Ever use ground pressure sensing for auto header height with a MacDon? - Page 2 - The Combine Forum
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post #11 of 73 (permalink) Old 12-02-2018, 09:13 PM
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I'm confused...I thought Claas hydraulic pressure sensing, (49 and lower) only could be used once the header ground sensors were completely depressed. This would occur when adapter springs are fully depressed on a MacDon.

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post #12 of 73 (permalink) Old 12-02-2018, 09:14 PM Thread Starter
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Ok so I guess I missed a lesson there. Isn’t that still using the Macdon float sensor or is that using hydraulic pressure on the lift cylinders?

Edit: It has to be using the float sensor or how would it know it’s on the ground.
Pressure change in the cylinders, the MacDon sensor would not be used.
Actually, I don’t think you’d need any header calibration!

Unless that’s how Claas learns zero pressure.


Last edited by Don Boles; 12-02-2018 at 09:17 PM.
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post #13 of 73 (permalink) Old 12-02-2018, 09:27 PM Thread Starter
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I'm confused...I thought Claas hydraulic pressure sensing, (49 and lower) only could be used once the header ground sensors were completely depressed. This would occur when adapter springs are fully depressed on a MacDon.
No.
Thatís why the contact weight setting.
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post #14 of 73 (permalink) Old 12-02-2018, 09:34 PM
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Ok so I guess I missed a lesson there. Isnít that still using the Macdon float sensor or is that using hydraulic pressure on the lift cylinders?

Edit: It has to be using the float sensor or how would it know itís on the ground.

Edit 2: Actually just the wheels touching could give it enough feedback and sense a pressure drop.

Combine feels it thru Lift cylinder. With wheels on ground or in Flex mode.With the different weight you have on wheels or on skids. But combine needs to be learned to header.

I even used a combination of Flex-wheels and Ground compensation when it was wet in Beans this year. Worked super.
I'm willing to bet it works as good as if i had a claas header.
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post #15 of 73 (permalink) Old 12-02-2018, 09:35 PM
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Hmm, interesting.

Probably not an issue but, would the crop on the header have any effect on the pressure setting ?
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post #16 of 73 (permalink) Old 12-02-2018, 09:42 PM
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Hmm, interesting.

Probably not an issue but, would the crop on the header have any effect on the pressure setting ?

Don't think so. Never saw a big difference And if you can set your height easy on your hotkey.
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post #17 of 73 (permalink) Old 12-02-2018, 09:46 PM Thread Starter
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I donít think so either but neither would the normal float optimizer.
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post #18 of 73 (permalink) Old 12-02-2018, 09:49 PM
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Just have to change gauge wheel setting (pins for different height)when going from short stubble to say canola.
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post #19 of 73 (permalink) Old 12-02-2018, 09:53 PM Thread Starter
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Just have to change gauge wheel setting (pins for different height)when going from short stubble to say canola.
Do you increase weight then?
Simple set or crank setting lower?
No spring adjustment change?
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post #20 of 73 (permalink) Old 12-02-2018, 10:05 PM
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Do you increase weight then?
Simple set or crank setting lower?
No spring adjustment change?

When i change from Cereals to canola i only put the gaugewheels a hole lower .the rest i set with weight or tableangle.

I NEVER touch springs on Adapter !!

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