[Red Tornado]

I got a Savage model 12, used, and promptly took it apart to adjust the trigger. There's one screw that holds tension on a wire. I loosened that a few turns, and reassembled w/ no problem. After I did that I noticed that the safety was no longer working. It moves, but the trigger pulls even with the safety on. So, I adjusted the trigger back to where it was, but the safety still doesn't work.

Any ideas? Can I take apart the trigger assembly and adjust the safety screw or do I just need a gunsmith? Any help will be gratefully appreciated.
Thanks,
RT