HPA issue

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  • edoz
    Registered User
    • Jul 2006
    • 24

    #1

    HPA issue

    I've just switched to hpa on my mag and I'm having a problem. The first shot in a series is fine, but then they drop off. Wait a few seconds and you get one good one again, and then more low shots. The shots don't continually drop off to nothing, but they seem to find a resting place that gives 20 or 30 feet less range than the first one. I guess I'm having a flow problem, but I'm not sure where. I only noticed this after switching to hpa, and I didn't think to chrono it again and check out what my velocity was doing.
    The setup is like this.. old automag with the original A.I.R. valve, serial number in the 3000s. I'm guessing level 7, everything is stock. PMI 72\3000 air tank, screwed into the asa that came with the marker, (has AGD logo etched on it) and about 12" of stainless line running straight into the valve with a quick connect. I hope that's not too much info, but I want to make sure you guys have enough to work with.
    Any help will be appreciated, thank you.
  • rb211
    Poodles suck!
    • Apr 2004
    • 438

    #2
    Try unscrewing the tank a quarter or a half turn. PE tanks are kind of sensitive to the pin valve being pushed in too far.

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    • flyingpootang
      Magtechian with X disease

      • Dec 2005
      • 2276

      #3
      You didn't mention if it was a high output tank or not. Lp tanks will not work and will give you problems you listed..

      Comment

      • edoz
        Registered User
        • Jul 2006
        • 24

        #4
        Originally posted by flyingpootang
        You didn't mention if it was a high output tank or not. Lp tanks will not work and will give you problems you listed..
        If it's output pressure you're talking about, it's fixed at 850 psi. If that's not it, you'll have to clue me in.

        As to the first reply, could it be that easy? I'll try that quarter turn and see what happens.

        Comment

        • athomas
          Of course it works-its AGD
          • Jan 2002
          • 8039

          #5
          If the ASA or tank pin is too long it can shut off the air supply instead of allowing it to flow.
          Except for the Automag in front, its usually the man behind the equipment that counts.

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