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Re: 300 progress (a little)

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D Slater

01-28-2013 16:37:56

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Not to sure about things. Is that the replacement ring gear in the picture or the old one? Axle housings can stay on but the axles need moved part way out of the housings. At least past the bull gear splines. Then the bull gears need moved to let the differential bearing support housings come out each side. May have to remove the PTO to get the bull gear out. Never tried to move a bull gear with the pto in, so can't say for sure. Don't think so though. Leave the bull gears out of the way until the differential is shimed where you want. You can try to get by with just the right axle and bull gear moved. But if the other side ends up needing shims added or subtracted the left axle and bull gear will have to be moved. If you assemble the t/a unit and get a helper or some other support to hold it in the front transmission housing hole it will line the main shaft up okay. Putting the t/a and center housing on may be the best but if you need to add or subtract shims on the main shaft the t/a needs removed. Unless you cut the shims to remove or install. Some have done that. Since you have the original main shaft bearing, bearing housing and shims with the shaft. High % of the time it will be good in another housing. Good Luck.

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Zachary Hoyt

01-28-2013 19:37:52

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 Re: 300 progress (a little) in reply to D Slater, 01-28-2013 16:37:56  
Thank you very much. I had wondered about cutting shims but had thought that maybe that would be a sin. I have had both axle housings off to clean and I replaced one gasket that had been leaking. The ring gear is the one that you sent. I have had everything out of the case and cleaned it all out with kerosene and now have begun to put things back. I will post another picture tomorrow once I get the TA housing back on and check the gears. I am hoping that the ring and pinion will line up, but if not I can always take the housing off again. I found that putting the TA back together went a lot faster this time than the first time I did it.

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