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Farmall & IHC Tractors Discussion Forum
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Freeing up Link Arms

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Jim Allen

12-05-2005 07:53:41




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The 3-Point hitch link arms (both) on my 826 are rusted solid. I've applied a judicious amount of heat, copious amounts of penetrating oil, moderate hammer whollups and a whole lot of very foul language. No Joy! I'm temped to try a lot more heat but would appreciate some advice.




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+El Toro

12-06-2005 10:01:43




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 Re: Freeing up Link Arms in reply to Jim Allen, 12-05-2005 07:53:41  
I would keep heating them. Once you get them free I would drill them with a number 3 tap drill
and use a 1/4-28 tap to install threads. Then install 1/4-28 grease fittings and keep them grease. That No3 tap drill measures .213" in diameter. Hal



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the tractor vet

12-05-2005 10:02:33




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 Re: Freeing up Link Arms in reply to Jim Allen, 12-05-2005 07:53:41  
all depends on if it is the skinny ones or the fat ones as i call them , if it is stuck that bad this is what will usualy happen after ya get it all loosened up it will strip out in time . First off you are probably not getting the heat where ya need it and then ya need a BIG pipe wrench also if you do get it loosened up grease the he double ooooo out of it . DON't spare the hear if ya got a rosebud tip use it.

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Allan in NE

12-05-2005 09:24:36




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 Re: Freeing up Link Arms in reply to Jim Allen, 12-05-2005 07:53:41  
Jim,

Are you talking about the length extenders or the height adjustment links?

If it is the extenders that you are fighting, hook another tractor to 'em with a log chain and bump 'em with the clutch; they'll come right outta there. Works every time.

Boy, I don't like puttin' heat to anything.

Allan



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IaGary

12-05-2005 15:03:50




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 Re: Freeing up Link Arms in reply to Allan in NE, 12-05-2005 09:24:36  
I've said this before on here,but if you heat them cool before trying to turn them. This breaks the rust loose and keeps from gaulding the treads. I heated these many times in welding shop and no later problems that I know of.



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Jim Allen

12-05-2005 09:33:18




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 Re: Freeing up Link Arms in reply to Allan in NE, 12-05-2005 09:24:36  
It's the ehight adjusters. Been fighting with 'em for six months. I don't like heat either, but I'll do it if nobody else has any better ideas.



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Allan in NE

12-05-2005 09:48:47




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 Re: Freeing up Link Arms in reply to Jim Allen, 12-05-2005 09:33:18  
Jim,

The only set of those that I've ever had to loosen came with using Liquid Wrench overnight and a 3' pipewrench with a cheater placed just above the threads on that upper/inner shaft.

It will leave teeth marks, but whadda gonna do?

Allan



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Jim Allen

12-05-2005 10:04:39




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 Re: Freeing up Link Arms in reply to Allan in NE, 12-05-2005 09:48:47  
Tried a version of that early on with no joy. I don't think those things have been moved in 30 years!



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El Toro

12-05-2005 07:57:26




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 Re: Freeing up Link Arms in reply to Jim Allen, 12-05-2005 07:53:41  
Have you tried using Kroil? Here's a toll free
number where it can be purchased. 1-800311-3374
Hal



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