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Estes Concaves Losses
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JohnW
Posted 7/22/2026 11:49 (#11707156 - in reply to #11706758)
Subject: RE: Estes Concaves Losses


NW Washington
FWIW, here is the AI overview for a 8240 in high yielding barley. Here is the CIH page for harvesting barley with a flagship machine.
https://caseihharvesting.com/barley-suggested-crop-setting-for-flags...


These are results for setting a Case IH 8240 combine for high-yielding barley
Search instead for setting a CasieIH 8240 combine for high yielding barley
AI Overview
Combine tips from the pros: For high-yielding barley in your Case IH 8240, prioritize separating heavy material without overloading the shoe or cracking the kernels. Use large-wire concaves, set your rotor to 700-850 RPM, and open concaves to 17-24 mm. Set the upper sieve to 15-17 mm and the lower to 10-12 mm, with the fan at 700-850 RPM.

+4
To handle high volumes of barley and avoid grain loss, fine-tune the following adjustments:
Concave & Rotor: Start with Large Wire Concaves. Set your rotor speed to 700–850 RPM and concave clearance to 17–24 mm. If you notice unthreshed heads or need to keep the beard intact (e.g., for malt barley), adjust to the wider end of the concave range.
Cleaning Shoe: Set the upper sieve (chaffer) between 15–17 mm and the lower sieve between 10–12 mm. Maintain your pre-sieve at the 3rd notch. If the grain sample is dirty, consider slightly closing the lower sieve or increasing the fan speed.
Fan Speed: Run the fan between 700–850 RPM. Adjust in 20 RPM increments based on the thickness of the crop mat and wind conditions. If you open the sieve, slow the fan slightly to prevent barley from blowing out the back.

Farm Progress
+1
Rotor Veins: Position the rotor veins to "slow" to give the heavy crop mat more time to separate.
Header Setup: If the barley is thick and heavy, set your reel speed slightly faster than your ground speed to pull the crop into the feeder smoothly. Set the header to "float" to avoid gouging in thick, lodged areas.
Loss Management: Do not push the engine load to 100%. Aim for 75–85% capacity. If you are throwing grain out the back, first slow your ground speed to avoid overloading the cleaning shoe.
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