IBM 86607SU Hardware Maintenance Manual - Page 193

Hot-swap power supply removal The server comes with one power supply. You can add a second power supply to provide redundant power. Each power supply has two status indicators; see "Power supplies" on page 224 for information about the status indicators. Attention You cannot hot-swap a power supply if the server has only one power supply installed. Refer to the illustration in "Hot-swap power supply installation" on page 181 while you perform the steps in this procedure. To remove a hot-swap power supply: Caution Never remove the cover on a power supply or any part (power backplane and ac box) that has the following label attached. Hazardous voltage, current, and energy levels are present inside the power supplies, power backplane, and ac box. There are no serviceable parts inside the power supplies, power backplane, or ac box. 1. If the server has only one power supply installed, turn off the server and peripheral devices (see "Preparing to install options" on page 220); otherwise, go to the next step. Attention Before removing a functional power supply, set the Power switch on the power supply to the Off position. 2. Set the Power switch on the power supply that you are removing to the Off position. 3. Remove the power supply 4 : a. Remove the shipping screws 9 from the power supply, if they have not already been removed. Note You do not need to replace the shipping screws. b. Remove the power-cord strain-relief bracket 1 , if one is installed. Netfinity 5500 - Type 8660 185