Lenovo ThinkSystem SR860 V3 User Manual page 138

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.
S017
CAUTION:
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
Attention:
• Read "Installation Guidelines" on page 43
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.
• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top covers,
or remove the server from the rack. See
Procedure
Step 1. Make preparation for the task.
a. Remove the front top cover. See
b. Remove all fan modules. See
Step 2. Remove the fan cage.
ThinkSystem SR860 V3 User Guide
128
and "Safety inspection checklist" on page 44
58.
"Remove the server from rails" on page
"Remove the front top cover" on page
"Remove a fan module" on page
to ensure that you
58.
272.
125.