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Ford Tractors Discussion Forum

Leaking PTO seal

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Author  [Modern View]

10-25-2015 04:57:22

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I have a 1992 Ford 7710 series 2 that is leaking around the PTO shaft. Is there a seal that can be replaced fairly easily

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10-25-2015 13:21:15

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 Re: Leaking PTO seal in reply to SLF, 10-25-2015 04:57:22  

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10-25-2015 11:35:44

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 Re: Leaking PTO seal in reply to SLF, 10-25-2015 04:57:22  
Depends.... there is an o-ring inside the retainer that rides against the stub shaft. That is easily replaced. There is also a lip seal in behind the bearing retainer that may also be leaking... and that requires removing the 4 bolt housing/retainer. That can get more exciting IF the reduction gears drop. Best I recall... you pull the shaft then stick a broom handle or something similar in there to hold the gears up while you pull the retainer out and change the seal.
Just inspect it closely before you dig into it and see where it's actually leaking. Most times it will be the shaft o-ring.


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10-25-2015 10:17:41

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 Re: Leaking PTO seal in reply to SLF, 10-25-2015 04:57:22  
Thanks for your reply will check it out

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10-25-2015 09:26:19

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 Re: Leaking PTO seal in reply to SLF, 10-25-2015 04:57:22  
Here's a link to the parts manual from CNH that shows the PTO shaft. It looks like the seal can be replaced easily. Look for part number 77.


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