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Changing mainspring on S&W

john carrjohn carr Member Posts: 1,717 ✭✭✭✭✭
edited May 2013 in Ask the Experts
Is it necessary to remove the sideplate when changing the mainspring on a S&W Model 36? The trigger return spring doesn't need replacing.
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    rufe-snowrufe-snow Member Posts: 18,650 ✭✭✭
    edited November -1
    The head portion of the mainspring rod has a stirrup shaped end, that engages a pin in the hammer. The bottom portion of the mainspring rod has a hole in it. Put a paperclip in this hole, after cocking the hammer. Release hammer very slowly and carefully. Should be enough clearance to get the mainspring assembly out.
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    john carrjohn carr Member Posts: 1,717 ✭✭✭✭✭
    edited November -1
    O.K. thanks. I had thought there may not be room to disengage the upper end unless the sideplate was removed.
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    v35v35 Member Posts: 12,710 ✭✭✭
    edited November -1
    You might find either a yoke or ball end on the hammer spring rod.
    Either way they come out the same way.
    No need to remove the sideplate.
    If you do want to remove the sideplate, remove the hammer spring first.
    Dry firing with the sideplate removed risks loosening the hammer pivot pin. That's bad news to repair.
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    john carrjohn carr Member Posts: 1,717 ✭✭✭✭✭
    edited November -1
    Yes, I hoped that this would have that ball/socket attachment but looking on the Net most say that this was on the very old 36's and Chief Specials. I try to stay away from lockwork but this looks like something I might be able to do.
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