What wrench do I use to adjust the clamping pressure of the PC 890 Router? Support April 07, 2021 15:14 Updated Use a number T-27Torx Wrench to adjust the lever clamping mechanism. Related articles How do I remove and install the wheels for the A21068 wheel kit? What are the opm(orbits per minute)\rpms(revolutions per minute) of each speed on the 7424? How do I tighten the blade height adjustment? 3812 bench table saw What is the TPI of the blade supplied with a new PCB330BS Band Saw? Where is the Porter Cable PXRA2676 Restorer sold? Comments 0 comments Please sign in to leave a comment.