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Thread: removing air cylinder

  1. #1
    Join Date
    Mar 2008
    Location
    uxbridge
    Posts
    226

    removing air cylinder

    how can I remove air from cylinder on bsa scorpion , I cannot dry fire, as its not working, there is no pressure gauge either.
    thanks steve

  2. #2
    Join Date
    Mar 2009
    Location
    durham
    Posts
    3,454

    removing air cylinder

    If you're not sure about it best to leave it to a gunsmith competent with pcps.John bowkett is who I'd recommend. You can release the air by stripping the hammer & trigger mech off then hitting the end of firing valve with a punch & hammer a few hundred times.....Or if it's still under warrenty & not been tampered with send it back to bsa to fix.

  3. #3
    Join Date
    Sep 2016
    Location
    Near Bury St Edmunds
    Posts
    361
    Oh gosh that's an extremely sticking situation to be in. What ever you do, be careful. There is a heck of pressure on there, even if it's "low" on air.

    I try many things (not what your thinking! ) but I would leave that to someone who knows what they are doing.
    BASC Member

  4. #4
    Join Date
    Mar 2006
    Location
    Lisboa, Portugal
    Posts
    128
    Instead of "hitting the end of firing valve with a punch & hammer a few hundred times." perhaps you could use one clamp (with enough lenght), one tip at end of the cylinder, and the other tip on the punch and turn until the valve open to vent the cylinder.
    That's only an idea...

  5. #5
    Join Date
    Aug 2015
    Location
    manchester
    Posts
    7,674
    Give it to a qualified technician. Even a mere 50 bar of pressure released suddenly is able to do serious damage to a human being.

    A.G

  6. #6
    Join Date
    Mar 2008
    Location
    uxbridge
    Posts
    226

    scorpion

    managed to cut an allen key down and push against the ball bearing , messed oring up but did the trick with no danger

  7. #7
    Join Date
    Jul 2003
    Location
    peterboring
    Posts
    18,893
    i did my s200 and s400 by putting them on a stirrup pump and they bled out.
    the only thing i can find wrong is the nut on the steering wheel.

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