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Discussion in 'Other Guitars, other instruments' started by mlbchitown, Dec 12, 2019.
Have a slight knocking sound when pulling the bar back and forth.
There should be a small allen key set screw on the back side of the bridge, maybe just needs a little tightening.
Ok, that screw is missing. What does that screw control vs. the phillips screws on the front of the tremelo area?
Better to have a screw missing than a screw loose ... ???
I think the screw is the same size as the saddle height screws, if I remember correctly. Hope this answers your question. One person on TGP said it's the same as a Fender saddle height screw, so it should also be the same about a PRS saddle screw.
This is from the PRS website for the core model bridges:
The unthreaded tremolo arm fits into a hard plastic sleeve staying where you put it, via a small set screw on the side of the bridge that faces the tail end of the guitar (where the intonation adjustment screws are located) therefore it will not wobble or break off in the block.
The arm has an adjustable clutch.
Look here, at 14:25
The screws on the front, 6 of them, are the knife edge screws for pivoting.
The small set screw in the back right behind where the arm pushes in only adjusts the amount of friction on the arm itself so you can let it swing freely or have some tension on it to keep it in a certain position, or at least to keep it from swinging.
Ok, I think I never noticed because something inside hold the bar fairly snug. Looks like a simple fix if I can find the right screw. I don't hear any knock without the bar when moving the bridge.
There is some type of 'bushing' inside the hole that holds the arm, but a set screw will keep it from free swinging if you don't want that.
Maybe for giggles take out one of your saddle height screws temporarily and see if it will screw into the hole?
It's probably a metric screw size. I'd email PRS to confirm size. Always had a great response from them when I've asked a question.
This was the fix. Used a saddle screw for now. Perfect. Thank you.