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
“Installation Guidelines” on page 35 and “Safety inspection checklist” on page 36 to ensure that you
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 42.
• Operating the server with the top cover removed might damage server components. For proper cooling
and airflow, install the top cover before you turn on the server.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
BashWCNZQEDP7o3EohXPEV
.
Procedure
Step 1. 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
“Remove the server from rack” on page 43.
Step 2. Remove the top cover.
Attention: Handle the top cover carefully. Dropping the top cover with the cover latch open might
damage the cover latch.
Chapter 5. Hardware replacement procedures 149
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