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Posts Tagged ‘adjustment’

I found this video which has some pretty good information about how to adjust you truss rod.  Be careful!  Broken truss rods are a very common occurance.  I’ve never broken one myself but seem to run into them all the time when friends ask me to take a look at their setups.  A misconception is that ratcheting on you truss rod can improve you action.  The truth is that you need to make minor adjustments and then check in an iterative manner.  If you crank too hard, it WILL break!

Tune the guitar up normally. Play the 12th fret harmonic, and compare it to the 12th fret note. If the Fretted note is Flat, move the saddle Forwards(towards the neck), and vice versa.
If you have a 6 saddle bridge like the one shown to the left, you’ll be able to adjust each saddle position independantly. If you have a single saddle, like most acoustic guitars, adjusting the saddle will affect more than one string so small adjustments need to be made and then rechecked after you work on the next string. Note that it’s probably a good idea to loosen you strings a bit before you attemp to move the saddle. This will help to prevent messing up the screw heads. 

You should consider setting the intonation when you change the gauge of strings you use.  The thickness difference can play a role in changing the intonation. 

You really should check your guitar manufactures web site for any information they have about setting the intonation.  Fender has pretty detailed instructions but is a little overwhelming.  Others are the same way, but you should check them out anyway just to make sure you’re not missing anything.  My experience, however, is that if you follow the steps aboove, you’ll be happy with the results.

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