Lenovo 3633 Installation And Service Manual page 148

Figure 70. Hot-swap power supply label on the cover
To install a hot-swap power supply, do the following:
Step 1. Remove the power-supply filler. Then, slide the hot-swap power supply into the bay until the
release latch clicks into place.
Important: To ensure proper cooling during normal server operation, both of the power supply
bays must be occupied. This means that each bay must have a power supply installed; or one has
a power supply installed and the other has a power-supply filler installed.
Figure 71. Hot-swap power supply installation
Step 2. Connect one end of the power cord to the new power supply connector; then, connect the other
end of the power cord into a properly grounded electrical outlet.
Step 3. If the server is turned off, turn on the server. Make sure that the ac power LED on the power supply
is lit, indicating that the power supply is operating properly. If the server is turned on, make sure
that the dc power LED on the power supply is lit also.
Removing the PCI riser card from the PCI riser-card assembly
To remove the PCI riser card from the PCI riser-card assembly, do the following:
Step 1. Turn off the server. Then, disconnect all external cables and remove all peripheral devices.
Step 2. Remove the server cover. See
Step 3. Remove the PCI riser-card assembly. See
Step 4. Remove the screws that secure the PCI riser card to the riser card bracket. Then, remove the PCI
riser card.
Lenovo System x3250 M6 Installation and Service Guide
134
"Removing the server cover" on page
"Removing the PCI riser-card assembly" on page
92.
96.