Posted by Texasmark1 on May 30, 2018 at 04:05:50 from (184.20.226.158):
In Reply to: Bush Hog gear box posted by TBA on May 29, 2018 at 18:53:00:
Unless an oil sump is hermetically, sealed, the higher the differential temperature and humidity, the more the opportunity for water entrapment possibility....
Don't know the technical term, but on ingestion, as the box cools, it brings in the moisture as air + water at some percentage. When the box warms up, internal air expands, and vents, a lot of the air will vent before you get to the boiling point of the water.....a temp high enough to cause the water to vaporize and exit with the air.
Solution is to drain periodically, or run hard for a time to get rid of it. On not venting, and worn seal on a closed box, below the level of the oil usually will leak oil. So you're zapped regardless of which way you go.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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