Peavey bass guitar Owner's Manual page 20

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Neck and Truss Rod

Every Peavey bass guitar features an adjustable truss rod inside the neck. Truss rods

allow for adjustments in the neck to accommodate changes in string tension caused

by humidity, changing string gauges, or tuning. As the backbone of your instrument,

truss rod adjustments should always be performed as the first step in instrument

setup. (Peavey recommends that you enlist the services of a qualified technician to

make the required truss rod adjustments on your instrument. Improper adjustment

may damage your neck and void your Peavey warranty.) To gain access to the truss

rod, look for a 4 mm or 8 mm allen wrench adjustment screw either at the end of

the neck near the body or at the opposite end near the headstock. Note that some

bass guitars may require neck removal to gain access to the neck pocket truss rod.

The goal of truss rod adjustment is to create the correct amount of bow in your

bass guitar's neck to facilitate optimal playability.

To check the neck's bow, hold the guitar in normal playing position and follow

this procedure for the both outside strings (highest and lowest strings). Fret and

hold the string at the first fret, while fretting and holding the same string with

your picking hand thumb (where the neck and body meet, typically around the

16th fret). Then, stretch your picking hand index finger as far as you can to fret

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