Poseidon 1st stage yoke [Archive] - ScubaBoard

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Rimp
August 22nd, 2004, 12:37 AM
I just paid a retarded amount of money to have my Poseidon first and second stages serviced along wiht my beuchat second stage reg. When i got it home I discovered the hoses are all plugged into the wrong ports on the first stage.. thats easy to fix, but there is a second problem now. The yoke that
attaches to the tank and then to the first stage no longer swivels like it used to. If I attempt to swivel it, it unscrews from the first stage. It took almost no pressure to unscrew it.

This can't be correct. Did this dive shop screw up my first stage now?

Anyone out there have a Poseidon first stage with a K valve yoke that can tell me if your yoke is supposed to swivel or not?

Obviously I can't dive with it like this until I know it's correctly
assembled.

Thanks.

Doug.

leadweight
August 22nd, 2004, 11:17 AM
I just paid a retarded amount of money to have my Poseidon first and second stages serviced along wiht my beuchat second stage reg. When i got it home I discovered the hoses are all plugged into the wrong ports on the first stage.. thats easy to fix, but there is a second problem now. The yoke that
attaches to the tank and then to the first stage no longer swivels like it used to. If I attempt to swivel it, it unscrews from the first stage. It took almost no pressure to unscrew it.

This can't be correct. Did this dive shop screw up my first stage now?

Anyone out there have a Poseidon first stage with a K valve yoke that can tell me if your yoke is supposed to swivel or not?

Obviously I can't dive with it like this until I know it's correctly
assembled.

Thanks.

Doug.

Poseidon is known for unusually expensive parts charges. You might be better off switching to something else like Scubapro or Apeks.

Rimp
August 22nd, 2004, 01:27 PM
Poseidon is known for unusually expensive parts charges. You might be better off switching to something else like Scubapro or Apeks.

Yes, the thought has crossed my mind, but I want to get this gear working so i can attempt to wear it out over the next few years. Once that occurs I likely will replace it.

All I need is for someone that has a Poseidon first stage, to tell me if their yoke turns, or does it unscrew when you attempt it?

Frank Kohler
August 22nd, 2004, 01:36 PM
I just paid a retarded amount of money to have my Poseidon first and second stages serviced along wiht my beuchat second stage reg. When i got it home I discovered the hoses are all plugged into the wrong ports on the first stage.. thats easy to fix, but there is a second problem now. The yoke that
attaches to the tank and then to the first stage no longer swivels like it used to. If I attempt to swivel it, it unscrews from the first stage. It took almost no pressure to unscrew it.

This can't be correct. Did this dive shop screw up my first stage now?

Anyone out there have a Poseidon first stage with a K valve yoke that can tell me if your yoke is supposed to swivel or not?

Obviously I can't dive with it like this until I know it's correctly
assembled.

Thanks.

Doug.

i have one and mine swivels and very easly at that.

Rimp
August 22nd, 2004, 02:17 PM
i have one and mine swivels and very easly at that.

Thank you Frank. Thats what I wanted to hear.

I will take it back to the shop today. They must have either assembled it incorrectly, or used the wrong kit parts. My guess is they assembled it wrong.

I have the service manual for this reg, but i'm not sure from the diagrams how the pieces are supposed to fit together.

Thanks.

Doug.

Frank Kohler
August 22nd, 2004, 02:44 PM
Thank you Frank. Thats what I wanted to hear.

I will take it back to the shop today. They must have either assembled it incorrectly, or used the wrong kit parts. My guess is they assembled it wrong.

I have the service manual for this reg, but i'm not sure from the diagrams how the pieces are supposed to fit together.

Thanks.

Doug.

np glad i could help.

DEEPLOU
August 22nd, 2004, 04:23 PM
I just paid a retarded amount of money to have my Poseidon first and second stages serviced along wiht my beuchat second stage reg. When i got it home I discovered the hoses are all plugged into the wrong ports on the first stage.. thats easy to fix, but there is a second problem now. The yoke that
attaches to the tank and then to the first stage no longer swivels like it used to. If I attempt to swivel it, it unscrews from the first stage. It took almost no pressure to unscrew it.

This can't be correct. Did this dive shop screw up my first stage now?

