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Thread: Original/Diana 75 losing power

  1. #1
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    Jul 2016
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    Original/Diana 75 losing power

    As above my recently aquired 75 is down on power, who services them ? i understand they are a bit complicated

  2. #2
    Join Date
    May 2008
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    Quote Originally Posted by robthedog View Post
    As above my recently aquired 75 is down on power, who services them ? i understand they are a bit complicated
    Here you go Rob.

    I hear good things about this member's work on Giss system guns. :-

    http://www.airgunbbs.com/member.php?154407-DM80



    And I'm not sure if Phil at Ratworks near Desford does them as that could be your nearest option.






    All the best Mick

  3. #3
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    Jul 2016
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    Quote Originally Posted by T 20 View Post
    Here you go Rob.

    I hear good things about this member's work on Giss system guns. :-

    http://www.airgunbbs.com/member.php?154407-DM80



    And I'm not sure if Phil at Ratworks near Desford does them as that could be your nearest option.






    All the best Mick
    Thanks Mick

  4. #4
    Join Date
    Jul 2016
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    Just took out the breach washer(it was slightly off centre) put a thin plumbing washer behind it, & its back up to full powerwell 6ftlb from 2ftlb anyway

  5. #5
    Join Date
    Jul 2015
    Location
    Hastings
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    1,498
    Rob,

    The 'issue' with the 'Giss' Diana's is that certain bits were selectively fitted.

    The breech washer, the end-plate (under the end-cap) etc. came in several different thicknesses.

    Fine for the factory, but a pain in the ar3e for the rest of us

    Mr. Dave Mercer is THE chappie for fettling the Diana 'Giss' rifles & pistols.

    Have fun

    Best regards

    Russ

  6. #6
    Join Date
    Jul 2016
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    Grantham
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    Thanks Russ

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