I recently installed PS2 in my Weaver/MTH/Williams/Samhongsa 4-6-0 hybrid.
The 4-6-0 chassis is from the Weaver G5 (1992), the boiler is a modified MTH 2-8-0 (thanks Bobbie OGage!), and the tender came from my Williams/Samhongsa USRA 2-8-2.
After the install I placed the engine on the layout to see how she ran. It ran good, but felt I could get it better so I started tweaking it. Soon I started hearing a low, droning sound, a sound like the gearbox was dry (sounded to me like a B-17 coming in on 1 engine ).
I took the gearbox apart and filled it with grease but did little good. As I let the engine run I placed my hand on the top of the can motor (boiler off of course) and could feel the vibration. I checked the alignment of the motor/shaft/gearbox by eye and all looked well, at that point I started looking at the motor mount.
The motor mount bracket is a piece of bent metal (steel or brass?) with places for 4 rubber grommets on the face where the motor mounts, one of the grommets was missing and the other 3 were dried out (remember, 1992 engine).
I didn't have any new grommets so I made a gasket to replace them with. The gasket was a bit less than 1/8" thick and made from a sheet of soft rubber I found in the arts and crafts dept at Walmart.
It turned out that was the problem and the fix, getting rid of the old, dried-out motor mount grommets and replacing them with new material. The gasket is actually better IMO because it covers the whole face of the motor mount bracket and supports/cushions the mounting surface of the motor.
My Williams/Samhongsa USRA 2-8-2 that I recently converted to a Seaboard class Q3 has the exact same motor, mount, and flywheel and wonder how much longer it'll be before I have to replace the grommets on that as well? Anyone know when Williams brought these out?