I'd like to hear some ideas from the veterans on how to best overcome displays that are too close to the backglass, and are actually rubbing up against it.
On most of my solid states, there is a nice rubber gasket around the display, and there isn't this kind of wear. I am getting this action on a 1979 Williams Gorgar on displays 2,3, and 4. The lamp board itself is bowed with the center of the lampboard arch closest to the blackglass.
I moved the lock assembly back 1/4" into the backbox, and that helped bring the "edge" back, but unfortunately the lampboard isn't straight itself.
I was thinking of a few ideas, none of which I have yet tried, because they may not be the best ideas:
* sand down the yellow plastic spacers 1/8"
* install a wood rail horizontally onto the top of the lamp board that straightens out the lamp board and undoes the bowing, so when it locks in place, the left edge of the 2/3/4 displays doesn't touch.