Quoted from playernumber4:Being that so much clear is peeling off these playfields they will have to be sanded right down to the color to get rid of ALL the inferior material with the adhesion problem. I cannot imagine how you could remove only the clear without removing some of the color for the artwork.
When most playfields are recleared they simply sand down the clear to get a good smooth surface and then work up the coats from there with additional sanding and reclearing until the desired effect is obtained. You are in a completely different world of playfield work because you have to get every bit of that defective clear off. I don't see how it can be done without being prepared to repair artwork after the sanding.
I understand your motives....but they should be covering it and once you start sanding on that playfield you void any future warranty coverage should they ever decide that refusing to fix these playfields is harming their sales.
How dare you bring logic, based on facts, into this discussion. Everybody already knows that a light sanding and a little fresh clear coat on top will correct adhesion problems all the way down to the original playfield surface. This strategy works especially well on spot repairs.