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Thread: Idiots guide to classic airgun strips (pt 1)

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    ggggr's Avatar
    ggggr is offline part time super hero and seeker of justice
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    Idiots guide to Bsa cadet/major strip (pt2)

    From her on its the same. The cadet and Major actually have the same trigger lever. Knock out the trigger pin and remove trigger, its spring and the little spring guide that looks like half a nail. You now need to unscrew the trigger block and may need a vice if the gun has not been apart for many years (or ever). On one I did I used the vice to hold the cylinder and placed a piece of thick flat bar in the trigger housing slot and levered it. (this was after plus gas and heat). This was why we removed the trigger--to allow this. Once undone,remove guide,mainspring and piston. Pison washer is leather held on by a special threaded nut. The piston rod used to be listed as a spare part but I dont know if it still is. Clean bits. See if trigger block will screw right home and slot line up with cocking slot. If not, Ive filed a touch off end of cylinder so you are not forcing thread on block. Lube and replace Piston, mainspring and guide and screw in trigger block. If you cant get proper mainspring then a meteor one cut to about 19.5 cm will do. Put guide pin in spring and locate and refit trigger and pin. On major refit sear and spring. Locate cylinder plunger and spring,refit barrel and then cocking arm. Replace action in stock and tighten stock screws. NEXT UP THE METEOR!



    Just adding this that Ray (Abellringer) put up to help clarify things about the stock screws.



    "Also posted in general airgun. This is in reply to a request to post an accurate thread size for the Front Stock Screws on both of these models. All of them are very similar and in fact will fit. It's worth noting there are two variations of screw; one has a reduced dia shank from the end of the thread to under the screw head; the other has the major dia all the way along to under the head. So starting with the correct one.

    1] 7/32" BSF 55deg angle inc. 28tpi 0.219" O/D tapping drill 4.6mm

    2] No 12 [7/32"] UNF 60deg angle inc. 28tpi 0.216" O/D tapping drill 4.7mm

    3] 1BA 47.5deg angle inc. 28.25tpi 0.210" O/D tapping drill 4.5mm
    Hope this helps in some way. "
    Last edited by ggggr; 08-10-2021 at 09:18 AM. Reason: Thread sizes

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