Pro carbine oring on valve?

[DeadEwok]

Hey everyone I really appreciate all the help. She is up and singing. I'll be going out tomorrow to put some welts on some people for the first time in 15 years and I'm pretty excited because I think it'll feel like I'm playing with my dad again a little bit. Anyway I appreciate all the help. Here's a shot of her. I put some duracoat on her probably about 10 years back but she hasn't seen any action. Anyway I'm pretty excited thanks again. If I have any troubles I'll know where to come. Happy paintballing folks.

[Chappy]

That looks right to me. I haven’t opened one in a long time but that matches the diagrams I’m seeing as well

[DeadEwok]

Thanks Chappy. It's sort of weird I don't know. My wife thinks it's silly but some of the best times I had were with my dad paintballing so anyway. I got the new valve stem in today before I put it all back together does this does this look like the right orientation? I got this little top hat on the very far left then the new valve stem the spring and then the I guess the plug or whatnot.

[Chappy]

Keep us informed, we’ll help you get the ole beast singing.
I ❤️ procarbs and sentimental gun stories.

[DeadEwok]

Cool thanks for the response in the o-rings gentleman. Also thanks for the response on the pressure. I've been using HPA but maybe I should get a hold of a CO2 tank. I really want to get this gun up and running it's sort of a weird thing but it's very sentimental. My dad and I used to play a lot and he died when I was kind of young and this was his gun. The autococker I'm working on rebuilding in another thread was mine. Now I have a son of my own and he's about paintball age so I want to get my autococker running and give it to my kid and I'll play with the pro carbine.

[Trbo323]

it and turn the pressure up on the thumb screw on the bottom.

That's a velocity screw it has nothing to do with pressure there is no regulator on those markers unless you install one aftermarket which is fairly pointless because they were designed around fairly high pressures of CO2

The easiest way would be if you have a CO2 tank sitting around plug that in

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[Jackson]

I agree. The reducer o-ring size is 1x4.5 (1mm cross-section, 4.5mm ID), Buna 70. It helps to have bunch on hand as they MUST be replaced every time you remove the reducer. They get mangled squished to death on installation. I have had success running without the o-ring and instead wrapping a bunch of Teflon tape over the sealing surface on the reducer. But it is fiddly and prone to leaking unless tightened down a lot. The proper o-ring is the right answer.

[Chappy]

The reducer oring looks right to me. It is pretty damn thin. And I’ve had luck with random small orings in its place so not surprising there was a different one in there that did the trick.

[Brokeass_baller]

I believe you can use a 1/2" c-clip for the valve. Take the spring clip with you to Home Depot to make sure.

*Internal snap ring would be the proper name.

[Chappy]

If you do not know the pressure of your hpa tank then you need to find out. If it is not at least 800 then that is likely your problem and everything else is pissing in the wind.

[DeadEwok]

Oh one more question sorry. Does this look like the right reducer o-ring the one that goes from the braided hose up into the valve? It's the only one that's remotely close that comes with this o-ring kit that I bought for this specific marker but what came out when I pulled it apart was not that it was this mushed up totally jacked up thicker o-ring so I must not have put the right one in 15 years ago or I don't know. It's the thin one in the picture

[DeadEwok]

Alrighty I'll throw the new valve seal and stem in when I get it and turn the pressure up on the thumb screw on the bottom. I don't know of any other way to make the pressure higher? Any idea what size c clip I should buy for the back of that valve? That's stupid spring clip is terrible. I cut myself twice trying to get the damn thing off

[Trbo323]

I would replace that valve stem but it still could be your input pressure, those really like high pressures even just to seal when sitting still

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[DeadEwok]

Yeah I replace both of those as seen there in the picture. I have a bunch of o-rings and this one appears to be the right match versus what came off. When I cock it it's still leaks down the barrel. And if I fire it just like goes full auto mode. Now I do remember it does that when it's close to running out of air and my tank is getting low however the leak down the barrel is what I'm more concerned with. I did remove the old cup seal and flip it over just to see and I still have a leak. Also the shaft looks slightly bent so I have this sneaking suspicion is probably not sealing. I have a new one coming in the mail we'll see. Thank you so much for the advice any other last minute tips while I wait for the new valve and seal let me know. Edit I also don't know my input pressure. It's just coming off of an HPA tank standard.

[Trbo323]

Did you replace the o ring that was underneath this guy? If my memory is correct it's a 012

Don't need any o ring on the valve stem

What's your input pressure?

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