IBM Power System 8247-42L Manual page 151

Figure 114. Removing the handle cover from an 8286-41A stand-alone system
4. Remove the rear screw from the side cover by using a Phillips screwdriver as shown in Figure 115.
Figure 115. Removing the screw from the 8286-41A side cover
5. Slide the side cover off of the system in the direction that is shown in Figure 116 on page 134.
133
Common procedures for removing and replacing the system backplane