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Harry Ferguson Tractors Discussion Forum
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TO 20 Rear Axle Seals

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scmms

11-11-2007 13:33:45




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We are attempting replace the rear axle seals on a TO 20. We have the axles removed from axle housing. My question is can the seals be replaced by pressing the steel collar off or does have to be split according to the I&T Shop manual. Can the old bearing and collar, be reused and, be pressed back on without applying heat.
Thank you,




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scmms

11-16-2007 20:52:06




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
I appreciate all the feedback but we were past the point of the Sure Seals as we had already started the collar removal process (incorrectly, I am afraid, until we followed book and postings directions). We have split the collar and pressed the bearing off. We are now waiting on the parts to arrive. We decided we did not want to go back down this path anytime soon so we are replacing seals - bearings - races - collars. I am happy to see that someone else posted that a great deal of pressure was required to press bearing off as I was wondering if we were doing something incorrectly. Thank all of you again and I feel sure I will be asking for more answers and advice in the future.

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covert42

11-14-2007 17:44:39




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
The rear wheel bearings receive oil as the lub that is slung into the bearing housing this is the only downfall I see to sureseals.



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Crem

11-13-2007 19:38:29




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
I drilled and split the ring on mine, pressed the bearing off and then re-used the old bearing. I did it with my own press, but it sure took a lot of pressure to remove the bearings. The new seals do not leak at all.



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gshadel

11-13-2007 06:42:36




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
You will need to drill & break the old collar & re-install a new collar as the manual describes. Yes, you can re-use the bearing. The TO-20 is a good candidate for sure seals, and saves all that press work & collar removal. Sure seals cost maybe ~$25- $30 for the set and are easy to install. The TO-30 can't use sure seals due to the additional outer seal in the axle.

George



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Jim Gorter

11-12-2007 18:31:24




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
I have a TO30 with very leaky seals. I was told that the sure seals would not fit a TO30. Is this true? Jim.



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Irv (Ia)

11-12-2007 03:46:55




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
I would recommend using Sure Seals on your 20. They seal the lube from the rear end away from the axle bearings. You pack them in grease like you would on a wagon. The to-30 went to that style because of rear end oil getting in the brakes. Go to the archives and type in "sure seals". There is a good article there complete with pictures. Good luck,
Irv



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Holz Equipment Service

11-11-2007 15:49:40




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 Re: TO 20 Rear Axle Seals in reply to scmms, 11-11-2007 13:33:45  
If you try to press the collar off there is a good chance you will break the bearing retainer. Drill a 1/4" hole through the collar & split the collar, the bearing & retainer can then be driven off. After the outer seal is replaced if the bearing is still in good shape it can be used again & driven back onto the shaft. When the collar is heated to the proper temp. it will fall in place on the shaft. Allow it to cool slowly, & it will shrink to fit the shaft.

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