10 At the front of the 7133, pull out the two front-power cards 5 as far as their cablesallow.11 Reach into the front of the 7133. Unscrew the four captive screws 6, and removethe bracket assembly 7.12 Unscrew the four captive screws 8.| Note: The diagrams in these instructions show a 7133 Model 010. The procedure| for Models 020, 500, and 600 is the same, except that for Models 500 and 600,| everything is turned through 90 degrees.3-50 7133 Service Guide

IBM 7133 Series Service Manual