Below is a link to a thread I started back in Jan when I had a broken head lite.
https://www.thorforums.com/forums/f8...ens-20476.html
It may help in some adjusting/replacement. I had a time getting them adjusted and I may still have to do some fine tuning. I'm not sure what size or type end I used to adj. I should have made a note of it. You may can get some info off one of the links.