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Strange kegerator issue


Ryano2

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Hey guys, I've got a weird one. Just wondering if anyone has any idea what's going on. 

I've got a 2 tap kegerator with a regulator and a 2way manifold. 

Recently I've been trying to force carb some beer like I usually do. Crank it to 30 psi and shake for a few mins. 

However, when my ball locks are connected to the kegs I can't get the pressure above 12psi.

When I disconnect from the keg, the pressure shoots straight up to 30-40. 

It's only when I connect to the keg (I've tried 4 kegs, 2 of which aren't mine and I know hold pressure). 

Any ideas what is causing this? 

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I would normally suspect a blockage in the post, but as you say you’ve tried 4 different kegs.

Have you changed the ball lock for another ?

Or Can you change the white ball lock on the gas line to a black ball lock ( beer ) and try that, so pushing CO2 down the dip tube on the beer line ?

I had a blockage on my keg ( couldn’t get beer out ) and I fixed it that way, a little different to your problem.

Bit of a strange one this is 🤔🤔

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Yeah I have put the gas on the dip tube, same issue. Even if there was a blockage it should still build pressure right? 

I might change out my gas ball locks and keg posts. 

Seems to only be an issue when they are connected to the kegs. 

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6 minutes ago, Ryano2 said:

Yeah I have put the gas on the dip tube, same issue. Even if there was a blockage it should still build pressure right? 

I might change out my gas ball locks and keg posts. 

Seems to only be an issue when they are connected to the kegs. 

Does the gas come through when you push on the centre of the disconnect? 

Just so I understand, when you have just the line you can crank it up to 30 psi but after you connect it drops back to 12? Or do you clear it with the manifold first THEN it only goes up to 12?

I haven't looked inside a manifold so not sure where the 1-way vale is (presuming yours has them) - might it be in the manifold - the 1-way is sticking somehow?

Can you try bypassing the manifold and see if it makes a difference?

Edited by Journeyman
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23 minutes ago, Journeyman said:

Does the gas come through when you push on the centre of the disconnect? 

Just so I understand, when you have just the line you can crank it up to 30 psi but after you connect it drops back to 12? Or do you clear it with the manifold first THEN it only goes up to 12?

I haven't looked inside a manifold so not sure where the 1-way vale is (presuming yours has them) - might it be in the manifold - the 1-way is sticking somehow?

Can you try bypassing the manifold and see if it makes a difference?

The Check Valve could possibly have a blockage.

The correct term JM is a Non-return Valve or Check Valve ( for a 1-way valve ) 🤣🤣

  • Haha 1
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I've just connected directly to the regulator and I'm getting the same issue....

Could it be empty tank? The pressure isn't at empty though and it's getting to 50psi when nothing is connected. 

I'm so confused... As soon as it's connected to a keg it just goes back down to 10psi and can't climb. 

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Yeah I've checked for leaks. 

The thing that I don't get is when it's not connected to a keg. The pressure goes up as far as I want it. 

As SOON as it goes in a keg. It goes down. Then probably takes 20 minutes to climb, if at all. 

I've bypassed the manifold and am going straight from the regulator to a new ball lock to the keg. Same issue. 

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I’m scratching my head mate as to what the problem is 🤷‍♂️
Elimination suggests you have plenty of Gas, you’ve bypassed the manifold, do you have a check valve in your tubing to the kegs ? if so that could be the culprit?

Kink in the line somewhere ?

Failing all that I would turn the gas off, take the line off the Regulator, wind to 30 PSI & see if she roars out, bit of a waste of gas but only do it for a few seconds.

Im suspecting a collapsed diaphragm inside the Regulator ( I’m a mech fitter, now a trainer within the gas industry ). it would still read 30 PSI on the gauge but is not allowing that volume to pass through the diaphragm, how old is the Regulator mate ?

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Got me stumped. You've swapped to other gear so that removes most of those issues. Apart from RD's comment above, all I can think of is to do with the disconnect or ball lock. You DO have the disconnect on the right post... right? Not trying to put gas disconnect on the beer out post? (I don't even know if that's a problem, just vague memory reading that's why they put the notch on the gas posts)

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7 hours ago, Ryano2 said:

So a new reg has fixed the issue! 

Cheers for the help guys 

Good to see you got it sorted mate, you could probably purchase a spare diaphragm for the old one and keep it as a spare Regulator ? If you wanted to do that let me know and I can guide you through replacing it ? 

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