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Farmall & IHC Tractors Discussion Forum
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Air Cleaner Oil Cup

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Chris Cairns

06-28-2005 05:06:17




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I have a Farmall H and I pulled the air cleaner oil cup off and noticed it was fairly low and had some water as well. When I tipped the cup a bit I noticed that water dripped out a hole in the cup. Is this hole suppose to be there? I think there was more than one. The cup is in good shape so and the holes look uniform so I figure they were suppose to be there.

I guess the reason I ask is if the holes are there to release water then what type of oil should I be using so it does not come out the holes as well?

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C Cairns

06-28-2005 14:00:19




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 Re: Air Cleaner Oil Cup in reply to Chris Cairns, 06-28-2005 05:06:17  
Yep... I think that's what I am dealing with. The hole just looked perfectly round so I assumed it couldn't have been corrosion.

The oil in the cup was so thick that only the water would drip out and this is why I began to wonder if it was another one of those neat little secrets that make working on them so interesting like how you check the oil level. :)



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williamf

06-28-2005 18:12:47




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 Re: Air Cleaner Oil Cup in reply to C Cairns, 06-28-2005 14:00:19  
Chris, the cup on my H had just such a hole. I cleaned it out well, even soap and water to get all the oil out, then dabbed JB weld on the inside. Hasn't leaked since.
Wm



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Haas

06-28-2005 12:59:32




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 Re: Air Cleaner Oil Cup in reply to Chris Cairns, 06-28-2005 05:06:17  
These cups get crud in the bottom and then a little water or moisture and you are set up for corrosion. Sometimes the pitting corrosion looks like someone drilled holes. I've had two A engines that had this problem. One was repaired by brazing, the other one with a cup from a salvage yard. If you get a used cup, make sure it has been cleaned up, as oil and grease can hide a hole. One of mine did not leak until I cleaned it up with a wire brush and degreaser. Mine had several holes in them before repair/replacement.

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Allan in NE

06-28-2005 05:18:35




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 Re: Air Cleaner Oil Cup in reply to Chris Cairns, 06-28-2005 05:06:17  
Chris,

No, there shouldn't be any holes in the oil cup. Also, doesn't matter a bit what kind of oil you use.

Allan



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Easy

06-28-2005 23:20:22




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 Re: Air Cleaner Oil Cup in reply to Allan in NE, 06-28-2005 05:18:35  
I have 2 Internationals, a Farmall H and a 300U. Both have oil cup air cleaners. I have the impression that you want to use #30 oil in them. Too light an oil would be drawn into the engine, and 2 heavy would not come up into the mesh. I use a straight #30. Am I being too fussy? Easy.



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Dick Davis

06-29-2005 05:01:24




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 Re: Air Cleaner Oil Cup in reply to Easy, 06-28-2005 23:20:22  
I'm with you easy, 30 wt as the book calls for. Some time past there was a good discussion on oil bath air cleaners and how good they were. The bottom line of all that was keep it clean, at the correct level, and oil weight to match the manufacturer's design. My nickel Dick Davis



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RustyFarmall

06-28-2005 05:26:11




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 Re: Air Cleaner Oil Cup in reply to Allan in NE, 06-28-2005 05:18:35  
Allan, there are holes in the internal cup, the small one in the center. Should not be any holes in the outside cup.



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Dave Brennan

06-29-2005 05:13:00




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 Re: Air Cleaner Oil Cup in reply to RustyFarmall, 06-28-2005 05:26:11  
I've saved a lot of old and hard to find cups with pin holes by coating the inside of them with gas tank sealer. This way if they pick up some water it won't be rusting the metal.



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