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Ford 9N, 2N & 8N Discussion Forum
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Why does the hydraulic fluid turn to milk?

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Randy Bagrowski

11-22-2005 03:24:13




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I've been seeing more and more messages about the hydraulic fluid looking like milk, how to drain etc. I have 2 8N's and every year I drain the milk from mine and replace (like the good manual says!). I know the milk comes from water and other contaminants that mix into the oil.So my question is: Is this a yearly ritual with everyone? How is so much water getting in?, old gaskets? If your oil doesn't turn to milk in a years time, what are you doing or not doing?

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dan hill

11-26-2005 02:11:07




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
check the hydraulic dip stick.It can let water in.The 600 tractors have a dipstick that seals the opening.A shed is the best way to go.I built a shed for the saw part of my band saw mill.4 treated posts were set 3 feet down.Open side faces north, very little snow gets inside and the shed give some shade during mid day.I had some of the lumber on hand,sawed the rest.Used board and batten siding sawed from white cedar.Roof boards and rafters are poplar.Cost about $200.00 to build.Next project is a shed for tractors. Mill shed gives a place to store cant hooks and other tools for saw mill.

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Dell (WA)

11-22-2005 11:55:35




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
Randy..... ...yep, didja know mixxing/whipping water and oil, ya make "mayonnaise"?

Most water gitts into yer tranny thru yer torn and leaky tranny shifter boot. $5 (cheap) Tip: boil it in hot-water to soften it so you can stretch it over the shifter tower. You'll haffta be fast in cold weather to install it.

I installed mine by frosty flashlite beam in Feburary when I realized the 4-finger stretch'em pliers that I used to band the tails of my new-born lambs with tiny rubber washers would stretch my new cold shifter boot over the tranny shifter tower..... ...Dell, head shepherd RockyRidge SheepStation

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FarmerDawn

11-22-2005 12:25:18




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 Re: Why does the hydraulic fluid turn to milk? in reply to Dell (WA), 11-22-2005 11:55:35  
Oh wow! Do you have a website for the SheepStation? Do you use herding dogs?



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Dell (WA)

11-22-2005 13:20:16




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 Re: Why does the hydraulic fluid turn to milk? in reply to FarmerDawn, 11-22-2005 12:25:18  
Dawn..... ...my RockyRidge SheepStation, 15 awesome acres of starvation grass at the foot of 14k Mt Raineer in Puget Sound area of Washington, where I train Australian Shepherd dogs for sheepdog trials against BorderCollies. I don't win much, but have greatfull doggy friends. (grin)..... ...Dell, who never figgered the necessity or importance of having my own webpage



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FarmerDawn

11-22-2005 15:23:23




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 Re: Why does the hydraulic fluid turn to milk? in reply to Dell (WA), 11-22-2005 13:20:16  
Awww, I like Aussies a lot. (Obviously, I like border collies better, but to each his or her own! :-) I am starting to raise colored angora goats for fiber, just got my future herd sire in fact. Here's to herders!! ::raising a toast::



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Dan

11-22-2005 06:12:39




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
It is hard to get water out of the hydraulic chamber by simply draining it and adding fresh oil. You will need to remove the shifter cover, both inspection covers, and the PTO shaft so you can get in there with a pump sprayer filled with kerosene and spray it down good - then mop up the 50+ years worth of gunk at the bottom. Keep at it until the entire chamber is clean. It is a good weekend project that should take about 1-2 hours to get most of it, or 3-4 hours to get it spotless. Then put it back together and re-fill with good 90w mineral oil (or whatever you use).

As long as your tractors are covered, you will get minimum water (only from condensation) over the years.

HTH,
Dan

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Hobo,NC

11-22-2005 04:31:42




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
Utter places it gits in their izz a round the PTO shifter, draft controll spring, lift arms, if I leave mine out side with out a cover I flip the seat over to cover the big draft controll spring and lift arms. On one of my N's I took the pto shift cover off and it had a hand full off water traped in it. I may have left it out in the rain one time and could not believe the water that wuz in it. If I kin not git it under a shed like I won't I flip the seat over.

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Steve La Dike

11-22-2005 04:25:47




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
I had the same problem with my Farmall 560. I removed the hyd. oil and replaced it with new oil. The problem was I let it sit outside with no cover on it and the rain soaked in through the cover right below the seat where your feet rest when sitting on the tractor. The only way I could prevent water from getting into the system was to keep the tractor in my shed. The hydraulic system froze up on real cold days and my front end loader stoped working.

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Rob

11-22-2005 03:44:01




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
Those dang shifter boots. Guys try to use an 8N boot on an early model don"t work. Early models are worn at the shifter. Anyway, if you don"t have a roof then try a 5-gal bucket tossed over the shifter.



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Tom in MS

11-22-2005 03:36:24




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 Re: Why does the hydraulic fluid turn to milk? in reply to Randy Bagrowski, 11-22-2005 03:24:13  
Does the tractor sit outside? If so is the shift boot good? Small opening in the top of the dipstick, possibly around steering wheel shaft and where the large spring under the seat enters the hydraulic cover....then there is condensation depending largely on the climate where you live..about the only ways water can enter and it don't take much at all to make milk..As far as changing, My Dad's 2N has always been kept under a shed that is open on 3 sides but his tranny fluid has only been changed a couple of times in 35 years..not good, nor often enough but no water problem....

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Randy Bagrowski

11-22-2005 03:50:15




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 Re: Why does the hydraulic fluid turn to milk? in reply to Tom in MS, 11-22-2005 03:36:24  
Well, my "new" 8N (1950)is under a shed, my old one (1948) sits outside with a tarp. I like the bucket idea as well as finding room to get both of them under cover!..Thanks!



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