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Leaky Ultra!!!!!

Discussion in 'Anything Airgun Related' started by jay5488, Jun 26, 2014.

  1. jay5488

    jay5488 Donator

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    So after using Steve's idea of a balloon on my barrel and air cylinder I've isolated the leak to the filling valve!! Does anyone have the size of the o ring to hand before I rip it to bits please????

    Cheers

    Jay
     
  2. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    dont have the size mate, but I'm positive I have a spair!

    can't check till I get home though:)
     
  3. jay5488

    jay5488 Donator

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    That'd be great pal, if you have one I'll measure it up and send it back!!!!!
     
  4. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    It's yours mate!!
     
  5. Billboy

    Billboy Active Member

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    Hi I don’t think you will need a new o ring, its more than likely a bit of dirt on the knock off pin. Empty the reservoir of all the air, unscrew it from the action and you should see a brass cap with holes in, unscrew that carefully as there's a spring Inside, take the brass collar out and the spring out. You should then see a plastic tip of the knock off pin, take that out and give it a clean and also clean out the valve body, put it all back together and fill it, you should have no more leaking from there.

    Hth, billy
     
  6. jay5488

    jay5488 Donator

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    Already done that pal, this was my first thoughts!!! I think it's the seal as 2 of the other seals were in pretty bad shape when I first stripped The rifle for some maintenance!! The rifle is only around 5 months old, I am appalled at BSA's qc and have said so in an email to them a while back....
    Thanks for the help!!

    Jay
     
    Last edited: Jun 26, 2014
  7. jay5488

    jay5488 Donator

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    Right, I'm feckin fuming now!!!!!!!!!!

    I've just had a look to take the fill valve out and found it to be as slack as a bag of crackers, I'm getting so p*ssed off with BSA's crap quality control, build quality and general slap dash attitude to what is essentially a rifle and 232bar bomb!!!!!!!

    This was the only part of the rifle that has not been touched by my hand, I've put all they're other mistakes right but I can feel a very strong worded email to bsa in the morning!!!!!

    Cheers Steve but I might be ok, I'll monitor it and let you know if it still leaks......
     
  8. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    Is this the one you need mate,

    ill send it down mate, I have an XTX gauge, so this is spair,

    you can have the hole valve if needed:)
     
  9. jay5488

    jay5488 Donator

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    That's the puppy, just leave it with me as it may have been just a loose valve, I've filled it with air and I've got a condom (I'm out of balloons) over the air cylinder! If it's still leaking I'll have that off you pal!!!

    Cheers

    Jay
     
  10. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    No bother mate,

    just give me a shout!!
     
  11. Billboy

    Billboy Active Member

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    sorry I had miss read your post.

    This may be of some use to you. The filling valve can be striped and cleaned very easily, it shouldn't be loose as such, it will turn all the way in to the cylinder near enough, there is a locking ring which tightens it up, its threaded in then the locking ring is turned in and the valve turned out tight to the ring. Anyway, if you take the locking ring out, by turning the valve clockwise a bit 1st, take the valve out and on the back of it there will be a large grub screw, take that out and the spring out, a ball bearing will then come out, behind the ball is an o ring, give it all a clean and replace it all making sure the o ring is seated properly 1st and that should be it hopefully, ive had a leak from the fill valve and the firing valve on my old scorpion, not at the same time, it used to live in a wool lined bag and id leave it in the bag to fill, it was the wool getting in that was cause my leaks, any way hope you get it sorted.

    Cheers, billy
     
  12. mattyts

    mattyts Donator

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    If it was pinched during assembly,no one would have noticed and because it was under pressure,the seal would have still worked.

    Problems start to appear when the seal is re-seated in a different position and it no longer works,hope you get it sorted! :)
     
  13. jay5488

    jay5488 Donator

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    That's what I thought, but 3 pinched seals on one rifle????? Really!!!!!!!!!!
     
  14. El Caro

    El Caro Keyboard Hero

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    We are talking BSA here so nothing should surprise:D
     
  15. jay5488

    jay5488 Donator

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    In BSA's defence, the rifle is a good design it's just really let down by very poor assembly and sub quality components!!!
    I've changed and modified loads of parts and it's almost like a proper ultra should be!!
     

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