Support Rails| Note: This procedure applies only to Models 010 and 020.1 To remove the support rails, remove the screws 1, then remove the rails.2 If you need to reinstall the support rails (for example, because you are relocating the7133), or you need to install replacement rails, go to step 3.3 The 7133 is four EIA1 units high. Using the preinstallation planning information, orother information supplied by the customer, determine where you are going to locatethe 7133 in the rack.4 Refer to the EIA markings on the rack and decide where you are going to install thesupport rails. If appropriate, allow for possible future installation of othersubsystems.1 Electronics Industries Association.Chapter 3. Removal and Replacement Procedures 3-61

IBM 7133 Series Service Manual