Flat face hyd. coupling "pressure release" tool

[BX tent guy]

Sad to say I'd be ponying up to maintain the awesomeness. Do you have a supplier that you get 'em from?
Need to go in my "as-if" tractor bookmark folder....

If I knew where to get them I would do that.

 

[aeblank]

Email returned. Thanks!

For the sake of the discussion, this is what I had in mind.
I am certainly not locked into this design, but it'd work. Maybe there is a less fitting intensive design. I've seen those air manifolds (http://ecx.images-amazon.com/images/I/51avnKHPgDL._SX342_.jpg) but it's a 3-up with a spot for a valve, not a 4-up. Plus I dunno about room for the other fitting half.

This is 3/8 fittings and nipples, probably just from Home Depot. 1" nipples appear to be plenty large and give room for the mating fittings.

View attachment 421084

View attachment 421085

http://www.tractorbynet.com/forums/hydraulics/347562-loader-pressure-release.html

 

[Tony H]

aeblank, How did you make out with your Manifold idea? I've used the heck out of my Small manifold idea ( THREAD #9) and I'm happy with it. I can't imagine having to buy the Mates to that Italian connector for each implement. Although it is cool looking.
This must be cheaper IF you could buy one here in the States
QUICK-ON

 

[Rustyiron]

I can't imagine having to buy the Mates to that Italian connector for each implement. Although it is cool looking.
]

My Kub. came with "Faster" brand fittings, they are a regular "ag" pattern available locally.
FWIW, I think that a lot of electricaly operated 3 function valves leak some past the sol.valve creating just enough pressure to make connection hard. It seems that a tablespoon or so of fluid that I see when using my little tool is all it takes to make it a not so quick connect :laughing:

 

[dstig1]

My Kub. came with "Faster" brand fittings, they are a regular "ag" pattern available locally.
FWIW, I think that a lot of electricaly operated 3 function valves leak some past the sol.valve creating just enough pressure to make connection hard. It seems that a tablespoon or so of fluid that I see when using my little tool is all it takes to make it a not so quick connect :laughing:

Exactly what i suspect is happening too...

 

[aeblank]

aeblank, How did you make out with your Manifold idea?

Dunno yet. Haven't used it. I finally built it though!
It wasn't too bad, cost wise. Maybe $40 or $50.
That's only a couple years to pay off, in frustration/hr. on re-assembly.

 

[Cord]

I did what I mentioned in my post (post #9 I think) I made a pressure release with extra connectors. The problem isn't with the tractor it's with the implement. If you try to reconnect when the temperature is hotter than when you disconnected.... It builds pressure in the lines. It's a problem with the 'new' Flush Face connectors (ISO16028). They are environmentally friendly, just not User friendly.

How well does this "tool" work? Would see that you still are having to compress the face of the coupler which is what's preventing the lines from connecting. If it works, then I'm building one, but these couplers arn't cheap!

 

[zzvyb6]

Seems to me you could make a connector 'jack' out of a Vise-Grips hand clamp that would work like a bottle cork installer. The amount of movement is not very much. Get the couplers close and aligned, then squeeze it to press the male into the female joint. The mechanical advantage ought to be high enough to make the connection with hand grip force.

I'll start scrounging for just the right Vise-Grips. One of my welder clamps just started to talk to me. Once in a Blue Moon (that's twice a year), a hose line pulls out of my haybine for some unknown reason (hard turn maybe). If the header is raised, I have to drain the pressure off in order to reconnect. Problem will be "where is the darned thing when I need it".

 

[Ivan49]

I had flat faced ones on my skidsteer and I replaced them. They were hard to connect and then started leaking. I figure if they were going to leak I would reoplace them with the cheaper ones. That was several years ago and so far no leaks. Still cannot connect with machine running but a wood dowel and rag takes of that

 

[Todd727]

If you install connect under pressure fittings on your machine, you won't have to deal with each implement. I have them on my CTL and no longer have any problems with any of my 9 hydraulic attachments.

 

[Fallon]

If you install connect under pressure fittings on your machine, you won't have to deal with each implement. I have them on my CTL and no longer have any problems with any of my 9 hydraulic attachments.

So you have normal flat face QDs on your impliments & connect under pressure flat face QDs on the machine? I'm assuming they are compatible between the standard ones & the connect under pressure? Which ones you using?

 

[dstig1]

If you install connect under pressure fittings on your machine, you won't have to deal with each implement. I have them on my CTL and no longer have any problems with any of my 9 hydraulic attachments.

In theory... I put them on and still have issues. it is easier now, but still not anything you can do just by hand every time.

 

[cruz54982]

I use a small ratchet strap wrapped around each flat face and just pull them together has worked every time so far . not the handiest but it works !

 

[Todd727]

So you have normal flat face QDs on your impliments & connect under pressure flat face QDs on the machine? I'm assuming they are compatible between the standard ones & the connect under pressure? Which ones you using?

Exactly. Occasionally I'll find that hooking up the male connector from the implement works best. It's easier to push into the female on the machine and relieve any residual pressure in the attachment.

 

[Fallon]

Exactly. Occasionally I'll find that hooking up the male connector from the implement works best. It's easier to push into the female on the machine and relieve any residual pressure in the attachment.

Ya, I agree with getting one side hooked up. I have a PHD & plow. So the hydraulic motor & pair of single acting cylinders leakdown, spin, contract, or otherwise equalize relieving the pressure on the other QD once you get the first hooked up.

 

[bdhsfz6]

I've been fighting with these pressure bound fittings for years now. I tried the connect under pressure Flat face and Pioneer types with little improvement. I finally switched to the Pioneer 2 way style QD's which so far are working well. I used Female breakaways on my tractors which can be pulled apart even when not completely depressurized. The male fittings on the implement hose ends can be depressurized by rapping the ball valve end on the side of the implement frame. For my frequently used implements, I made up a few of these:



Although more expensive, the same idea can be used for flat faced QD's as well.

 

[dstig1]

I made something very similar but used a 4-way cross tee instead of a Tee and just left it open on the sides. I stuff a paper towel in there. Sounds like you have the exact same issues I have and tried all the same things...

 

[bdhsfz6]

I made something very similar but used a 4-way cross tee instead of a Tee and just left it open on the sides. I stuff a paper towel in there. Sounds like you have the exact same issues I have and tried all the same things...

I did that at first but found I was losing more oil. I still do this with frequently used implements though. For long term storage, Letting the hoses "breathe" allows air and moisture to enter which is never a good thing.

 

[dstig1]

Oh - I don't leave mine in place. I just use it to release pressure on the tractor or implement side when i am trying to connect. I plug it in then pop it back off. The most that comes out is a tiny squirt.

 

[55RRR]

5 year thread but still relevant. For my grapple, I just switched from pioneers to flat face, thinking I've had enough dealing with "just a thimble" full each QA swap. But the very first time I tried reconnecting it, the line pressure made it impossible. I read through this thread and couldn't believe I traded "just a thimble" for a pressure relief assembly.

Happy ending, I raised the loader arms so the lines could gravity drain back to the reservoir, then turned the tractor off but left the key in, and oh my it worked. Coupled back in with little effort.