MADGRTY,
I have the same engine, converted it over to ERR TMCC and RS. A great engine, the most detailed I have seen. Looking at the pictures you posted, it appears the right side eccentric crank rod may be interfering with the main rod. Perhaps it is the angle of the pic, or shadows, but check them all closely. I also have the scale K Line Berk, St. Fe, and I had one bend on me while running, came to immediate stop. Took a little while to see what was wrong, it was so slight, but did bind up the running gears. And when I saw the screw had loosened and back out...…..!!