply With Quote
    Oct 18, 2019 | 07:25 17 Yes presieve might be part of the problem. Usually we just close it completely Reply With Quote
    Oct 18, 2019 | 11:27 18 Thanks for advice, preserve rod came off on one, still struggling with second. Will try new settings. Reply With Quote
    Oct 18, 2019 | 19:54 19 The presieve rods have to be changed every 4 or 5 years as they wear out Reply With Quote