principle operation of oil bath

Some of us "seniors" my even remember the oil bath air cleaners on both cars and trucks. I had a 50 Chevy 2dr and 47 Chevy truck and both had an oil bath air cleaner.

One of the first things I check on a tractor is the oil bath. To me the condition of the oil in the cup is one indicator of the tractor"s maintenance.

One of the first things I do to a "just bought" tractor after getting it home is change the fluids.

The picture below shows what was in the oil bath cup of my 43B.

The oil bath cup was empty on my 46A.

There was not even a "film" of oil in the cup.

Somewhat along the same line, I put an old work sock over the air stack to keep the "mud/dirt dobbers/daubers" out. Also makes a good filter.

Also a lot of other good articles.

back in the day when a WD45 was the tractor to have we were having field days against other makes and the point was to prove how superior the WD45 was.

each tractor fuel tank was filled with X amount of gas and we plowed until tractor ran out of fuel.

The Allis most often had turned more ground but we cheated by filling the oil cup with gasoline and the carb was adjusted accordingly.

when the oil cup went empty you had to adjust the carb or give her a bit of chock because the carb was then too lean.

the red and green never got wise..... ..... .

'Bout time someone got this one right. :>)

Clean air by mis-direction. Further, they are a heck of a lot more efficent than people think.

When coupled with a precleaner, they can't be beat.

Allan

This explains the specs for using an oil in the filter of the same viscosity as what you're using in the engine for lube. Too thin, and the vacuum will draw filter oil into the combustion air, draining the filter oil and making for smoky or sooty exhaust and reducing the efficiency of the filter. Too thick, and you're starving the engine somewhat for air, and hindering the bathing of the mesh, reducing its effect as a final filter.