Replying to Do I need to remount these bindings?

I picked up a new pair of skis and kingpins and am unsure if I can get away without remounting the skis. Adjusting the forward pressure all the way to the stop line without the boots in puts it behind the line after stepping in. The screw seems relatively flush with the bindings however indicating the forward pressure is probably okay. If I do need to adjust should I just move the toe piece a few cm forward? How hard is this to do on your own without a jig as every shop around here wants at least $75?