Lenovo ThinkSystem SR665 V3 User Manual page 187

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.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Attention:
• Read "Installation Guidelines" on page 47
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.
Procedure
Step 1. Make preparation for the 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
c. If your server comes with an air baffle or a middle cage, remove it first.
• "Remove the air baffle" on page 70
• "Remove the middle drive cage and drive backplanes" on page 162
d. Remove the system fan cage (only for removing the performance heat sink). See
system fan cage" on page
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.
and "Safety inspection checklist" on page 48
62.
"Remove the top cover" on page
269.
"Remove the server from rack" on page
277.
.
Chapter 5 Hardware replacement procedures
to ensure that you
63.
"Remove the
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