850,950,1050 power steering flow divider

   / 850,950,1050 power steering flow divider #11  

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   / 850,950,1050 power steering flow divider #12  
This was a complete headache not having the hard lines, adapt and overcome comes to mine
 
   / 850,950,1050 power steering flow divider #13  
I just bought the same valve. I found a site called "fastline". It showed me all the salvage yards that have a 950 being parted out. I called them all. I got a person at Macfaddens in upstate NY. They had one and had just shipped out another one a couple days earlier. I looked like their listing contained almost all john deere 950's being parted out. Call around till you find one. I called all the usual standby tractor salvage yards with no luck. I'm glad I found this posting and my part. Unfortunately it didn't solve my problem.
 
   / 850,950,1050 power steering flow divider #14  
The original Yanmar OE PS system has a design flaw and will leak over time.
Yeah. The end of the hydraulic piston squirted all over the side of the hood and loader, maybe the reason the previous owner was ready to sell the YM186D that I bought.

But I gave up dis-assembling it when there was no way to hold this aluminum casting in a vise without crushing and destroying it. I put a 'diaper' (sheet rubber) on to direct the squirt downward, and put it back in service. Then a Yanmar dealer from long ago had the cylinder, and his just needed an easily replaced O-ring between its front/rear portions to tame its dribble. I put that in service. Slight squirt but nothing like before.

The problem area on these is beyond the control rod that is pushed/pulled when you steer. There's a hole there to let air escape as that rod is pushed in but the small o-ring that separates that rod from the hydraulic pressure, wears out so oil gets pushed out the air vent at the end of that rod's travel.

Another design flaw, or at least limitation, is the steering gets 100% the hydraulic pressure under 1,000 rpm. So run the loader into a pile of gravel and you can't scoop or lift as your forward speed bogs down.
 

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