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ronstapleton

Transmission Oil Seals

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ronstapleton
I have a Simplicity Landlord tractor Model 990314 with leaking axle oil seals. Can the transmission/axle oil seals be changed without splitting the transmission case and removing the axle? I think the oil seals are pressed in from the outside of the transmission case, but can the new seals be slipped over the axle then be seated? Thanks, Ron

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RayS
You can replace them without splitting the case. I would file off any burrs around the keyways. I have also read that you can or should wrap the axle tube with saran wrap to keep from damaging the seal.

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Al
Hi, Take an awl or pointed punch and poke 2 to 4 equally spaced holes in the side and then use a slide hammer sequentially to pull them out. You can buy a small slide hammer at auto part stores that has a capped nut with a hole in it for a sheet metal screw to go through. These are used in body shops to pull creases out. A series of hole is drilled and the nut screwed in and then on the hammer and then on to the next and then repeat the cycle pulling a little at a time. If you use an awl and poke the hole in the "roll" in the hole provides a better grip for the screw. You may want to run a screw in to start a thread and then grind the point off one and run it in. This will allow better thread engagement. If you are blessed with a recess in the casting, or a completely caged needle bearing behind your holes, you may be able to just turn the screws in and "push" the seals out. Good luck, Al Eden

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PhanDad
Here's a post with some detail about removing seals: http://www.simpletractors.com/club2/topic.asp?TOPIC_ID=67573 There's another post showing the same thing being done on a tranny, but I can't find it.

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ronstapleton
Thanks for the help. I changed both oil seals today in about 2 hours. I think I can do it in 30-45 minutes the next time. I used the method of drilling a small hole in the oil seal and inserted a sheet metal screw to back out the old seal. Worked great. Ron

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