Hydraulic Quick Connects

chadincolo · May 8, 2006

( If it did that to the connector O-rings, I would be afraid that it would damage the internal seals. I would take it out and flush the system. )

Why do you assume it was the oil? Maybe the manufacturer got a bad batch of o-rings. I would say change the o-rings and keep using Sam's oil, Sam's doesn't make it, probably Shell or Exxon, it's the same stuff, different bucket as you buy at the NH dealer, Kioti dealer, JD Dealer...if it meets the specs, it meets the specs. (I'm assuming here the correct oil was purchased at Sam's)

Glenn9643 · May 8, 2006

1. Murph's had this tractor for a while and apparently hasn't had this problem until recently.
2. All four QC's appear to have the same problem - O-rings going out.
3. Changed the oil about 3 weeks ago and the problems appeared in all four QC's.
4. A little too much of the same problem seems like something other than coincidence.

daTeacha · May 8, 2006

Since I'm the happy owner of a new DX29, I'm particularly interested in how this one shakes out. I'd hate for my hydraulics to do the same thing. Is there a cross reference for oil standards somewhere like there is for spark plugs, filters, etc.??

KiotiJohn -- while it's generally true that a bigger number on the standard represents a better and downwards compatible oil, I'm not so sure about Case. There is a MS1210 standard that is different from the MS1209 number for Hytran Ultra, but I'm not sure you can run 1210 spec oil in a 1209 system with no negative effects. They sell it side by side at the Case dealer and I think the 1210, sold under the Aksela (?) label is cheaper. The Hytran Ultra is also made by that company. The lower numbers in the Case system such as 1206 and 1207 are definitely not upwards compatible to the 1209 standard. Does anyone know for sure?

Given Sam's club as the source, could some prankster have switched lids on two pails of oil? I can picture some idiot thinking that would be a funny thing to do at 2 or 3 AM. Our 24 hour WalMart is the major hangout for the high school idiot set after everything else in town is closed, especially in bad weather.

thcri · May 8, 2006

(
Given Sam's club as the source, could some prankster have switched lids on two pails of oil? I can picture some idiot thinking that would be a funny thing to do at 2 or 3 AM. Our 24 hour WalMart is the major hangout for the high school idiot set after everything else in town is closed, especially in bad weather.
)

That prankster could have changed the lids all he wants and would not have changed the substance. The identification was on the barrell itself not on the lid. And besides, getting them lids off was a major pain in the ***. Most pranksters I think would have given up unless he had the proper tools to get the lids off.

I did talk to my dealer today and he did tell me he has seen this before. And even on other brands. Which I am sure is possible as them quick connects probably are made for more than one manufacture. My dealer also reminded me that after having my tractor for about 6 months they changed out the 0 rings. So his question did they use generic 0 rings off the shelf or did they use the actual New Holland ones?? I am changing them out tommorrow and in a few months we will check them to see how they are doing. He does not think it is the oil.

We'll see.

murph

JerryG · May 9, 2006

Ah, more information. If they changed the o-rings, there is a really good chance that the problem is the o-rings. If I had a hydro and I thought that the oil was bad, I would panic. I hope that the o-rings are the whole problem. That would be great. Do this. Check the quick connector o-rings for the loader (if they are original). If they are good there, you at least know there is a better chance that the new o-rings are the problem.

DiskDoctr · Jun 9, 2006

Thcri,

If you/they used the wrong size O-rings, this could certainly happen.

O-Rings have very specific ID/OD, thickness, and material and are made to stretch some but not overly so.

That's speaking generic about O-rings.

Also make sure the installers didn't use petroleum jelly or something that dries out the O-rings. They should lube the O-rings a little with the hydraulic oil or installing them could tear or roll them.

Good luck, and let us know.

-JC

DiskDoctr · Jun 9, 2006

Thcri,

If you/they used the wrong size O-rings, this could certainly happen.

O-Rings have very specific ID/OD, thickness, and material and are made to stretch some but not overly so.

That's speaking generic about O-rings.

Also make sure the installers didn't use petroleum jelly or something that dries out the O-rings. They should lube the O-rings a little with the hydraulic oil or installing them could tear or roll them.

Good luck, and let us know.

-JC