Lenovo 7Y54, Maintenance Manual

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For more information about the Lenovo XClarity Essentials OneCLI
set
command, see:
http://sysmgt.lenovofiles.com/help/topic/toolsctr_cli_lenovo/onecli_r_set_command.html
Top cover replacement
Use the following information to remove and install the top cover.
Remove the top cover
Use this information to remove the top cover.
To avoid possible danger, read and follow the following safety information.
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.
Before you remove the top cover, complete the following steps:
1. Read “Safety” on page iii and “Installation Guidelines” on page 31 to ensure that you work safely.
2. Turn off the server. Disconnect the power cords and all external cables (see “Power off the server” on
page 10 ).
3. If server is installed in a rack, remove the server from the rack.
To remove the top cover, complete the following steps:
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ThinkSystem SR150 Maintenance Manual