Action stuck in piano
Normally, the grand piano action slides out after removal of the board in front of the keys (the keyslip), the fall board (key cover), and the cheek blocks. One has to check to be sure no pressure is being placed on the keys at the left and right edge of the row of keys, to avoid breaking off a hammer during removal of the action. Although this happened to me on another antique grand, I repaired the broken hammer shank and subsequently sold that piano several years ago. Nothing was visibly obstructing the sides, top or bottom of the action to prevent it sliding out, which leaves the bottom of the action. You can picture trying to look underneath a drawer that is stuck to find out what is blocking it. It was very difficult, but using a yardstick and a stiff piece of thin steel for probes (the latter about 18 inches by 8 inches in size), I did find 2 tight spots one of which was visible using a fiberoptic camera to view under the keyframe. This wa...