Just thought I would share my experiance with setting up my R4511. First of all I was impressed with how it went together and turned into a very sturdy and smooth cutting surface. However from the beginning I found it impossible to square up. I followed the instructions to a tee and even bought a dial indicater to make sure I wasn't miss reading the ruller. after many attempts for over a week I decided to take the top off and check the trunnion. The whole time I the blade was almost an 1/8" out of true to the right as you look at the front of the saw. When I loosened the four bolts on the trunnion I was able to get almost a 1/16" play and was able to square it to the cabinet. I know not usaly nessacary but I was trying to eliminate every possible problem. Then I had a friend come over and he helped me lift the top back on. once we did that I alined the back right hole under the motor cover. Once I did that I eye balled it and tryed to line it up. When I put the dial indicator on to check it I was with in .005 of true. thats when I took my lucky stars and started to tighten down the remaining screws. Lo and behold when I got to the front left screw I found that it was out of alignment by almost a 1/4". When I try to insert this screw it takes the whole table top out of alignment. Now I have a table saw that has the top held on by three not four screws. I hope Ridgid can do something to fix this major error in quality control.