Fernandes Atlas (MIJ) Truss Rod Question

[MYLOWFREQ]

Hi there,

I have a couple of Fernandes Atlas basses from possibly late 90's or early 2000's (MIJ). One of them has the truss rod cranked all the way clockwise, and even though the neck is pretty straight ,it would benefit from tightening it up a little more but I can't..

Question: Anybody knows what type of truss rod is used on these instruments? Is it possible to unscrew the head, put a nut, and get some more action? I would not do it my self as I don't want to mess it up, but I'm wondering if it could be fixed without separating the fretboard from the neck.

 

[jazz Bass 74]

In cases where the wood has been crushed as a result of over tightening the nut, Dan Erlewine suggests using spacers or washers:

"If the nut has been over-tightened to the point of crushed wood (like the Les Paul example), this is the time to add a metal spacer. It's a pretty small hole compared to the Gibson, however; I have sometimes made brass spacers on a small lathe in my shop for this purpose. At other times I've used small flat washers from the hardware store, ground or filed down so they'll fit in the hole. If you stop by a local machine shop and show them the problem, they can make you a spacer easily."

Here's an excerpt from Dan's book discussing truss rod adjustment:

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[Eilif]

Yep, just add a spacer. Either a hardware store washer or one of the specifically designed varieties from StuMac.