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Common Repairs

This is what happens when certain common repairs are made. Some repairs may look very simple, but actually involve a lot of work.
Refit Peg
•Shave peg to restore roundness. If necessary, ream peg hole.
•Redrill string hole so string is centered.
•Apply peg dope for lubrication/friction.
•Cut peg to proper length.
Reset Soundpost
•Retrieve soundpost.
•Check soundpost length and fit of both ends.
•Friction fit with appropriate tightness (may require recutting or new post).
•Adjust location for optimum sound.
Dress Fingerboard
•Decide if fingerboard needs redressing or replacing.
•Remove nut (decide if new nut needed).
•Plane fingerboard to remove grooves. Check curvature.
•Reglue nut. Check string notches in nut. Adjust if necessary.
•Check projection to bridge (also part of initial examination).
Replace Bridge
•Choose bridge blank appropriate for neck/fingerboard projection.
•Fit feet to match violin top
•Cut height to match fingerboard projection.
•Locate position for and make string grooves.
•Adjust distribution of mass (carve bridge) for optimum sound.
Install new Tailpiece
•Choose tailpiece for features, weight, and length. Check fret.
•Recut string holes to accomodate string brand or fine tuners.
•Remove any sharp edges from string holes or fine tuners.
•Adjust tailgut length to provide appropriate string afterlength.
Reset Neck
•Free button from neck. Remove neck.
•Examine block. Determine if replacement needed.
•Determine if new fingerboard needed.
•Clean neck root and determine proper joinery angles.
•Recut mortise (probably). Refit neck root.
•Double-check body/neck ratio, stop, and neck angle.
•Reglue neck.
Open Seams
•Find all open seams.
•Clean off old glue.
•Dry-clamp to check gluing surface and overhangs.
•Glue and clamp appropriately. Clean off excess glue before it dries.
Cracks
•Decide what is needed and make a plan.
Some cracks will require that seams be loosened or the plate removed entirely. It may be necessary to make a plaster mold to preserve the arching. The bassbar may need to be removed. Patches or cleats may be needed.
•Clean crack surfaces.
•Decide how to best clamp together.
•Glue, clamp.
•Reinforce if necessary. Note: current theory discourages extensive use of cleats.
•Reassemble as needed.
Touch-up
•Decide degree of touch-up. Make the blemish less noticible or make it disappear?
•Clean area. Determine type and layering of original varnish if possible.
•Apply a thin layer of clear varnish to isolate touch-up from original varnish.
•Apply tiny amounts of touch-up varnish until desired appearance is achieved.

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