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Farmall & IHC Tractors Discussion Forum
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Milky colored transmission/hydraulic fluid

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Wisconsin 560G

09-25-2005 10:36:14




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Gentlemen,

I am quite new in the tractor hobby so any suggestions will be greatly appreciated.

Have a Farmall 560G with TA and power steering. It also has a Farmhand F-11 loader on it. The fluid was replaced less than a year ago (Am hopeful but don't know if the filter element was cleaned at the same time). Since then I have put probably less than 30 hours on it (some plowing with 3-bottom, some disking, some mowing).

The loader is now going up much slower than it used to and the power steering kicks in and out. I understand both systems are operated by the same pump so resolution to the problem will solve (I hope) both issues.

I checked the fluid level yesterday and some fluid came out (so it was full) but the fluid was a milky color.

I have a concern that I may have caused this problem myself. The way my loader works, I have to use 2 hands to operate it - 1 hand to work the hydraulic control that sends pressure to the other 2 valves and 1 hand to operate those 2 valves that control bucket up/down and bucket tilt up/down. While just running the tractor for plowing/mowing/disking, the bucket very slowly drops down so I have to periodically lift it up again to prevent it from dragging. It is inconvenient to take both hands off the wheel to accomplish this while the tractor is moving.

I friend of my with a great deal of experience with Green tractors recommended I bungy-cord the main control in the "on" position so I only have to use 1 hand to operate the bucket controls. Could having that lever in the on position have caused the milky fluid color. I believe the milky color is normally caused by the introduction of water or air bubbles into the fluid. I am confused!

Question #2 - I would like to check the fluid filter elements. Do I have to drain 16 gallons of fluid to accomplish this or can the filter be removed without all the fluid pouring out?

Any help is really appreciated!!

Thanks, John

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wolfman

09-25-2005 17:26:15




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 Re: Milky colored transmission/hydraulic fluid in reply to Wisconsin 560G, 09-25-2005 10:36:14  
To change hydraulic filter on 460 & 560, i always parked the tractor with left wheel as low as the hill would allow & right tire & fronts higher; don't lose much fluid at all. Have to put it on the level to check for correct fill.



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Wisconsin 560G

09-26-2005 05:42:32




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 Re: Milky colored transmission/hydraulic fluid in reply to wolfman, 09-25-2005 17:26:15  
That is a great idea. Thanks a lot!



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Duane NC OH

09-25-2005 15:28:52




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 Re: Milky colored transmission/hydraulic fluid in reply to Wisconsin 560G, 09-25-2005 10:36:14  
i agree with the moisture in the tractor.
with our 560 we use a tarp strap to hold the level in the on position to run our loader. you can take off the hydraulic cover and look at the filter. its on the right side of the tractor. you might loose a 1/2 gal or so.
hth

Duane



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Wisconsin 560G

09-26-2005 05:45:21




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 Re: Milky colored transmission/hydraulic fluid in reply to Duane NC OH, 09-25-2005 15:28:52  
So having the pump run all the time does no harm to the pump or temperature of the fluid?

Thanks!



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Duane NC OH

09-26-2005 14:42:08




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 Re: Milky colored transmission/hydraulic fluid in reply to Wisconsin 560G, 09-26-2005 05:45:21  
doesn't seem to have bothered our pump any.
when i don't use the loader i raise it up and unhook the strap. if i plan to use the loader alot then just leave it hooked up.

hth

Duane



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Hugh MacKay

09-25-2005 14:11:12




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 Re: Milky colored transmission/hydraulic fluid in reply to Wisconsin 560G, 09-25-2005 10:36:14  
John: Your problem could be entirely condensation. This problem is much worse on tractors that see only limited use as in less than 100 hours per year. Tractors that are being worked hard and regularly very seldom have this happen. They get warmed enough to evaporate water from condensation. Very rarely will you ever see milky or water saturated fluids in a tractor clocking a 1,000 hours per year.

The only solution I see for low hour tractors is heated storage. I had my SA in heated building a few winters, never a sign of water. I have a 140, I bought two years ago. Hadn't been run in 10 years but was stored in a heated warehouse. Oils were clean as the day it was new.

A lot of folks blame leaks, and in some cases that is perhaps true. Don't overlook condensation.

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Wisconsin 560G

09-26-2005 05:47:01




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 Re: Milky colored transmission/hydraulic fluid in reply to Hugh MacKay, 09-25-2005 14:11:12  
Thanks for taking the time to post. I thank you!



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dave from MN

09-25-2005 12:12:01




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 Re: Milky colored transmission/hydraulic fluid in reply to Wisconsin 560G, 09-25-2005 10:36:14  
Milky color ussually mean you have water in the oil. I would recomend draining all the fluid and changing your hyd filters. Is there any fill caps missing. I am not sure about the 560 but older farmalls can get water in through the deck plate bolt recesses.



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catmandoo

09-25-2005 14:53:07




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 Re: Milky colored transmission/hydraulic fluid in reply to dave from MN, 09-25-2005 12:12:01  
yep water,if i leave my 460 out in the rain water leaks in from somewhere,so when i sense rain inside it goes,and in the last 3 years it"s hasn"t changed color yet.and it only gets maybe 30 hours a year if that.



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Wisconsin 560G

09-26-2005 05:49:24




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 Re: Milky colored transmission/hydraulic fluid in reply to catmandoo, 09-25-2005 14:53:07  
It was only out in the rain a few times when it was stuck and had to wait for dryer times. There are no caps or covers missing on it but I guess some water could have leaked in.

Thanks for your input!



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