Anyone out there have a Poseidon first stage with a K valve yoke that can tell me if your yoke is supposed to swivel or not?



Obviously I can't dive with it like this until I know it's correctly
assembled.

Thanks.

Doug.


I have never seen a Poseidon w/ a yoke fitting. All the ones I have & seen are DIN w/ a yoke adapter.

But then the only models I have seen are the Odin and new Extremes. (no one around here uses any of the other models)

JDostal
August 23rd, 2004, 10:20 AM
I've got a Poseidon yoke adapter that I've occasionally used on my odin and xstream. My adapter just screws onto my din fitting on the reg, and then the whole thing spins around as normal. So yep, mine swivels.

Rimp
August 23rd, 2004, 12:13 PM
I've got a Poseidon yoke adapter that I've occasionally used on my odin and xstream. My adapter just screws onto my din fitting on the reg, and then the whole thing spins around as normal. So yep, mine swivels.

Yes, thats how I remember this working prior to the service "fixes". It doesn't make sense to me that it would bind everything down tight when i screw the yoke on (the way it is currently). Also, I wouldn't want it to unscrew slightly in the middle of a dive when I turn my head or something. That would be a disaster.

I need to be able to clamp this thing down nice and snug onto the DIN fitting and still have some motion to it.

JDostal
August 23rd, 2004, 01:28 PM
I do know that when I REALLY crank my regulators down (like when I really screw my reg tight into my tanks) it won't swivel. It seems that when I really tighten 'em down, it tightens up enough to "lose" the swivel.

nyresq
August 26th, 2004, 02:01 AM
If your reg has a DIN fitting, then when the din is very tight, it won't swivel... it should only be finger tight. with the captured O-ring it doesn't have to be tight to seal right.
The part of the din fitting face that holds the O-ring is solid mounted into the reg body. the din face is not mounted on a swivel. The face and the shank that the threaded part spins around is a threaded tube and screws into the body. If your reg was spining before it may be because the o-ring was worn out. With a new soft oring it will move a little but it won't exactly spin freely. If you have one of the older poseidons that have a true yoke fitting (not a din-yoke converter, which is rare) then yes the yoke should spin with very little resistance. if it doesn't it may be because the yoke nut was cranked down too tight, or the oring is missing and the nut bottomed out on the yoke.

alemaozinho
August 26th, 2004, 02:14 AM
Poseidon is known for unusually expensive parts charges. You might be better off switching to something else like Scubapro or Apeks.
hahahahahahahahahahahaha,rotfl :crafty:

alemaozinho
August 26th, 2004, 02:18 AM
Poseidon is known for unusually expensive parts charges. You might be better off switching to something else like Scubapro or Apeks.
65 bucks parts and labour too much for having the most reliable reg between your teeth?????? ;)

matt t.
August 26th, 2004, 06:16 AM
Sounds like something's not right and I would take it back. Lately from some of the stuff I've been seeing and personally experienced it seems like alot of shops have trouble servicing ANY brand of reg correctly the first time! As a side note, when you have the tank valve open (pressure ON), nothing should swivel on the first stage (because of the air pressure), so I wouldn't worry about it coming off during a dive.

para45lda
August 26th, 2004, 06:30 AM
I do know that when I REALLY crank my regulators down (like when I really screw my reg tight into my tanks) it won't swivel. It seems that when I really tighten 'em down, it tightens up enough to "lose" the swivel.

They switched the order on the re-assembly.

The orifice that holds the yoke is supposed to bottom out in the body of the first stage (hence the yoke will swivel) before it comes in contact with the yoke.

TAKE IT BACK!

Good luck

Wes

DennisW
August 26th, 2004, 10:46 AM
I think Wes is right. They did not assemble your regulator correctly. Make them fix it.

Mr Adams
August 27th, 2004, 12:33 AM
Hi

What you have is a so called lazy dive shop employee who didn't bother to run a secondary service check on your regulator after he completed the service work. The hoses in the wrong position on the first stage goes to show he doesn't wright down the configuration befor he breaks it down. There are hundreds of dive shop operators out there working on equipment they have no clue about. My suggestion is take a service program your self on scuba regulators if you can, and after you do, I guarintee you will never allow any shop nerd to touch your regs again, as for parts kit they all over Ebay.

Mr A

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