It was just news to me when I opened the box, I do have a couple areas lifting up
on tracks, at the semaphore, so I took off track controller and it laid the track right back down, so then put the HEAVY, F-3 on the back, hooked up everything
including the 2- RmT, depressed flats, and now NO , problem even going across
switch, that has never been a problem. I still think to light (weight ), on the
B unit butt !!!!! Just to play with them , I am going to put them on the 072,
track that is on the floor under layout , and check that out !!