Scroll down, lots of photos!

Removing old action parts. Hammers, shanks and flanges are removed.

Rebushing keys with precision cauls .002 over pin size for proper fit.

Installing new regulating buttons, note rails have been stripped of all old components and bead blasted.

Repairing old ivory.

New whippens installed on action frame.

Repinning new parts as necessary for proper friction.

New sample hammers are weighed to determine amount of machining necessary for new hammers.

Gram gauge used to determine amount of friction at center pin.

Installing new shanks.

Determining strike point of hammers on string for best tone in alto and treble.

Boring new hammers. Bore distance is computed by subtracting hammer center pin height from string height.

Tail of hammer is trimmed to provide a one inch tail for proper checking.

Hammers are tapered head to tail for weight reduction and clearance.

Hammers are coved on underside of tail for weight reduction.

Back of tail is arced to a radius (about 2 3/4") for proper checking.

Hanging hammers with hot animal hide glue.

Reconditioned key frame with new felt and polished and lubed pins.

Setting the key travel, also known as laying the touch. A 400 gram weight is used on each key for consistency.