Lenovo ThinkSystem ST50 V2, Maintenance Manual

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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.
S014
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is
authorized to remove the covers where the label is attached.
S033
CAUTION:
Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with
metal, which might result in spattered metal, burns, or both.
About this task
Attention:
• Read “Safety inspection checklist” on page iv and “Installation guidelines” on page 41 to ensure that you
work safely.
• Turn off the server and peripheral devices, and disconnect the power cords and all external cables, see
“Power off the server” on page 9 .
Note:
To install rails to rack, see the
Rail Installation Guide
at
https://thinksystem.lenovofiles.com/help/topic/
rail_options/rail_options_tower_servers.html
.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
AU3iY3F7lq3qfqr5caGbIu
.
Procedure
Step 1. Install the four brackets to the tray as illustrated.
140
ThinkSystem ST50 V2 Maintenance Manual