There are several ways to dismantle a piano, from brute force, a sledge hammer and a chain saw, to the systematic removal of each piece, which is cleaner, more practical, and, of course, the most thorough way to recycle all the parts.
Described here is an orderly procedure for dismantling a piano, as well as ideas of categorizing the parts once the piano is in pieces.
Click on each step to read detailed instructions.
For a precise idea of what it takes to dismantle and restore a piano, watch this thorough video: