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Tractor Talk Discussion Forum

Re: Three point linkage

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Author  [Modern View]

06-30-2013 05:10:52

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If it's the same as my UTB 445 (which is a Fiat 450 I believe) then you probably need to grind off the head of the top link pin at 30-45 degrees to be able to insert it. The "back plate", by which I assume you mean the mounting for the top link, is a hinged plate restrained by a large bent leaf spring on the left side. It is this leaf spring that prevents pushing a conventional pin into the top link mounting holes (there are 4 alternative sets of holes on mine). The reason for the hinged mount is to provide feedback for the draft control mechanism (Google Harry ferguson & draft control for a description & explanation).

Just grind the heel end of the standard toplink pin just enough so it can be inserted _ I think I knocked about 1/4" off mine.


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06-30-2013 18:44:31

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 Re: Three point linkage in reply to Pycoed, 06-30-2013 05:10:52  
Without question that makes perfect sense. Now when I look back at this mechanism I can see how the Ferguson System Principal works. I read the article.
What it basically means I have the wrong pin. But as you have indicated by modifying pin it will slide into hole.

It's been bugging me for a while. Nothing like thinking outside the box.

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