U.S. Guitar Kits Cutaway Manuel d'utilisateur télécharger pdf (Page 9)

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Prepare a “sanding board” from a straight ﬂat piece of wood

about 3-4" wide, at least 1" thick, and 24" long (illustrated).

Add a wedge on each side of one end of the sanding board.

These wedges will tip the sanding board to match the angles

of the top and back as you sand the kerfed linings, neck and

tailblocks. The wedges should be approximately 8" long, and

as wide as the sanding board. Make one wedge 5° for the

back linings, and the other 1-1/2° for the top linings.

Rest the side assembly, with the straight top edge down,

on the ﬂat surface of your workbench. The front shoulders

should overhang the bench, so that the waist clamp can be

fastened to the edge of the benchtop with two wood screws.

If you’re unable to screw the waist clamp to the bench, clamp

a board ﬂush to the bottom edge of your bench, and clamp

or screw the waist clamp to the board.

Draw a white pencil line on the edge of the guitar sides to

serve as an indicator of your sanding progress. Stop sanding

when the line is gone and you begin to graze the sides. Us-

ing double-stick tape, attach 80-grit sandpaper to the side

of the sanding board with the 5° wedge. Hold the wedged

end of the board against the tailblock as a pivot point, and

begin sanding the neck block and the front shoulder area

ﬁrst. Work around the sides to the tailblock, moving the

pivot point frequently, until the sandpaper begins graz-

ing the white pencil marks on the top edge of the sides. It’s

easy to oversand the sides and the kerfed linings, leaving the

neck block or tailblock higher than the sides, and causing

a “hump” in that area later. Keep this in mind, and give the

blocks a little extra sanding. White pencil them several times

and use a straightedge to be sure they are ﬂat.

Move the waist clamp to the back side of the rim assembly,

and refasten the clamp to the bench with the top kerfed lin-

ings facing up. Repeat the sanding process, using the 1-1/2°

wedged side of the sanding board. The top kerfed linings

have a slighter bevel and are easier to sand than those on

the back of the rim. When your sanding reaches the white

pencil line, the linings are ready for the guitar top to be ﬁtted.

KIT TIP: Back kerﬁng

The back kerfed linings can be level-sanded AFTER

the top is glued to the sides. The rigidity added by

the glued top makes the sanding easier and more

accurate. If you choose this option, level the top

kerfed linings ﬁrst (pictured), and sand the back

linings just before removing the cardboard inner

mold.

1-1/2° wedge

for sanding top edge

5° wedge for

sanding back edge

Sandpaper

on both sides

Sands the kerfing

at the angle

of the tapered

block

Leveling the kerfed linings

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U.S. Guitar Kits Cutaway Manuel d'utilisateur Page 9

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