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seasonal hydraulic disorder

T

Tony in Mass.

Well-known Member
OK, here's a serious yet goofy question. On here instead of Massey or fergie forum... cause I guess Davis made these loaders for several brands.
Back in December some one came by and wanted to buy this TO-30 & loader. He needs to lift a bucket of snow or manure. He stands in the bucket and said 'if it lifts me, I'll buy it'... he is a heavyweight alright, 300? and it couldn't get him more that a foot up, and screamed and struggled to do it. then, with pressure off, a pink foam would pour out the air vent.
I took the 4 -well, 3 way valve apart, cleaned and inspected it for any damage, nothing obvious, back together last month for a test- still no guts. Still a pink milk shake coming out the vent.
Today, I had to move it, so played around a bit, trying to lift different stuff... yep, fine.
Not like an industrial 4 way, but as it used to up to this winter.
So. It's the fluid I presume? I had tried a couple leftovers I had laying around... so what should this run on? Thanks in Advance, Tony
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When was the last time you serviced that filter??? If that filter had water in it and it was cold out and say the water was ice it would have a hard time getting much fluid to the pump which can also burn up a pump. I had something like that on my 841 ford years ago and found that the pump was only putting out 500psi which is not enough to lift much of any thing.
 
Tony: Is there a filter in that can by the pump? If so get rid of it!. Have your filter on the return line out of the control valve. Cold weather you will starve that pump for fluid!
 
I had cleaned the filter, a brass screen in that horizontal tank, There was water in it last winter, nothing would move at all, didn't need to use it, so in the spring I drained and cleaned it all, and put in leftovers, NAPA R&O? oilzum? that mixture quit working early in the winter, so I put in TSC fluid in the green pails, just as bad... till today, it felt like 100 in the sun, but the weather is the only difference. Mechanically, I can't find a problem.
 
You were typing same time as me John! So now you know there IS a brass screen in that tank,... and ??? install like an inline spin on filter? What's your theory on the pink foam? Is that the starving again?
 
You are a wealth of information Sam. NO water... this winter, last one yeah, iced up.... we had snow too, you now know what snow is right? so next question. When you going to answer what the 212 pound deal is??? The- American half... of the fergie world awaits
 
If you dont believe the guys telling you its water in the oil, you can put some of that pink foam in a jar and let it settle for a few weeks. Warming it will make the water settle out faster but even room temp should show the water dropping pretty quick.
 
That's the trouble,,, it doesn't foam anymore either. I will let it all settle in a clear tub... when I empty it out... but only when I'm ready to put... something else? back in it? Or just get the water out by separating? Pour the old stuff back in? I don't like that idea at all... there ain't much in there, a couple 3 gallons?
 
That filter is just FINE on a Davis loader and was factory equipment. I"ve owned 3 of them, and I live in North Dakota so I can verify they work in the cold, with the proper oil. (We used Dexron ATF.)

ALL that I have seen, however, are mounted with the filter canister VERTICAL. Having it mounted horizontally like that, I would think, would make it tough to purge it of air, which would contribute to the oil foaming. Looks like there"s another set of holes in the pump mount so it would be easy to correct someone"s goofyness and get the filter up vertically as it supposed to be.


IIRC, the OEM filters were a cotton sock type which tend to be water absorbent. I can"t find a part number, at the moment to confirm that. Will post back if I figure it out.
 
It's possible the vanes in the pump are worn. I don't know if replacement cartridges are still available for Vickers pumps.
 
Found the info. There"s a screen in the canister with a "sock type" filter inside, the sock filter is Massey part # 1752177M1. It is SUPPOSEDLY still available from AGCO, I don't know if they still supply the cotton string (water absorbing) filter or if it has been replaced by a "more modern" pleated paper filter. WIX says it's a good OEM part number but they do NOT have a direct replacement for it.

<img src = "http://i167.photobucket.com/albums/u125/27Grainfield/N%20Ford/DavisFilter_zps4a134ea3.jpg">
 
Yep. That thought crossed my mind often this winter, but now the pressure seems to do the job...about as well as a loader this size and generation can do.
If I get into that cage and put an elbow on the tank- as Bob might have a point her...seems like an unprofessional way of draining the system- one big gush!
So while in there, I'll look into the vanes. Trouble is, I don't need this one anymore as a loader tractor, I have a couple others now. And without power steering, these loaders don't add a penny of value to these fergies- so I'll put in time and effort, to teach myself something, but I can't see buying even one big ticket replacement part. A year round fluid yes. ATF eh? If it works in North Dakota...it'll work here...
 
(quoted from post at 08:11:04 04/10/13) Yep. That thought crossed my mind often this winter, but now the pressure seems to do the job...about as well as a loader this size and generation can do.
If I get into that cage and put an elbow on the tank- as Bob might have a point her...seems like an unprofessional way of draining the system- one big gush!
So while in there, I'll look into the vanes. Trouble is, I don't need this one anymore as a loader tractor, I have a couple others now. And without power steering, these loaders don't add a penny of value to these fergies- so I'll put in time and effort, to teach myself something, but I can't see buying even one big ticket replacement part. A year round fluid yes. ATF eh? If it works in North Dakota...it'll work here...
Click to expand...

Type "A" ATF, which more is loss became Dexron is actually a choice given in the loader operator's manual.
 
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