>>1034043>>1034044>>1034061>>1034074I just went and grabbed one of my old 8-speed Shimano derailleurs out of the garage. Your first picture is correct, the spring is supposed to go over that little silver stud on the outer parallelogram plate.
>>1034046 is correct, you can NOT attach the spring to the black inner plate.
I'm not sure why yours keeps coming off, but here's a picture of what it's *supposed* to look like
