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Old 05-30-2020, 07:02 PM
Mirosh Mirosh is offline
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Join Date: Oct 2019
Location: Duluth, Minnesota
Posts: 153
Default What if I unscrew the truss rod too far?

Trying to understand truss rods on my new Yamaha FG800 and AC1R. Both have a 4mm hex fitting near the bottom of the fingerboard.

1. Does that 4mm hex tool turn the rod, or a threaded nut that's on the rod?

2. Is unscrewing (loosening, turning counter-clockwise) going to hurt anything if I go too far? Or will I just have a detached nut in my hand, or a threaded rod that needs to be restarted in its fitting up near the headstock?

3. On the AC1R I get a lot of resistance going clockwise. I'm curious what's going on - something bottoming out? The relief is good at a bit under .010 inch.

Thanks, all!
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