In plowing, if you hit a front hole, the plow will lift and you won't have the depth of cut wanted. The 3pt arms lever (position control) and draft lever are interrelated and you have to fiddle with both until you get what you want. And the reverse hit a hump with the front wheels and the draft control tells the rear arms to lessen resistance and keep the same amount as before hitting the hump. So when the front wheels hit a hole, the draft control tells the linkage and the rear arms and blade will then keep the same amount of resistance as though the front wheels were on flat ground. All it does is cause the """"rear linkage to not float""" but instead operate with a degree of resistance and you choose that amount with the levers. Since rear linkage just naturally "floats", without the use of draft control, what happens is you add holes and humps and make a grading task worse. Also the reverse when the front wheels hit a ridge and the rear blade will dig into the ground. For example, if you had a grader blade on the back and drove though a tilled farm field, when the front wheels dipped into a hole, the rear blade would raise and dump a pile of dirt. "Draft control" merely causes the three point arms to maintain a constant amount of resistance, or "draft" as farm people call it. It's easy but there is a lot of confusion because the instructions are often poorly written. Here's what draft control on a tractor is, what it does and why it does it. All of this because of Harry's innovation and development of draft control. That caused the growth of Ferguson tractors, the eventual origin of Massey- Ferguson and then on to Agco. For extra credit, look up Harry Ferguson and the so-called 3 pt and draft control "Handshake Agreement" with Henry Ford that went south. With the use of draft control, kiss that issue goodbye. We now know that's likely because the front wheels hit a small rise and caused the cultivators to sink in. You might be just cultivating along and suddenly bog down and nearly stall the tractor. Another practical example is using cultivators. I need lighter draft control for this while plowing or cultivating would take more draft control. Through repeated passes, I can leave a graded area so smooth and flat that strangers stop and take pictures.
For me, I use draft control mostly with an 8' rock rake and sometimes a blade.
DRAFT CONTROL ON NEW HOLLAND TC5520 HOW TO
You could read 50 pages on how to ride a bike or instead learn by falling off twice. Plowing would be more, meaning more draft control needed. And the reverse if you hit a hump and get a too-deep cut. All it does is cause the rear linkage to not float but instead operate with a degree of resistance and you choose that amount with the levers.
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