Re: Re: Air filter

Posted by Dr.EVIL on February 10, 2004 at 07:21:51 from (12.4.181.2):

In Reply to: Re: Air filter posted by Dave_Id on February 09, 2004 at 17:36:54:

Dave - Actually the oil was supposed to be sucked up into the steel mesh in operation and the air was supposed to leave the dirt on the mesh as it passed thru. As the oil drained back into the cup the dirt was supposed to drain back with the oil. But since a percentage of the oil never drained back some of the dirt remained on the mesh. While running at steep angles it's totally possible that unfiltered air could be drawn thru the oil bath filter. And in some oil bath air filters I've seen You can pretty well see right thru the steel mesh it's so coarse.
I have an IHC service pamphlet at home that states oil bath air filters are only about 90% effective at removing dirt, while dry pleated paper filters are 99+%. Oil bath filters don't work well with turbochargers either, the oil tends to get sucked right thru them. The fact that tractor engines now run 10,000 hours or more between rebuilds and 30-40 yrs ago You were lucky to get 3000-4000 hours proves todays oils & filters are much better.
It is possible to have "New, Improved, Easier to Use, and Cheaper" in some things

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