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Hw98 help

Discussion in 'Anything Airgun Related' started by robstat, May 26, 2014.

  1. robstat

    robstat Well-Known Member

    Messages:
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    Location:
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    I need some help for a friend of mine. I sold him my tuned hw98 about 6 weeks ago which for me had been running very sweet, while halfway round a hft course his gun broke so I bought it home with me and it turned out the cocking arm had come away from the shoe so 5 minutes later I had it fixed, thinking that last time it was apart maybe I had not clipped it in properly but this time now I know I had. He has just phoned me the after the first shot while out rabbiting it has happened again. Although the gun is maybe 5 years old it hasn't had no more than 3000 pellets though.
    What is it lightly to be the arm or the shoe?


    Many thanks Rob
     
  2. thumbhole

    thumbhole Keyboard Hero

    Messages:
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    Location:
    Stourbridge
    Who tuned it and is there any warranty with it if so you could return it for them to look at.
     
  3. robstat

    robstat Well-Known Member

    Messages:
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    Location:
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    No there isn't any warranty it was SFS tuned when new then I stripped it myself some years later and installed a piston reworked by Dave Hall (B&C) and has been faultless for years but I do think my mate is a bit heavy handed.
     
  4. 177

    177 Donator

    Messages:
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    Location:
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    I've had an instance where a heavy handed mate overexerted the gun when cocking and the small 'spur' on the cocking shoe was forced slightly out and too far back. It was a tiny tweak but enough to allow things to disengage.

    It can only be one of two things so, if it was me and my gun, I'd replace both to be on the safe side.

    Can you provide detailed photos of the cocking shoe ?

    If it's out of whack a visual inspection might not pick it up, but it might...
     
  5. robstat

    robstat Well-Known Member

    Messages:
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    Location:
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    No I haven't got the gun at the moment so I can't do photos
    I'll advise him to replace both then, I've checked on chambers and they are only £20 ish for both..
     
  6. robstat

    robstat Well-Known Member

    Messages:
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    Location:
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    Just a heads up, I sorted the 98 out tonight and replaced the shoe and arm. The shoe was bent to an unbelievable degree and he had also almost pushed through the piston liner. It now feels a bit notchy while cocking because of the dent in the liner, I know it wasn't like it a few weeks ago because I stripped it just before he had it.

    I think that he has only put maybe 200 shots through it since he had it, are they really that weak if handled a bit rough?
     
  7. 177

    177 Donator

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    Location:
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    I was given an HW80 last year where someone had bent the cocking shoe by over-exerting on the end of the stroke. Instead of just easing it in until you feel the click of the piston rod engaging with the trigger, the owner had 'bullied' it in so hard the cocking shoe was horribly bent.

    I replaced the shoe and made a PTFE piston liner and the gun shot perfectly fine from then on in. I then tuned it, a lot :)

    It's a relatively small component that wasn't built to take high load so it's hardly surprising that it suffers when placed under excessive force.

    Operator error - nothing wrong with the parts provided they are used reasonably.
     

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