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Farmall & IHC Tractors Discussion Forum
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Doing away with Oil Bath System

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Steve Weathers

01-18-2007 14:22:11




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Like to still have orginal look but switch over to some kind of dry filter inside my oil bath canister.If possible Any ideas??The hose from top of head to the canister is that a vaccuum line or a drain?

steve




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J.J. from Afton

01-18-2007 20:53:49




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
Last year in school our instructor Ed was talking to us about air filters and the oil vs. dry. He said the oil was better in just about all ways but one. Which was that the oil bath system was only completely effective to a certain speed in engine rpms. So once they started building bigger, faster turning engines the oil bath cleaner was not as effective as a dry air filter.
My $.02.



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randy hall

01-18-2007 18:35:04




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
the best reason for longer lasting engines was the switch to dry air cleaners. i read this in a i. t. yearbook a long time ago in an article written by ag engineers. if the oil bath was better they would still be standard equipment. just like if magnetos were better they would have kept using them on spark ignition engines. this will ruffle a lot of feathers but guys i'm afraid that it's the truth. hey if two cylinders were truly better john deere would still be building them. that's progress.

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JayWalt

01-18-2007 15:30:49




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
The oil bath system is the best filtration system for dusty environments (in a continuaing runtime situation, the dry just simply cloggs up to fast). Pulling is a dusty environment, albeit for a short duration. I dont know how effective the oil bath system will be when ur front tires are in the air... should still work fine. One of the keys to the oil bath system is proper maintenance.
I dont think you will find ANY satisfactory dry filter that will fit into such a small cannister. The more flow the better, and a dry filter proper for that size engine is just going to be larger. Think about the surface area of the dry filters. The oil bath has a tube about 2" in diameter that goes into the oil bath. Now imagine this 2" diameter with a dry filter. There is not going to be much airflow.
If you are going to use a dry filter, it will be visible, thats all there is to it.

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Steve Weathers

01-18-2007 15:51:29




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 Re: Doing away with Oil Bath System in reply to JayWalt, 01-18-2007 15:30:49  
Thank you Jay You must be a salesman you convinced me.It would be hard to get that air flow through a paper filter.Whats your input on stock muffler or straight pipe



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JayWalt

01-18-2007 16:33:48




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 15:51:29  
WOW! I feel like a contributing member now!! =)
as for the stock or straight, if you look most all tractor mufflers are a flow through design muffler. They are essentially just a pipe with a noise bafflearound the pipe. I think either way is fine, just dont run open header, as I've heard its not good on the valves. The flow through muffler also offers no more backpressure then a straightpipe.

If you want it LOUD, go straightpipe!!

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Steve Weathers

01-18-2007 15:13:58




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
Getting in to pullen alot of people is doing this around my area.But most everyone is putting a filter out the side of carb or putting a filter on top of hood.



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Allan In NE

01-18-2007 15:32:46




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 15:13:58  
Figures



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Janicholson

01-18-2007 14:52:17




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
Rusty Farmall is very much on target asking you why. The primary reason these tractors are still in existance is that with clean air, they last. An oilbath aircleaner is, in my experience, the finest filtraion system for these units. Everything other than this unit will require more maintance, or work less effectively, Don't do it. JimN



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RustyFarmall

01-18-2007 14:30:54




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 Re: Doing away with Oil Bath System in reply to Steve Weathers, 01-18-2007 14:22:11  
The line from the head to the canister is part of the crankcase ventilation system. Why do you want to do away with the oil bath?



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Dr.EVIL

01-19-2007 12:38:41




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 Re: Doing away with Oil Bath System in reply to RustyFarmall, 01-18-2007 14:30:54  
I think Randy's post about pretty much decribes why He and I want to replace those ineffective oil bath air cleaners with dry pleated paper elements. I've searched & searched DONALDSON's website and NO WHERE do they list an efficency rating for an oil bath air cleaner with a pleated paper dry filter but a properly sized paper element has 99.7 to 99.9% efficency. The last numbers I saw on a oil bath cleaner in an International Tuneup handbook from the early 1960's said oil bath cleaners were 90-92% effective. Improved oil AND air filtering is why new tractors last 10,000 plus hours between rebuilds and 30-40 yrs ago the norm was 2000-4000 hrs. If I was still using My FARMALL's to pull a 24 ft peg-tooth harrow or a 12 ft disc stirring up dust clouds so thick You could almost walk on them I'd want a large capacity filter.....but for the few hours of pushing snow in winter and loader work I do in the summer replacing a dry filter element is no problem. Plus oil bath filters can't handle the suction of a turbocharged engine....They use so much air they pull the oil right out of the filter.

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