Lenovo ThinkSystem ST550 7X09 - Remove the Server Cover; Install the Server Cover

CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is
authorized to remove the covers where the following label is attached.
Remove the server cover
Use this information to remove the server cover.
“Read the
installation
Guidelines” on
page 59
“Power off
the server
for this task”
on page 12
“ATTENTION:
Static Sensitive Device
Ground package before opening”
on page 60
To remove the server cover, complete the following steps:
Watch the procedure. A video of the removal process is available:
• Youtube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-Acsjj4tU79GzKnWG316BYn
• Youku: http://list.youku.com/albumlist/show/id_50483452
Figure 39. Server cover removal
Step 1. Use the key attached on the rear of the server to turn the cover lock to the open position.
Step 2. Slide the server cover toward the rear of the server until the server cover is disengaged from the
chassis. Then, lift the server cover off the chassis and place it on a flat clean surface.
Attention: For proper cooling and airflow, install the server cover before turning on the server.
Operating the server with the server cover removed might damage server components.
Install the server cover
Use this information to install the server cover.
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ThinkSystem ST550 Maintenance Manual