I have installed one on my 10/22 and it works perfectly.
Be sure the assembly is free of binds and the black lever on the same pin is on the inside and is also free to move.
Looking down on the trigger group as it faces forward, the bent finger of the spring on the right should be on top of and in the notch of the lever on the assb. pointing to the right. The straight finger of the spring should be under the same pin that holds the release assb. in place.
Without eyeballing it myself, that's about the best I can do.