I did some testing on the draft control spring the other day

Jason S.

Well-known Member
John(uk) has told us many times over how important the draft control spring adjustment is for the lift to work properly. I was installing the bracket for my Dearborn mower below the top link rocker and I thought I would check my adjustment. I adjusted it last summer but I thought I would check it again. I stood on the lift arms and although I"m not a 2 bottom plow I"m still 225 pounds so there was weight on the arms. I now know why Ferguson used such a fine thread on the plunger. All within a few turns of the yoke it would either not lift at all, work properly, or the lift arms would stay up and wouldn"t lower. I had always believed John(uk) on how important it was but I never would have thought that just a few turns of the yoke would change the lift that much. So if anybody hasn"t adjusted their draft spring I would highly recommend it, just remember if the yoke is stuck to heat it cherry red first before trying to turn it.
 
And how or where did you attach the top link to yourself? I am not just being smart, but.... no matter if you are the exact same weight as the 2 furrow plough you still need to have a pull on the top link connection to set the top link spring correctly. You are correct about the fine thread and how fine a setting the spring has.
Sam
 
Yes I understand the top link needs to be there to set it correctly. I was just doing it to see how sensitive it was. When I set mine I used my two bottom Massey plow. I have noticed though that a lot of Ford N guys say that the draft spring setting isn't important and I don't see how theirs could be any less important than a Fergusons. Not trying to start a war over brands but I have noticed that.
 

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