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What do I use to take this out?

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TKN

12-05-2005 15:11:05




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I recently removed the pan under the final drive gear on my B Farmall. I cleaned out the old oil, cleaned off the old gasket and put on a new one. Now I am ready to re-fill with oil and I have a dilemma.

The plug on the side of the final drive housing has the square indention in it that you would normally stick your ratchet in and remove it. The problem is a 1/2" is too small and a 3/4" is too big.

What size is this? Is there a 5/8" or 9/16" ratchet size?

What do you use to get this out?

Thanks for suggestions.
TKN

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Hayfarmer

12-05-2005 18:49:16




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
So question is why was a plug with this size hole used instead of 1/2 or 3/8? In the modern era manufacturers have come up will all kinds of heads on bolts and screws so you can't take them out with a normal screwdriver and have to take it to a dealer. But why would IH have done this back in the simpler days?



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gene bender

12-05-2005 18:01:10




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
Just get a piece of key stock.



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Dave NE IA

12-05-2005 17:59:50




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
Do you have any square headed bolts, just buff it down with a bench grinder, and drive it in / vise grip it----you can get them many times with a very sharp chisel at a 45 degree angle --beat counter clockwise around the outside. Dave NE IA



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Dave Bn

12-05-2005 17:53:34




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
It's 9/16ths or so if I remember right. I had my brother, who works in a macine shop, make a tool for me. He machined a square end on a cap screw(allen head). It works good as it's real hard and an allen wrench gives quite a bit of flexability in reach and position of handle. DON'T use a 1/2" ratchet or breaker bar! It will mar the head of the plug and you will see it forever. Several other plugs on your tractor are this same size. Make a good tool before you cause any damage and you'll always be happy you did. Dave.

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Ron in Nebr

12-05-2005 17:16:25




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
The other suggestions are the best route of course, but if ya want the true "farmer way" to get that out...or if you're 40+ miles from noplace like I am and NEED to get it out NOW, go find a big bolt, 1" or so, and cut it off with your hacksaw so it's about 2" long under the bolt head. Then go to work on it with your bench grinder and grind it square until you can just lightly tap it into the plug with a hammer(the tapping will help loosen the plug, by the way). Then you can use this "tool" to take the plug out.

If ya want to get really fancy, you can even heat the "tool" up cherry red with your torch then quench it in old oil to "harden" it...then, most important of all...try to put it someplace where you can find it the next time ya need it....if you're like me, that's the toughest part right there!

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red state

12-05-2005 16:14:29




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
Measure the square, I believe it may be 5/8 not sure, then go to your local welding shop and ask them for an 18 inch or so piece of COLD rolled solid square stock, have them bend a 90 degree in about 2 or so inches. Use cold rolled vs hot rolled because of the hardness, Then you have a tool for that odd size plug. I had this done a couple years ago, i think it cost me about 6$. Hope this helps

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Hugh MacKay

12-05-2005 16:11:35




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
TKN: 1/2" drive works on my SA, 130 and 140. Maybe the square opening is damaged. Why not try to find square key stock that will fit snug and turn it with a pipe wrench or adjustable.



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the tractor vet

12-05-2005 15:26:36




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
MAC and Snap On both make square headed drain plug sockets sorta a must have in the tool box when working on old tractors as these sockets fit the plugs better and do not round out the holes like i have seen happen because someone did not have the correct tool for the job .



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Red Dave

12-05-2005 15:17:54




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 Re: What do I use to take this out? in reply to TKN, 12-05-2005 15:11:05  
I've always used a 1/2" drive on them. It's a sloppy fit, but it has always worked.



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