I tried to open the Bachmann Vanderbilt tender last night and despite removing several screws it defied all attempts to be disassembled. Usually with these things it is a matter of pushing a couple tabs at the same time and some tab or part is just stiff. But before I break something, I thought I would check to see if there is any special trick to this. The instructions that come with the tender are not terribly helpful. Thanks - Nevin