IBM eserver pSeries 690 Installation Manual page 127

4) Pull the BPF straight out of the BPE.
5) Repeat for the other BPF. There are two BPFs, one in front and one in back.
e. Remove any front and rear bulk power fillers.
4. Remove the top frame side covers (items 7 and 8 in illustration on 112) as follows:
__ Step a. Remove the two screws at the top of each side panel.
__ Step b. Lift up the panel from the top, and pull it away from the rack.
5. Remove the frame extenders as follows:
a. Remove the UEPO switch (item 6 in the following illustration).
v Unplug the cables.
v Remove the top and bottom screws.
b. Remove the rear top and bottom frame extender (item 1 and 4 in the following
illustration) by removing the two screws (one on each side).
c. Remove both rear frame extenders (items 2 and 3 in the following illustration) by
removing the three bolts on each side.
d. Repeat steps 5b and 5c for the front frame extenders.
Appendix J. Removing and Installing the Rack Top Frame
111