Yamaha Weddington Special Manual do Proprietário - Página 11

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TRUSS ROD ADJUSTMENT

The curvature of the neck should be slightly concave. The

practice of sighting down the neck to see whether there is a

bow or bend is unreliable, and even experienced guitar

technicians

can

be misled by optical illusions. A better

method to check for proper curvature is as follows:

1) To check the extent of warp, press a string down simul-

taneously at the first fret and at the 16th fret The extent

of warp is the space between that string and the top of

the fret lying half way between the two fretted points. (To

free on hand for this method, you might use a capo at

the first fret.)

2) There should be approximately

0.002' to 0.008' (0.05 to

0.20 mm) space between the bottom of

the

string and

the top of the fret. This

can

be checked by slipping an

automotive feeler gauge under the string.

3) If the spaang indicates that the curvature is not correct.

remove the buss rod cover with the screwdriver end of

the tool provided with the guitar. Then adjust the truss

rod nut with the hexagonal wrench. Clockwise rotation of