Quoted from Gogojohnnyquack:I used naptha to clean the playfield and rubbers then put down a thin coat of Blitz2000 wax, let it dry, and wiped it off. Now I see the ball actually changing direction because of the spin put on it rather than sliding across the playfield. What's up with that? This is a Stern Star Trek.
That's wacky, quaky! I can't say it's the cause, but using paint thinner doesn't sound right to me. I've been maintaining my games for almost 20 years...no idea why you would use paint thinner to clean a PF! All I use is wax (P21S).