Removing the power paddle cardTo remove the power paddle card, complete the following steps:1. Read the safety information that begins in Safety and “Installation guidelines”on page 36.2. Turn off the server (see “Turning off the server” on page 24) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables from the server.3. Carefully turn the server on its side so that it is lying flat, with the coverfacing up.Attention: Do not allow the server to fall over.4. Unlock and remove the left-side cover (see “Removing the left-side cover” onpage 39).5. Remove the air baffle (see “Removing the air baffle” on page 41)6. Remove the fan assembly (see “Removing the fan assembly” on page 42)7. Remove the redundant power supply slightly out of the server to disconnect itfrom the power paddle card.8. Disconnect all power cables from the connectors on the system board.Disengage the power cables from any cable clips.9. If a RAID adapter battery is installed on the chassis, disconnect the powercable from the ServeRAID adapter.10. Loosen the screws of the hot-swap power supply cage showed as step 1 in thefollowing illustration.11. Remove the redundant power supply cage cover showed as step 2 in thefollowing illustration.12. Remove the power paddle card out of the redundant power supply cageshowed as step 3 in the following illustration.Attention: Make sure that the cage cover have been released from the tabs ofthe redundant power supply cage showed as the zoom-in area in theillustration.414 System x3300 M4 Type 7382: Installation and Service Guide