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Avratech Home of the Retro 7

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Old 04-12-2015, 08:57 AM   #1 (permalink)
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Avratech Bolt

Hoping to get some newbie help. I recently bought a Gen 3 Retro 7 from the classifieds here. I played with the gun for one day and took it home, tore it down and cleaned it. I went to use it yesterday and now it just keeps leaking the entire 12gr's as soon as they are punctured. I tore it down and compared it to my Phantom assembly. The only difference I saw is that the Gen 7 bolt is missing the adjustment screw that the Phantom has. It's just completely open through the bolt. Do these use the same bolt as a Phantom or is this how the Avratech bolts are supposed to be? Thanks in advance for any help...
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Old 04-12-2015, 09:00 AM   #2 (permalink)
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There should be an open brass adjuster in there. If your leaking the co2 then the problem is somewhere in the valve or possible your spring is holding the powertube open. Try to turn the adjuster out and see if that helps.
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Old 04-12-2015, 09:04 AM   #3 (permalink)
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It is a propitary bolt. It is slightly longer than the phantom bolt, is tapped for two pump arms, does not use a grub screw and has a massive open tpc.

You can swap the tpc out for a phantom tpc. Just swap the main spring for a red (stiff) main spring.

Venting is likely due to the face seal on the puncture assembly being dirty, damaged or missing.
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Old 04-12-2015, 09:51 AM   #4 (permalink)
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Thanks. So the problem is not the bolt at all. My bad. I pulled off the valve and inspected and cleaned the o-rings and did the same to the puncture assembly. It is leaking out the front of the valve. Am I able to take apart the valve and check any seals inside of it?
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Old 04-12-2015, 09:54 AM   #5 (permalink)
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Yes,

It opens exactly like a phantom valve. If it is leaking out the valve it will be the cupseal 99% of the time. Again, loose, dirty, damaged or blown.

Easy fix, it should be the same seal as a phantom.
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Old 04-12-2015, 12:15 PM   #6 (permalink)
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I swapped the whole valve with my phantom and it still leaks. Is there any seal other than an o-ring on the puncture assembly?
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Old 04-12-2015, 12:28 PM   #7 (permalink)
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Yes. There is a seal that surrounds the puncture pin. It should be a flat seal.

I will try and get you some pictures soon.
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Old 04-12-2015, 12:30 PM   #8 (permalink)
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Is the valve spring in the valve body and seated properly at the back of the cup seal?

If the cup seal is good and screwed in properly to the valve, and the spring is in correctly, and the valve seat o-ring is good and tight, you should be able to air up the gun without the grip frame or main body attached and have no leaks.
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Old 04-12-2015, 12:32 PM   #9 (permalink)
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Ah-ha! That must be the one I'm missing. All I'm seeing is the o-ring. Thanks! Not sure where I'm gonna get the seal but that's most likely the prob.
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Old 04-12-2015, 12:35 PM   #10 (permalink)
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Generally, like Stilgar wrote, if CO2 is blowing out of the valve tube, the most likely culprit is a cup seal or missing/malfunctioning spring. As you can see from the paucity of parts, there aren't too many possible culprits in the valve assembly!
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