When a truss rod nut is difficult to turn it could be that the rod has met it s limit of adjustment.
Allen key stuck in truss rod.
This time he showed how to adjust truss rod on a martin acoustic guitar.
There are three main reasons why you might have a problem with a truss rod nut.
Includes a 4 1 2 bent leg.
Not every truss rod uses an allen key for adjustment for example taylor guitars need a special phillips head screwdriver and a 1 4 nut driver.
Different manufacturers put them in different places but they re usually at the headstock under a cap just behind the nut or where the neck joins the body just under.
You can adjust the truss rod with a nut located at one end.
Some require a hex key allen wrench while others take a flathead or philips screwdriver a nut driver a mini socket wrench or a small metal rod.
I didn t want to risk damaging the hex head and or the guitar by trying to use adapt a standard profile hex key.
This tool is made for the job.
Truss rods can break if too much tension is placed on an already maxed out truss rod so caution is warranted.
Here is edwin s another guitar tip.
But if your guitar has the original truss rod some squiers take a 3 16 allen key.
The neck of most guitars has what s known as a truss rod which is a one or two piece adjustable metal rod that goes down the inside of the center of the neck.
Use the martin guitar allen truss rod wrench to adjust your guitar s neck to achieve the action you desire.
If you ve ever adjusted a truss rod that was so tight you could barely turn it watch this video.
Truss rod is hard to turn.
Martin acoustic guitar needs special allen or he.
That s about 4 75mm so metric keys aren t going to work.
It fits well into the truss rod end and enables easy.
The business end of the truss rod is recessed deep within the sound hole.
Truss rod tools vary as well.
The truss rod on my martin gpcpa5k needed some minor adjustment.