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Milky Hydraulic Fluid

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Eddie in KY

01-12-2003 17:43:52




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I found today that I have water in the hydraulic fluid. The lift wouldn't work and so I began to look for causes. The fluid is milky, and I know that this means water. My question is this, will milky fluid in subfreezing weather cause the lift to not operate or do I now have other problems as well??? Here's what I plan to do. I am going to build a small room with tarps around the tractor, and place a heater in it to warm this thing up. When its as warm as it will probably get I plan to change the fluid and filter. I know I'll probably have to change the fluid a few times to get all the water out but, if its what I have to do, its what I have to do. Another question, is there a possibility water in the hydraulics has messed up the pump??

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Jeb Mccranie

01-16-2003 11:08:54




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
Might be condensation that forms on the inside of the tranny housing. I live in georgia so I have never had a problem with it freezing



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case poor in pa

01-13-2003 19:30:10




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
aint sposed to use hydrlic oil in a case at least my 730 have to use case hytrans my 730 made the hyd oil turn green and crappy hy trans stays nice and purple



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Elmer

01-13-2003 04:35:44




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
There is webbing in the rear axle that can hold a few litres to. Put in a quart of air brake methyl hydrate after you change the oil and filter. When i bought my old 990 it had that problem. Seemed to cure it.



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Gordon

01-12-2003 20:20:19




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
The water will get slush around the filter and plug.It will take a long time to warm the in side of trany.Try a 5 or 15 gal pail and put some wood or charcoal in the pail with it on its side under tractor. I did this on a oily one I had to watch it so it would not burn it worked.



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case poor in pa

01-13-2003 19:26:34




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 Re: Re: Milky Hydraulic Fluid in reply to Gordon, 01-12-2003 20:20:19  
i know a old potatoe hauler that put charcoal under his truck went in drank more beer had a towering inferno when he came out



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Captain.n/e,Mo.

01-12-2003 18:50:07




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
thats all good ,but I'd run it till the whole thing is warm to the touch before draining it



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Illini Case

01-12-2003 18:45:35




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
Here's my two cents worth.... I just went through the same identical thing with a Case 730. Yes the boot on the shifter was bad and I thought I had water in the hyd. oil. I changed the oil and the boot, the oil instantly became milky again.The 3 point and remotes were still real weak at best, then they totally quit. A closer inspection showed that the pump housing had cracked and the milky look was caused by air being pumped into the hyd. oil (looked just like H20 in the oil. the pump had no external oil leaks. I replaced the pump ($275 & 1 hr. of my labor). The milky oil cleared up and the tractor had hydraulics like it had never had. Might try changing the oil, running the tractor prior to any moisture, if milk shows up look at your pump.

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Eddie in KY

01-12-2003 19:15:10




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 Re: Re: Milky Hydraulic Fluid in reply to Illini Case, 01-12-2003 18:45:35  
Hmmmmm mmm, never thought about the pump being cracked, but, it has a front loader that seems week, it has new seals in all the cylinders. I'll do the oil/filter first, its cheapest. Then if nothing changes I'll pull the pump.



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Joe (Wa)

01-12-2003 20:48:10




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 Re: Re: Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 19:15:10  
Hi Eddie, air entrainment and water emulsion look pretty much the same from the top of the sump. You can let it sit for a couple of days and crack the drain plug. If you get clear oil or slightly milky oil it is air, if you get a pint or so of pure water and then milky oil it is probably water. You say your boots are bad so there will probably be water in there in either case. good luck, Joe



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James

01-12-2003 17:50:41




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 Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 17:43:52  
Is that a David Brown? If yes, the water can freeze in the spool valves preventing them from working. Wouldn't think it would hurt the pump. I had the same problem, probably never get all the water out. Be sure your shifter boots are good to prevent water getting back in.



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Eddie in KY

01-12-2003 18:17:18




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 Re: Re: Milky Hydraulic Fluid in reply to James, 01-12-2003 17:50:41  
Yes I did forget to mention, its a DB 885. Yep shifter boots are long over due. Those are also going to be replaced when the hydraulic fluid is changed.



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kydavid

01-12-2003 19:33:16




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 Re: Re: Re: Milky Hydraulic Fluid in reply to Eddie in KY, 01-12-2003 18:17:18  
I have picked up water through the top cover where it connects to PTO. Seems seat with torn cushions squeeze water right onto the join. Even with new boots and a good seal I have to keep my DB's in the dry to keep water out. See a world of them with the spool valves all mucked up with sludge. Pump on the 885 is internal, lots more "fun" to change than a 1210.

I think I saw in your earlier part that you had a loader. Need to blow all those lines out with air. Then I usually put in 5 gallons, run 15 mins, and drain. Then blow lines out and fill. Costs about a hundred to change out mine (I've got pressure and suction filters). Had kept them inside religiously until last fall. Transfer pump quit and it raine while I was waiting on one to come in.

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