Lenovo 7D31, Maintenance Manual

Page: 199 / 274

• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover,
or remove the server from the rack.
Watch the procedure
. A video of this procedure is available from the following links:
•
https://www.youtube.com/playlist?list=PLYV5R7hVcs-C6QgmsUMRG6ul0bHzrGmsG
•
https://list.youku.com/albumlist/show/id_54461099
Procedure
Step 1. Make preparations for this task.
a. Remove the top cover (see “Remove the top cover” on page 214).
b. Remove the fan cage assembly (see “Remove the fan cage assembly” on page 130).
c. If you are replacing the processor and memory expansion tray, remove the memory modules
(see “Remove a memory module” on page 148), and PHMs (see “Remove a processor and
heat sink” on page 177) from the expansion tray.
Important:
To avoid component damage,
DO NOT
remove or install memory modules or
PHMs when the tray is removed from the server.
Step 2. Disengage the processor and memory expansion tray.
Figure 106. Disengaging the processor and memory expansion tray
Grasp and pull the captive screw up; then, push it forward to disengage the handle.
Rotate the handle all the way up until it is in the vertical position.
Step 3. If the two PCIe cables are connected, disconnect them.
Chapter 4
.
Hardware replacement procedures
191