Those screws have grooves in them. The body of the bridge has a knife edge that rides or pivots in those grooves. If the edge is mashed down, or the grooves are torn up then the tremolo is not going to work.
It's important when making adjustments for the bridge plate height that you lower the tension on the strings. You shouldn't try to adjust that with full tension on the strings. You don't have to remove them completely, just lower the tension to about 20%.
If the threads are worn so that the screw is too loose in the threads, then it might cause a problem. But the string tension should take care of that.
I saw someone on the G&L site say they needed to go from 2 to 3 springs in the tremolo inside the guitar body to get it to stay in tune.
It could also be the nut. The slots have to be big enough for the strings that you are using.
There are a lot of things that can cause a guitar not to stay in tune very well. The best I have are my Squire Classic Vibe Tel's and my parts caster with the Floyd Rose. I have seen those guitars stay in tune for months!
Hey CapnDenny1 May have a bigger issue then I think, took everything apart again and paid attention to a lot of things you guys said, and it turns out I think, the hole fulcrum vibrato is shot.
The two sharp edges, are in bad shape flat area the two floating screws are loose in the thread one more then the other, and the saddles are really grooved strings imprinted so I think it’s going to cost me a full vibrato...
My only worrie is even with new screws that comes with the hole kit, will they be tight in the female side.....???
Wow costly learning curve...
