I don t have a picture of the truss rod handy but my 1938 washburn was gibson built and has the same truss rod.
Gibson truss rod maxed out.
I was rather surprised to see it when i popped the neck off.
Don t add washer make a spacer from an old nut.
This job used to be so hard that guitar necks got thrown away as unfixable dan erlewine shows that it s now pretty simple with stewmac truss rod rescue to.
The washer really a spacer in htis application moves the nut.
The truss rod is there to counteract the tension supplied by the strings on the neck which cause it to want to curve upward.
You can see about 1 8 of rusty truss rod sticking out of the adjusting nut.
This video assumes you are.
I have a fender jaguar from the 90s that had a maxed out truss rod.
The truss rod is as tight as it will go and the neck still has way too much relief in it.
It s just that the nut has found the limit of the.
Normally tightening the truss rod would pull the neck back into line but this rod seemed to be as tight as it could go.
That s a sign that the truss rod s been tightened to its maximum and beyond.
I saw your youtube video about your truss rod rescue tools and purchased the spacers immediately.
The threads on the rod and is up against the solid non threaded main section of the rod.
When a rod is maxed out like yours is it s not.
6188 for 10 32 rods used on gibson.
It s in a five piece laminate maple walnut neck.
Since the truss rod was maxed out and couldn t get the neck any straighter i first did a heat press on the neck which i set up to introduce a good bit of back bow with no string tension and the truss rod completely relaxed.
Make a spacer standoff instead.
The truss rod has more than enough adjustment room now.
That the rod can t handle any more load tension.
Some older untouched instruments may also show resistance when the threads between the rod and nut corrode.
Finding the exact size washers is near impossible.
Truss rods can break if too much tension is placed on an already maxed out truss rod so caution is warranted.