water in hydraulic oil

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jsal
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water in hydraulic oil

Post by jsal » Fri Jun 22, 2018 3:28 am

any one know of away to remove water from transmission oil besides changing it many times ?

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Lavoy
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Re: water in hydraulic oil

Post by Lavoy » Fri Jun 22, 2018 4:15 pm

I have read that Seafoam is good for removing moisture in hyd oil. I just used it on a customers engine that was badly water contaminated, and it worked better than I could have ever hoped, it is my new go to.
Otherwise, the rule of thumb is 140 degrees operating temp of the fluid for at least half an hour to remove moisture. Hard to do in cylinders I know, reservoir not so much.
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jsal
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Re: water in hydraulic oil

Post by jsal » Fri Jun 22, 2018 6:28 pm

Thanks I may give it a try it is in the transmisson of a 302 john deere tractor that i have how much did you use ?

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Re: water in hydraulic oil

Post by Lavoy » Fri Jun 22, 2018 6:37 pm

I drained and filled with new oil, new filter, 5 qts of oil, and one can of Seafoam, pretty sure they are 16 oz. I let the crawler idle for 45 minutes, and it cleaned it up so there was no moisture residue or discoloration to the oil whatsoever.
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dtoots1
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Re: water in hydraulic oil

Post by dtoots1 » Sat Jun 23, 2018 1:12 pm

so would you recommend using sea foam in my jd440 hydraulic system and maybe an annual add to keep moisture down?

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jsal
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Re: water in hydraulic oil

Post by jsal » Sat Sep 01, 2018 2:25 am

Checked oil on tractor transmission yesterday dip stick was clear no more milky oil highly recommend Sea Foam Hydraulic worked very well

Thank Lavoy for the tip

JIM

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Re: water in hydraulic oil

Post by Lavoy » Sat Sep 01, 2018 9:14 am

Good, glad to hear it.
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Re: water in hydraulic oil

Post by bennyt » Sat Sep 01, 2018 10:29 pm

I've sold Seafoam for years and have never hear of this use for it, but this is good to know. Thanks for the tip Lavoy.

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shinnery
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Re: water in hydraulic oil

Post by shinnery » Sun Sep 02, 2018 3:26 pm

Where does the water and seafoam go? Mix together and settle to the bottom of the tank?
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jsal
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Re: water in hydraulic oil

Post by jsal » Sun Sep 02, 2018 8:23 pm

I really do not know if it was still in the trans it would mix and be milky and the dip stick is clear oil the machine is a 302 JD tractor I use with a large flail
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jsal
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Re: water in hydraulic oil

Post by jsal » Sun Sep 02, 2018 8:24 pm

check the sea foam web site I think it may explain it there



JIM

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Re: water in hydraulic oil

Post by Lavoy » Mon Sep 03, 2018 9:41 am

It mixes with the water and makes it more "volatile" for lack of a better term, and so it evaporates more easily.
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