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Hw100 Leaking And Low Power.. Help Needed Please!

Discussion in 'Technical' started by littleJon365, Oct 22, 2020.

  1. littleJon365

    littleJon365 Democracy unless they disagree

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    Hi all,

    I need a little help sorting out this HW100.
    At first it was leaking air. I checked the cylinder on its own which was fine but was leaking underneath the rifle(reg area?) with I connected the cylinder. I took the brass inlet valve out and noticed no large O ring behind as it says it should on the exploded diagram.
    F89DF0B3-2CA1-4DB4-9962-935288FA46F6.png
    So I put one in behind the valve and the small one at the front as I picked up a full pack from @HW100Tuning.
    4E490A3D-809F-4CCF-9AA1-808CCDC1F717.jpeg
    It held air So I put it all back together again and it only reads low 8 Ftlbs. I Checked the breach seal but all’s well there. I took the back plate off from the Anti tamper and it looks like it’s been cut (badly!).
    A5BFCBFA-9BA7-478C-9F4A-713A28BFFD3E.png
    I can’t see how it would just be just a hammer adjustment to come up to early 11’s. Any other advise as to what it could be as I’m a little stuck :confused:
    I want to try and sort myself before paying out anymore.

    many thanks :thumb:
    Jon
     
  2. HW100Tuning

    HW100Tuning Crom is your Göd

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    The oring is there...... it has been pushed into a box shape and it is damaged
    littlejohn.png

    There should be a groove there where the new oring sits. If you put one on top then the pin from the reg piston won't work properly. If you put an oring on the brass nipple on the back, it will still leak slowly from the oring I pointed out.
     
    Blackmax and littleJon365 like this.
  3. Deejayuu

    Deejayuu Donator

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    May be, though unlikely, that fitting an O ring has moved the valve position away from the reg. stem a little. Reg, pressure could now be different to original.
    Did you change the small O ring inside the valve?
    Are you able to check reg. pressure?
     
    littleJon365 and HW100Tuning like this.
  4. littleJon365

    littleJon365 Democracy unless they disagree

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    Ok, I did think it was at first but it’s solid and doesn’t feel like an O ring. I’ll pull that apart and see if I can dig it out.
    Thanks
     
  5. littleJon365

    littleJon365 Democracy unless they disagree

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    No I can’t check it. Power has stayed the same. Checked it when it was slowly leaking and then checked it once the leak had stopped. Same out come.
     
  6. HW100Tuning

    HW100Tuning Crom is your Göd

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    They are compressed for a long time under great pressure. They form the same shape as the groove and go very hard and brittle. but... It is there!!! ;)

    Make sure you get it all out and don't scratch the insides. - Grease the new oring before inserting.
     
  7. littleJon365

    littleJon365 Democracy unless they disagree

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    Steve,

    thanks. It was so flat when I looked at it I thought it couldn’t be. All working as it should now. cheers
     
    Blackmax and Gary Jones like this.
  8. HW100Tuning

    HW100Tuning Crom is your Göd

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    No worries - glad you got it sorted :thumb:
     
    littleJon365 likes this.

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