Has anyone swapped out the scale coupler for the OGauge coupler on the Vision Line BB? I can't figure out how to get to the coupler screw. It's blocked by grill on the bottom of the pilot. I removed the front truck hoping that it would give me a way to get to the screw but no joy. I'm pretty loath to start disassembling anything else (where's Alex when you need him?). Any help would be appreciated.
Here's a Pic with the truck removed. In the 1st pic it looks like you can get to the screw but it's the angle of the picture.