Dont have to remove the lower PF, I just adjusted this yesterday....Put the PF up and take the 2 screws that secure the switch to the lower pf loose and pull the target down. On mine the target actual leafs on the switch were misaligned as well as the switch being out of position. You can loosen the 2 screws that hold the leafs together, realign and reinstall...takes less than 5 min..Good luck