Lenovo ThinkSystem SR635 V3 User Manual page 159

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 45
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:
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Note: Prepare the following screwdrivers to ensure you can install and remove the corresponding screws
properly.
Torque screwdriver type list
Torx T20 screwdriver
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.
and "Safety inspection checklist" on page 46
60.
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
.
"Remove the top cover" on page
Screw Type
Torx T20 screw
"Remove the server from rack" on page
212.
.
Chapter 5 Hardware replacement procedures
to ensure that you
91.
149