Lenovo 7D2F, Руководство по обслуживанию

Страница: 119 / 188

Before removing the processor and memory expansion tray:
1. Read the safety information and installation guidelines (see “Safety” on page iii and “Installation
Guidelines” on page 49 ).
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
“Power off the server” on page 11 ).
3. 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.
4.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=
PLYV5R7hVcs-B2y7oAb54mfyuLrIusa_qE
.
5. Remove the top cover (see “Remove the top cover” on page 133 ).
6. If you are replacing the processor and memory expansion tray, remove the expansion tray air baffle,
DIMMs (see “Remove a memory module” on page 77 ), and PHMs (see “Remove a processor and heat
sink” on page 101 ) on the expansion tray.
Figure 108. Expansion tray air baffle removal
Attention:
• Do not remove or install DIMMs and processors on the processor and memory expansion tray when
the expansion tray is removed, for the instability might cause damages to components.
To remove the processor and memory expansion tray, complete the following steps:
Step 1. Slightly pull out power supply 2.
Attention:
Do not remove the processor and memory expansion tray without physically
disconnecting power supply 2.
Step 2. Loosen the two captive screws that secure the handle of the expansion tray.
Chapter 3
.
Hardware replacement procedures
111