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Belarus 310 jump out of gear

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paparay
Join Date: Sep 2008
Posts: 3 Northport Alabama
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2008-09-19          156793


I have owned a Belarus 310 for about 10 years now, and other than the stupid things I did to break something, it has been a workhorse for me. However it has developed a habit of jumping out of gear under a load. The adjustment that is on the side of the gear box has not ever been able to adjust the problem out. I can run the adjusting arm all the way out and make it stay in gear, but then I can't shift to a higher gear when I want to. Turing the eyebolt end back the other way results in the same problem. Anyone have any input as to how to fix this?



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Belarus 310 jump out of gear

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greg_g
Join Date: Jan 2004
Posts: 1816 Western Kentucky
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2008-09-20          156800


I went through an issue similar to this with my Yanmar several years ago. It was built in the late 70s. There was one (maybe two) gear selections that would pop the shifter into neutral under load (usually uphill). Maybe it was the range select lever, my recollection is fuzzy. anyway, until I could get the covers off, I worked around the issue with a bungee cord (holding the problem lever in place).

The problem turned out to be age, pure and simple. Over the years, the edges of the gear teeth wore off, bearings and bushings started to get loose, shafts were worn, and the most used gears would simply slip off each other under load. The quick fix was to replace worn gears/bearings/bushings/shafts, but that would just lead to others doing the same thing over time (transfer of torque to weaker components). A more permanent - and necessarily more expensive - solution was to rebuild/replace the tranny.

So I just stayed with the bungee cord workaround till I eventually sold the tractor (and told the buyer of course).

//greg// ....


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