Lenovo ThinkSystem SR645 V3 User Manual page 119

About this task
Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do no
attempt to remove or install it without proper training and qualification.
Attention:
• Read "Installation Guidelines" on page 35
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
Watch the procedure
A video of this procedure is available at YouTube:
CTkyVDu-5Lhy1r9G-4PQGl
Procedure
Step 1. Make preparations for this task.
a. 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. See
b. Remove the top cover. See
Step 2. Remove the heat sink.
Notes:
• Do not touch the contacts on the bottom of the processor.
• Keep the processor socket clean from any object to prevent possible damages.
Figure 70. Removing a performance heat sink
and "Safety inspection checklist" on page 36
44.
.
"Remove the top cover" on page
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
"Remove the server from rack" on page
150.
.
Chapter 5 Hardware replacement procedures
to ensure that you
45.
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