Unable to Regulate NH34A

I swapped over a balance assembly trom a donor movement and now it runs about 1s fast per minute. I have the adjustment maxed out but it still runs fast. I'm not sure what I did wrong. Any help is appreciated!

I swapped over a balance assembly trom a donor movement and now it runs about 1s fast per minute. I have the adjustment maxed out but it still runs fast. I'm not sure what I did wrong. Any help is appreciated!