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Creamy white hyd fluid

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Sam 9N

11-28-2000 18:13:46

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When I checked my hyd fluid last night I noticed that the hyd fluid is a little creamy. I do no that for motor oil that is a death wish however my 9N sleeps out side and I wonder how the water got in there. Should I completly drain the case and start over? Or just add a what I need to for fluid to bring it up to par.

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Dell (WA)

11-29-2000 00:13:39

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Re: Creamy white hyd fluid in reply to Sam 9N, 11-28-2000 18:13:46

Sam..... ..you know what happens to engines when they don't have anti-freeze in the water? Well guess what will happen to your hydraulic pump when it gets cold? CHANGE YOUR HYDRAULIC FLUID. Its creamy because there is water in it.

Ford/New Holland now recommends 5 gallons of M2C-134D hydraulic/tranny fluid. Drain all 3 drains, 1 fill up by tranny shifter. Yes, you can still use the 60 yr old recommended 90 wt gear oil if you can find it. DO NOT USE differential oil. It will eat your hydraulic pump valves. ..... Dell

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Nolan

11-29-2000 18:59:25

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Re: Re: Creamy white hyd fluid in reply to Dell (WA), 11-29-2000 00:13:39

No, that's incorrect.
A GL5 gear lube uses a higher concentration of sulfer, which can eat yellow metals, ie, brass. The hydraulic pump valves are either steel or aluminum, but they are not brass. The only brass in the entire assembly is the knocker boxes that pump the scotch yoke. Because of the size of the brass pieces here, I'd expect it to take many many years to do enough damage to them to cause problems, and that's only if the brass is of the type that can be disolved by the higher sulfer content of a GL5 gear lube.

Going backwards in GL numbers you reduce the level of sulfer. Different gearboxes and such had different sensitivities to this. My Spitfire wants GL4, while my Fiat (which is the same year) wants GL2.

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Salmoneye-New One On Me!

11-29-2000 00:44:43

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Re: Re: Creamy white hyd fluid in reply to Dell (WA), 11-29-2000 00:13:39

Dell Sir,

What are you referring to as 'differential fluid'?
It was my understanding that the 80w90 gear oil was acceptable in place of the old spec 90w mineral oil. If I am wrong, I need to know since that is what has been in my rearend for years apparently.

Thanks,

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Dell (WA)

11-29-2000 09:47:36

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Re: Re: Re: Creamy white hyd fluid in reply to Salmoneye-New One On Me!, 11-29-2000 00:44:43

What I refered to 'differential fluid'? as a shorthand to the longer "hypoid gear oil" commonly spec'd for differentials. It contains various sulferious additives that are aciditives and will react to various metals by eating 'em.

If your 80w90 gear oil smells like an ol' wooden kitchen match, it's has EP hypoid additives. not good.

Some people can easily get confused at the oil counter over what to "buy". All 90wt oil is not the same.

I know that when I mechanic'd at BMW dealer, Had a very difficult time with the oil supplier getting the correct manual gearbox oil. What they kept trying to deliver contained additives that ate the coating on the syncros. Turned a hotknife thru soft butter shifting gearbox into a crashbox. Dealer finally bought and shipped from Germany a "barrell of liquid gold" for tranny oil service. Do you know what the freight from the fatherland is??? (grin)..... ...Dell

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dave#1

11-29-2000 16:30:45

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Re: Re: Re: Re: Creamy white hyd fluid in reply to Dell (WA), 11-29-2000 09:47:36

Is this really an issue?, compareing a BMW sports car Transmission to a 23 hp N series tractor is like compareing apples and oranges, a N series transmission has no syncros (I think?) and the N hydraulic pump has steel valves (I know) but, does have scotch yokes which are brass/bronse, are you talking about the yokes that will be eat'n up and not the valves?? Also, working at a late model salvage yard (17 years) I've had zillions of rear differentials apart, and I've noticed alot of them use brass/bronse thrust washers and such and that the oil has that "ol' wooden kitchen match" smell, that you desribe which tells me it must have the "various sulferious additives" which will "react to various metals by eating 'em.", and they seem to do just fine.

Thanks,dave

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Salmoneye-Thanks Dell!

11-29-2000 10:13:29

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Re: Re: Re: Re: Creamy white hyd fluid in reply to Dell (WA), 11-29-2000 09:47:36

I now understand what you are saying.
I appreciate the follow-up!

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dave#1

11-29-2000 04:39:17

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Re: Re: Re: Creamy white hyd fluid in reply to Salmoneye-New One On Me!, 11-29-2000 00:44:43

Here's what are good friend llamas had to say about oils, see if you can make heads or tales out of it, I've read it a 1000 times and still don't understand it !(-:

later,dave

llamas's post

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younganddumb

11-29-2000 02:36:28

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Re: Re: Re: Creamy white hyd fluid in reply to Salmoneye-New One On Me!, 11-29-2000 00:44:43

Now I'm really confused.Before I found this board the guy at the napa counter said that tractor hyd fluid would be fine in my 2n,so that's what I put in.Then because of a few minor leaks I put in 85-90 gear lube,I just had to take it for a ride before I used the hydraulics,(in the coldest weather). Now that I just repaired the leaks(hopefully) I was ready to go out on friday and purchase more 85-90.How 85-90 can eat my hyd pump valves and not my axel seals is beyond me. I have a friend who is a chemical operator so on Sunday weather permitting, I'll give him a sample of each the 85-90 and the 134,have him analyze and test the viscosity of each and report back.The last time I did this I couldn't figure out why the water wasn't seperating from the hyd oil in my backhoe even after I let it sit for six weeks.Found out the hyd oil I was using contained emulsifiers.Emulsifiers allow the absorbsion of water and is used as a cheap additive.go figure. I might be younganddumb but with the help of this board I'm learning.

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homeboy

11-28-2000 18:24:41

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Re: Creamy white hyd fluid in reply to Sam 9N, 11-28-2000 18:13:46

Hello Sam . I would check out the rubber boot that goes around the gear shift lever base. Probulary because she sits outside it took on moisture from being in the rain. The fix is cheep check with some of our fine board sponsers and they can fix you up with a new boot. Probulary need to go and drain the tranny and reinstall with appropiate lubricant 90 wt. gear oil or 134 tranny fluid. Happy Holidays

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Dale O'9N

11-28-2000 19:48:31

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Re: Re: Creamy white hyd fluid in reply to homeboy, 11-28-2000 18:24:41

your right homeboy. Sam is getting water in there. Most likely it's the boot. It could also be around the steering colunm. My 42 9N had a replacement steering wheel. It didn't fit just right, and was letting rain in. I found this when I had to rebuild the steering column. The bearing housing was rusted and fell apart. A close inspection showed that nothing would prevent rain from getting in. the previous owner left her out all the time. I repaired all bad parts, and she stays inside the shed now. Always replace milky fluid. We don't want those hyd parts rusting. Sam should let fluid out of all three plugs under her belly. Have fun. Dale in VA.

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