Fallon
Super Member
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?
Flat face hyd. coupling "pressure release" tool
- Thread starter Rustyiron
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cruz54982
Silver Member
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- TYM T503 cab , 1946 Farmal M , case 310 industrial /w fel
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
Gold Member
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
Super Member
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
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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.
Although more expensive, the same idea can be used for flat faced QD's as well.
dstig1
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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
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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
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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
Member
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.
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.