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BSA Lightening Workshop Manual?

Discussion in 'Anything Airgun Related' started by Frenchie, Mar 7, 2009.

  1. Frenchie

    Frenchie Engaging Member

    Messages:
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    Location:
    Bacup, Lancashire.
    Hi guys, hope one of you can help me out. I have just bought a second hand BSA Lightening (Turning out 11 ft/lb on the chrono using 17g Coppa Point Pellets) and would like to strip, check and "tweak" it a little (New seals, spring, etc.). Can anyone tell me where to find a "Workshop Manual" to help with details of stripping and rebuilding it please?
     
  2. 12BoreMax=P

    12BoreMax=P Posting Addict

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    Location:
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    no clue on the manual mate i was lookin for 1 when i had mine

    but watch out for that trigger mate its a right t**t to strip !
     
  3. Andy

    Andy Administrative Staff Member Founder

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    Location:
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    Try this method.

     
  4. Frenchie

    Frenchie Engaging Member

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    Location:
    Bacup, Lancashire.
    Nice one Andy. When you say "A tuning fork shaped tool" that can be made from a piece of broom handle, can you "enlarge" on this please as this is what I am stuck on. i.e. What size and shape etc?
    Thanks mate!
     
  5. Andy

    Andy Administrative Staff Member Founder

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    I didn't write the above just copied it, but it will mean something that you can put inside the cylinder that will bypass the pin to push on the spring so that it releases tension away from the pin so you can remove the pin.
    Or just find two items you can put in the cylinder either side of the pin and press down on the spring, while you remove the pin.

    This is where a spring compressor comes in handy. ;)
     
  6. j.stuart

    j.stuart Banned

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    Location:
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    Andy is correct but my method is simply put the rear end of the tube on the floor and press hard and then whack the pin out.2 of you would make it easier.
    by placing the rear of the cylinder down you are compressing the spring as well as the safety point, the rifle will raise and the spring will un tension rather then just fly out and smack you in the face,so be sure to do it with the rear of the cylinder in the ground.
    putting back together is the hardest and you will need 2 of you,one to hold the spring compressed whicle the other smacks the pin back in.
    make sure it is full compressed when you put the pin in as if you dont the spring will push the pin and bend the cylinder hole where the pin goes in.
     
  7. Frenchie

    Frenchie Engaging Member

    Messages:
    267
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    16
    Location:
    Bacup, Lancashire.
    Thanks for all the help guys. I'll give it a try and fit new Ox Spring, Piston Seal etc and then see what it says on the chrono. Any other tips on tuning the Lightening would be helpful as well!
    Once again Thanks Guys!
     
  8. davy1977

    davy1977 Member

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    Location:
    runcorn
    hi i might have somthing that might help you will need your email to send
     
  9. Frenchie

    Frenchie Engaging Member

    Messages:
    267
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    16
    Location:
    Bacup, Lancashire.
    Thanks for the offer Davy1977 but I have had the Lightening re-chronoed at Manchester Air Guns and it shows that it is putting out 11.2 ft/lbs using 17g Coppa Point Pellets (Which I quite like and so does the gun) so they advised me to leave well alone as I would only gain about 1/2 a ft/lb by fitting a new spring and piston seal etc. This power gain is minimal to me as I might well be trading the gun in for a .177 or doing a part-ex with it against a second hand O&U 12 Bore when I get my SGC through.
    All the same, thanks for the kind offer, it is the helpful and generous people like you who make this forum worth while!:up::up:
     

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