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Harry Ferguson Tractors Discussion Forum
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Re: Ferguson System

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Jason S.

03-15-2013 16:39:55

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So what your saying is you need to adjust the draft control plunger to take up the slack in the spring? With excessive clearance the lift will still work but the automatic draft control won"t work properly. With an implement such as a 2 bottom plow raised there should be .020 clearance between the spring and the plunger. More than likely you will have to heat the plunger cherry red to get it turn. They have been on there too many years without being adjusted or greased and it is probably rusted up tight. If it seems like it will not turn do not force it. You can bend the fork and do other damage. Heat and rust penetrant will be your friend on this job.

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Mike Darlington

03-15-2013 18:47:11

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 Re: Ferguson System in reply to Jason S., 03-15-2013 16:39:55  
It is missing the spring and hardware between the yoke and plunger. The only thing connecting the yoke at the rocker and the plunger is air. I hope to get a pic tomorrow. There is a block for added weight to push snow, hopefully I will be able to remove it and take a decent pic. Thanks for your time answering my questions.

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Mike Darlington

03-15-2013 19:32:54

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 Re: Ferguson System in reply to Mike Darlington, 03-15-2013 18:47:11  

I have included a pic from the Operators Manual. I hope this will clear up my question. I am missing everything between the yoke and plunger. There is no spring, no spacer, nothing there. Just a few remnants of what used to be. As a result the Ferguson System is not functional. Is it safe to use our recently purchased single bottom plow and a disc. Not at the same time, I know that much, J/K. Thoughts?

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Jason S.

03-15-2013 22:25:06

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 Re: Ferguson System in reply to Mike Darlington, 03-15-2013 19:32:54  
You won"t be able to use it like it is currently because every time the plow hit encountered any resistance it would transfer the energy thru the top link to the yoke and draft spring and it would cause the plow to lift which is what it is supposed to do.Since you don"t have the spring the plow would constantly be trying to lift out of the ground because the spring isn"t there to add resistance to the top link forces. If you tried hooking it below the yoke or any other way the tractor will just try to flip over backwards. I wouldn"t try to use it until I got all the pieces installed back on it. Luckily those pieces are quite easy to get.

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