Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 91

1. Read the safety information that begins on page vii and "Installation guidelines"
on page 33.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. Remove the cover (see "Removing the cover" on page 37).
4. Remove the fans (see "Removing a hot-swap fan" on page 72).
5. Remove the PCI riser-card assemblies and the DIMM air baffle (see "Removing
a PCI riser-card assembly" on page 42 and "Removing the DIMM air baffle" on
page 52).
6. Press the fan-bracket release latches 1 toward each other to release the pins
2 and lift the fan bracket out of the server.
Chapter 5. Installing optional devices and replacing customer replaceable units
75