Lenovo ThinkSystem SR655 V3 User Manual page 115

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 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:
BashWCNZQEDP7o3EohXPEV
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 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. Remove the air baffle. See
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 36
42.
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
.
Screw Type
Torx T20 screw
"Remove the top cover" on page
"Remove the air baffle" on page
146.
"Remove the server from rack" on page
148.
50.
.
Chapter 5 Hardware replacement procedures
to ensure that you
43.
"Remove the
105