Description
How to install the Warman Truss Rod :-1. Saw or router a slot down the centerline of the neck, 6mm wide and 10mm deep. You can choose to site the adjusting nut either in a recess at the top of the neck near the top nut or accessed through end of the neck heel.
The truss rod is not designed to extend into the neck block or beyond the neck. This allows neck removal as per a normal dovetail neck reset.
2. Set the truss rod into the slot with the flat side facing upwards towards the fretboard. Although the rods are wrapped with PVC to prevent unwanted vibration within the neck , you can provide extra cushioning to eliminate the possibility of rod rattle. Apply a small amount of silicone sealer in the slot at the ends, then press the rod into the slot. Use only enough silicone for minimal squeeze-out. A spot or two along the double rods can also be cushioned by a little sealer.
3. As this method uses no glue in the neck slot it ensures that the truss rod can be removed should it ever be required. It’s therefore vital to avoid excess glue when installing the fingerboard. We suggest placing 15mm wide masking tape down the centerline of the neck, over the installed truss rod to avoid the chance of any seepage into the rod groove. Spread the glue over the neck, the masking tape will stop it going into the rod groove. Remove the tape and clamp the fingerboard in place. If done properly, the glue will spread just to the edges of the rod groove and not down into it.
Adjustment
After the glue has dried, the rod can be tested. Turn the nut clockwise to correct an upbow, and counterclockwise to correct backbow. As with any truss rod, if you encounter excessive resistance, the neck should first be eased into a corrective bend with clamps. The rod can then be adjusted



