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Farmall & IHC Tractors Discussion Forum
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Head bolt/stud removal

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IndianaRed

07-11-2006 10:31:42




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Been trying for three weeks to get exhaust side studs out, but they are one with the block now. Everyday I've added liquid wrench, WD, Marvels, tapped on them, but nothing. Already twisted one off, so don't want to make anymore work for myself than I have. Any tips would be appreciated.




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JMS/MN

07-11-2006 17:24:24




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 Re: Head bolt/stud removal in reply to IndianaRed, 07-11-2006 10:31:42  
Bolts twisted off in cast? Oxy-acet torch, heat the cast, not the bolt. Bolt heats too quickly- cast is a heat sink, heat that. Apply candle wax as it cools- flows between the threads. Weld a nut onto the bolt, turn it out.



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chip man

07-11-2006 12:08:59




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 Re: Head bolt/stud removal in reply to IndianaRed, 07-11-2006 10:31:42  
I would definatly try heat first. It is really difficult to say how much though.



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Michael Sheik

07-11-2006 11:37:33




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 Re: Head bolt/stud removal in reply to IndianaRed, 07-11-2006 10:31:42  
I have had much success with using an impact on it after the nut is welded on. Be very careful to to lightly jar the stud with the impact and do not just start hammering away!



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scotc

07-12-2006 15:39:45




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 Re: Head bolt/stud removal in reply to Michael Sheik, 07-11-2006 11:37:33  
It wouldn't hurt to let the weld cool a couple minutes either. And if heating around the stud go SLOW and use a SMALL flame don't crank up the torch like you're cutting 1/4 inch plate like my dad did on the cummins in his td8 dozer....



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RustyFarmall

07-11-2006 10:36:37




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 Re: Head bolt/stud removal in reply to IndianaRed, 07-11-2006 10:31:42  
Weld a nut to the one that is broken and it should come out. Apply generous amounts of heat to the area around the rest of them, apply some oil to the hot studs, allow them to cool and then make another attempt to remove them. Might need to apply heat and allow to cool more than once.



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IndianaRed

07-11-2006 12:44:40




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 Re: Head bolt/stud removal in reply to RustyFarmall, 07-11-2006 10:36:37  
Thanks Guys



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muggsw6

07-11-2006 11:27:32




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 Re: Head bolt/stud removal in reply to RustyFarmall, 07-11-2006 10:36:37  
The nut welded on usually works good, partially because of the heat you are forcing into it. If you break the welded nut off a time or two, and lose the nerve to try again, grind outside of broken stud flush, and center punch carefully, and start drilling out a little at a time, making sure you are drilling squarely. If you have access to left handed drill bits, they are a good thing. I have never had a whole lot of luck with conventional easy-outs, once they break off in the hole, they can be a ba%$ard to remove. HTH
Mark

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Roger46

07-11-2006 17:32:36




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 Re: Head bolt/stud removal in reply to muggsw6, 07-11-2006 11:27:32  
I have only been successful with an EZ out (nothing easy about it) if the bolt broke off because it sheared off from too big a load. If the bolt twists off because the threads are rusted bad, no EZ out will take that bolt out without heat of some kind.



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RustyFarmall

07-11-2006 11:34:48




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 Re: Head bolt/stud removal in reply to muggsw6, 07-11-2006 11:27:32  
I've seen those E-Z-outs screw things up so often that when somebody gave me some a few years ago I promptly threw them in the scrap iron bucket. Figgered that's where they would end up anyhow, along with the good part that I was trying to save.



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