Have a look on the IPDB  http://www.ipdb.org/machine.cgi?id=2406 - there are two playfields and both have orange rollovers.  You have a choice when clearcoating of going over the inserts then cleaning them up (this is the CPR approach) or leaving them out and putting them in after the clear coat (that is the approach I have taken).  Clear coating will cover some playfield imperfections, but much will depend on the product and method used.

cheers
Ian