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TO-20 axel seal questions

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Dave Helms

08-19-2000 04:03:09




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I bought a basket case a short time ago, and while searching for a buildable short block I dissambled the whole tractor for regular service. I had a leak at the left axel seal and pressed the hub appart to replace the seal, and service the bearing. I only have TO-30 manuals, and they state the axel bearing gets packed with grease. Due to the fact the 20 has no inner axel seal as I am lead to believe the 30 does, is the bearing lubed by diff. oil only, or should the bearing be packed as on the 30?

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Colin Campbell

08-19-2000 07:20:59




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 Re: TO-20 axel seal questions in reply to Dave Helms, 08-19-2000 04:03:09  
Dave:
You are correct. The TO-20 outer bearing is lubricated by differential oil, and the seal is installed outboard of the bearing. I prelubed mine with gear oil before I installed the axle assembly so there would be some lubrication in the
bearing until the differential splashed oil up there. There is an aftermarket seal called a "sure seal" that installs inboard of the bearing, and requires the bearing to be grease-packed. I haven't used these, so I can't tell you much about them.

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Dave

08-20-2000 05:59:18




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 Re: Re: TO-20 axel seal questions in reply to Colin Campbell, 08-19-2000 07:20:59  
Thanks for the reply. For many years I raced an British built Triumph TR3 sports car, that by chance also used a "Standard" engine. The simularities between this tractor and that sports car are scary! The axel configuration is exactly the same, and I ended up fabricating inner axel seals on the race car so under hard cornering I could keep the rear brakes dry of gear lube. Not that I think the tractor will see these types of side loads, I think I might look into the inner seals that you mentioned. It appears there is a small amount of "staining" on the axel bearings from rust(years of sitting unused I suspect)that packing the bearings with grease may help eliminate on the new bearings. Taking off fluid filled tires to clean the brake shoes is a chore I would rather only do once in a great while!
If you would, please reply to my latest post on "suggestions" as I need advice from other 20 owners on a directions I should head as this is my first tractor project.
Thanks again,
Dave

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