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Damaged truss rod nut
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Author:  Colin North [ Fri Nov 08, 2019 7:03 pm ]
Post subject:  Damaged truss rod nut

Got an Epiphone Texan (adjustable bridge) on the bench, truss rod is adjusted by what seems to be a 5mm allen headed barrel nut.
Seems to be a bit rounded off (not by me) and stiff.
I thought SM sold tapered allen keys for this kind of problem, but don't seem available.
Any suggestions?

Author:  Smylight [ Fri Nov 08, 2019 7:51 pm ]
Post subject:  Re: Damaged truss rod nut

Colin North wrote:
Got an Epiphone Texan (adjustable bridge) on the bench, truss rod is adjusted by what seems to be a 5mm allen headed barrel nut.
Seems to be a bit rounded off (not by me) and stiff.
I thought SM sold tapered allen keys for this kind of problem, but don't seem available.
Any suggestions?


They do have tapered profile hex keys in the form of screwdrivers. A very worthwhile addition to any tech's toolbox. Saved my butt countless times. But they are only available as hex keys.


Pierre

Author:  Colin North [ Fri Nov 08, 2019 8:20 pm ]
Post subject:  Re: Damaged truss rod nut

Cant get a straight screwdriver type into the nut pocket

Author:  Smylight [ Fri Nov 08, 2019 9:38 pm ]
Post subject:  Re: Damaged truss rod nut

Please post pics so we can help...


Pierre

Author:  Freeman [ Fri Nov 08, 2019 9:46 pm ]
Post subject:  Re: Damaged truss rod nut

Have you tried SAE wrenches? My shop notes say that both 1/8 and 9/64 are used on some t/r's.

Author:  Smylight [ Fri Nov 08, 2019 9:59 pm ]
Post subject:  Re: Damaged truss rod nut

Older (60s) Texans would have used the same truss rods as Gibson’s, with nut adjusters. Recent, Asian production likely uses the ubiquitous 4mm hex truss rods. A pic will help a lot.


Pierre

Author:  B. Howard [ Sat Nov 09, 2019 6:48 am ]
Post subject:  Re: Damaged truss rod nut

My experience with newer epi truss rods hasn't been good. The design is weak....using the reverse function of the 2 way rod unassisted usually results in breakage. The nuts are soft and strip quite easily. So again, always bend the neck by hand and take up slack with the rod when adjusting these.

Once stripped or the retainer broken.... It's replacement time.

Author:  Colin North [ Sat Nov 09, 2019 7:25 am ]
Post subject:  Re: Damaged truss rod nut

It's a 60's Texan, its a 5mm barrel nut on the truss rod, 6mm thread on single action truss rod and it's out.
Owner just turned up on my doorstep and when I showed him he gave me the courage to give it a tweak out (with lubrication)

Author:  Colin North [ Sat Nov 09, 2019 7:57 am ]
Post subject:  Re: Damaged truss rod nut

P.S. Found the SM wrenches I had searched for, but I was using the wrong search terms.
https://www.stewmac.com/Luthier_Tools/Tools_by_Job/Tools_for_Truss_Rods/Gripper_Truss_Rod_Wrenches.html

Author:  Smylight [ Sat Nov 09, 2019 8:31 am ]
Post subject:  Re: Damaged truss rod nut

Colin North wrote:
P.S. Found the SM wrenches I had searched for, but I was using the wrong search terms.
https://www.stewmac.com/Luthier_Tools/Tools_by_Job/Tools_for_Truss_Rods/Gripper_Truss_Rod_Wrenches.html


Congrats! Now that it's out, I strongly suggest you replace it...


Pierre

Author:  Colin North [ Sat Nov 09, 2019 8:44 am ]
Post subject:  Re: Damaged truss rod nut

Already ordered.
Hen's teeth apparently, but got one similar but slightly shorter, will pack out with a couple of washers all being well otherwise.

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