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Ford Tractors Discussion Forum
Show Parts for Model:

Re: Ford 641 hyrdaulic pump problem

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Author  [Modern View]
Hal/ Eastern WA

07-08-2013 13:49:49
97.115.186.183



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That is probably a good idea, and I might try it if my homemade gasket also fails. When I made the new gasket, I left more "meat" in the areas where the commercial gaskets would fail. The polycarbonate SHOULD be a lot stronger than the paper gasket it replaces.

So far it seems to be working fine. If the polycarbonate gasket fails, I might try making one out of soft copper sheet.

I have wondered why the gaskets kept failing. Maybe there has been erosion in that spot on the pump body, although I could not see or feel anything that worried me. Some years ago, I replaced the hydraulic relief valve with one from the aftermarket. I am wondering if that valve has stuck and the system is getting over pressurized. Then next time I drain my hydraulic oil I think I will put the original relief valve back in, assuming I can find it. When I changed the relief valve, it did not change the symptoms I was trying to fix.

Thanks for your input!

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