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Re: A few questions about my Lot 4


 

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+1 for what Terry just said. ?Except, if it leaks a sleeve, like this one does, the existing contact surfaces can not be all that well fitted together - e.g. not very ¡°flat¡±. ?It leaks because it isn¡¯t ground or scraped to high level of ¡°flatness¡±. It has a bunch of high points on the machines surfaces that keep the two castings from fitting closely together. ?Also the bearing journals look like they don¡¯t have seals. ?You would have to scrape it in to better ¡®flatness¡¯ to stop it from leaking, without a gasket or sealant. ?

In lieu of that, Terry¡¯s thought to use aviation for a gasket might be a very good fix. ?You could also use copper infused automotive head gasket sealant. This works well also. Then maybe see if you could fit a modern day aftermarket bearing seals, somehow...

Cool machine you have there! ?Probably, we are all envious. I certainly am...

Glenn B.


On Feb 2, 2021, at 11:07 AM, flhd1340 via <flhd1340@...> wrote:

I have rebuilt many small sailboat transmissions ( ZF/Hurth) and they split like that and they use no gasket and there Bearing system is a Timken taper roller bearing with shims--- I make sure everything on case is flat and very clean ( Acetone or Lacquer Thinner) and I use Permatex Aviation Form-A-Gasket Sealant Liquid #80019 and have never had any leaks---I do not believe that casing had a gasket ---not saying it did not have one but kind of hard to think it did.
Terry

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