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Farmall & IHC Tractors Discussion Forum
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Oil seals on farmall h

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PurdueAg

08-03-2005 14:21:59




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I need to replace the oil seals on an h (countershaft and transmission drive). I am not sure if anyone can help me via a discussion forum as it might be hard to explain in writing, but I thought I"d give it a try. I don"t know anyone around here who can help me. I did an archive search and couldn"t find any specifics, just that it could be done through the belly plate, that it was relatively simple but requires some grunt work and a buddy.

I don"t have a lift-all pump, so there"s nothing in the way. I don"t know what the oil seals even look like or what they are made of. The diagrams in the IT manual are far too small and undetailed to see. Are the seals "felt"or gasket material, or cork? Do they come with a gasket kit, or do I have to order them special from Case-IH. If so, does anyone know the part numbers?

Any directions on how to go about this would be *greatly* appreciated.

With kind regards,

Tony

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Michael Soldan

08-03-2005 15:02:06




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 Re: Oil seals on farmall h in reply to PurdueAg, 08-03-2005 14:21:59  
Perdue Ag, the new oil seal will be a neoprene material much narrower than the original seal but they work well. Once you have the belly pan off you need to remove the three drive shaft bolts and , likewise at the opposite end remove the shaft, then you can get a wrench( smallpipe wrench or channel locks) on the flange of the seal and loosen it off and remove it,the seal should come out with a seal puller, some guys put a couple of metal screws into the seal casing and then pull it out with a plier. Be careful not to disturb anything behind the seal, be patient and with pliers, small screwdriver, picking chisel, you will get the seal out. The new seal will gently tap in with a small block of wood or a seal driver if you have one. Do both the drive shaft seal and the seal for the liftall even if you don't have a liftall...then both seals are new and you don't have to mess with it again...good luck give me a ping if you need more help...Mike in Exeter Ontario

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PurdueAg

08-04-2005 06:37:01




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 Re: Oil seals on farmall h in reply to Michael Soldan, 08-03-2005 15:02:06  
Mike,

I started working on the countershaft seal. When I took off the bolts on the bearing retainer, I noticed that it was cracked in 3 places (the three flanges where the bolts insert). So now I am going to have to find a replacement for that. Anyway, I got the bearing retainer free, but now I am guessing I need to remove the countershaft nut, which is circular with a large notch on the end. How do I go about that? Is it threaded? If so, is it standard or reverse threading?

Thanks for the help.

Tony

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SGT K

08-03-2005 19:54:51




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 Re: Oil seals on farmall h in reply to Michael Soldan, 08-03-2005 15:02:06  
One thing I remember (I think) is that the three drive shaft bolts are threaded into the flange, plus they have a nut on them. Mine were really tight. I also had to do some wiggling and grunting to get the drive shaft out. I changed both these seals from the bottom, and if I can do it without tearing something up or visiting the emergency room, I"m sure you will have no problem.
Good luck,
Paul

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PurdueAg

08-04-2005 06:40:39




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 Re: Oil seals on farmall h in reply to SGT K, 08-03-2005 19:54:51  
Thanks Paul. After checking the look of things on that drive shaft seal, I can see what you mean. I already have a big permanent scar on my wrist from a couple months ago where I had a wrench slip and sliced me pretty good when I was trying to get a main bearing cap off my C. Luckily no artery was hit...



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