Feel free to ask.
The boiler may be attached as you say, or the screw may come down through the stack (unlikely) or once in a while the main screw will come up behind the cylinder block. Two small screws in back.
Drivers are quartered mechanically, so you will have to use the glue trick. Clean it up really good, then quarter it as well as you can. Hold it in position and put some shaft Loctite in there. Tighten the nut, and let it sit for 24 hrs.
