A slightly modified pop rivet gun removes balance rail key pins axially, thus avoiding damage of the original hole. The only modification to the tool was to bore out the tip of the tool to match the diameter of the key pin
MOV02315.MPG
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pieces of toothpick glued to each side of the key pin. #balancemortise #looseharpsichordkey #keybutton #harpsichordkey
20a hps balance bush close.jpg