IBM 106 Hardware Installation And Maintenance Manual page 54

Figure 30. CMA attachment installed on outer slide
8. Insert the right rail subassembly into the rack. Attach the adjustable rear mounting bracket to the rail
first, ensuring that the rail subassembly occupies the lower 2U portion of the allotted 4U space. The
rear mounting bracket spring will clip onto the rail. Ensure that the quantity-2 all-in-one rail kit
mounting hardware fully seats into the rack post mounting hole.
Figure 31. Location detail
36 IBM ESS expansion: Hardware Installation and Maintenance Guide - Model 106