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Implement Alley Discussion Forum

Thresher Adjustments

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Crazy Red Power

08-16-2007 15:04:28




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I have a McD 22x38 steel thresher & would like to know how to make the proper adjustments. I've misplaced my manual & I don't recall it being too descriptive when it came to operations, anyhow. I'm threshing oats that are weedy & have a week to sweat, yet. I'm using a Farmall H for power if that helps. I would like to know how to adjust the cleaning fan blinds, concave & sieves. I've heard a thresher can be a very efficient machine & I want to see if it's possible to get mine to work that well. Thanks in advance!

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DRL

08-18-2007 01:46:00




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 Re: Thresher Adjustments in reply to Crazy Red Power in SEWI, 08-16-2007 15:04:28  
Don"t know about a McD thresher. Case manual says set conveyor sieve (top sieve) should be set at 1/2 to 5/8" and shoe sieve (lower) at 3/8 to 1/2" for oats. I will second the advice of getting more horsepower to run. If it is real weedy and you have a lot of straw, you will need a tractor that can handle it. If your cylinder speed is not consistant, you will be really disappointed in the results. Digging out a slugged cylinder is not very fun either. I"m afraid that the old H probably won"t be able to keep up the RPM"s. You may have to play around with the sieve settings and fan shutters to get the best results. We"ll be threshing wheat next month and it is going to be quite a challenge this year. Lots of straw and very small grain. Getting the right balance to get rid of the straw without blowing the grain out the stacker is going to be tricky. Good luck. Glad to see that there are others out there keeping the art of theshing alive.

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WOpp

08-17-2007 17:44:51




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 Re: Thresher Adjustments in reply to Crazy Red Power in SEWI, 08-16-2007 15:04:28  
May I suggest you use a more powerful tractor to start with. If you are short on power you are unable to maintain a constant RPM on the cylinder of your thresher which is key to a good job. Make sure your cylinder speed is 1000-1050 RPM. For oats you will have to close down some on the wind doors to keep from blowing it out with the straw. Keep your top seave open to about 3/4" and your bottom seave open about1/4" check to see how clean the grain is on your truck or wagon, You may have to play with bottom seave and more or less wind to get a nice clean job. For sure more power on the belt will help you a lot. Good Luck, Happy Threshing Warren

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Sid

08-16-2007 17:35:40




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 Re: Thresher Adjustments in reply to Crazy Red Power in SEWI, 08-16-2007 15:04:28  
I have worked around threshers but never operated one. But I would think that just about any combine manual would get you close on at least a place to start. Then whatch what come in clean grain you don't want and see goes in the staw stack you want to keep and go from there. The one operator I was around was always looking at clean grain and what was blowing out and made adjustments here and there. Hope it goes well.

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