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Rebuilding quandry

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Bus Driver
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Rebuilding quandry

Postby Bus Driver » Sun Feb 12, 2006 4:30 pm

I bought one of the late model LoBoys- really sad shape. It runs, not well. The transmission is terribly noisy. Someone else posted about a noisy transmission today. My usual practice is to get the fuel system and the electrical system in top shape first, then evaluate the mechanical condition of the engine while it is running. One of my Cubs barely ran when I bought it, but after the fuel and electrical rebuild, it is the best running Cub I have ever driven. That is not to say that it is necessarily the best running Cub ever. But I fear that running the engine on the LoBoy now might do additional damage the transmisson. Since I am personally committed to rebuilding this tractor, I probably will start with all the parts rearward of the engine, rebuild them first, then determine if engine rebuild is needed. But that would mean removing the engine, repairing the drivetrain as necessary and reinstalling the engine with the possibility of having to remove it again for rebuilding. Once on a 1952 Chevy, still in the 1950's, I kept driving after the transmission started making a noise. The transmission was totally destroyed within 2 miles. So I take transmission noise seriously. Do you have a sequence of repair to suggest?
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Jim Becker
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Postby Jim Becker » Sun Feb 12, 2006 5:52 pm

I'd start by taking the cover off the transmission and giving it a look over. Just from the top you should get a fair idea of what it will require, and if running it a little is likely to do serious damage. Remember that all that turns in neutral is the top shaft. Runing the engine without driving it around is unlikely to bother anything except the top shaft bearings.

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Speed

Postby allenlook » Sun Feb 12, 2006 7:08 pm

The tranny on your Cub is turning a lot slower than the tranny on your car was. Although it's not impossible to do it further damage, I don't think the chances are as high as they were on your car.
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bald
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Postby bald » Sun Feb 12, 2006 8:50 pm

Bus Driver, If you're absolutely sure you going to have to split the tractor, it would make sense to do a compression check on the motor and drop the pan to check out the bottom end. That way you should know whether you need to do significant motor work and could do it when you've already splitting the tractor apart...just an idea.
bald, Southeast Georgia
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Ralph
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Postby Ralph » Sun Feb 12, 2006 9:08 pm

Bus driver
you said it was a late model lo-boy is it a numbered
like a 154 185 or 184
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DuxburyFarmall
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Postby DuxburyFarmall » Mon Feb 13, 2006 9:30 am

Bus Driver,

Welcome to the greatest forum on the Web.

Chad
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Postby Buzzard Wing » Mon Feb 13, 2006 10:08 am

All of the above is excellent advise.... try a SEARCH on transmission and you will find a lot of your answers there too.
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