IBM pSeries 630 6C4 Service Manual page 529

13. Remove all power supplies or the power supply filler panel as described in "Non-Hot-Swap Power
Supply Removal" on page 501 or "Hot-Swap Power Supply Removal" on page 504.
14. Remove the PCI riser card as described in "PCI Riser Card Removal" on page 474.
15. Remove the PCI cooling fans as described in "Hot-Swap Fan Assembly Removal" on page 462.
16. Remove the PCI cooling fan's stabilizing bracket.
Note: The bracket is secured to the CEC backplane with one hex-head screw and two alignment
tabs.
17. Remove and label all remaining power, signal, and SCSI cables.
18. Remove the processor cooling fans as described in "Hot-Swap Fan Assembly Removal" on page 462.
19. Remove the processor cooling fan cage assembly by removing the two hex-head screws located at
the base of the cage and the eight hex-head screws that screw in from the back of the system
chassis.
20. Remove the 16 threaded standoffs that secure the rear connectors located on the CEC backplane to
the back of the system chassis.
21. Remove the power supply and processor assembly front support bracket.
Note: The bracket is secured to the system chassis with four hex-head screws.
22. Remove the plastic membrane that covers the CEC backplane.
23. Remove the CEC backplane retaining screws.
Note: For the locations of the retaining screws, see the following CEC backplane illustration.
Note: Use care when removing the CEC backplane. Standoffs attached to the chassis base may
damage the components attached to the bottom of the CEC backplane.
Chapter 9. Removal and Replacement Procedures
509