Figure 58. Installing a power supply unit
Remove the top cover
Follow the instructions in this section to remove the top cover.
About this task
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. 
Watch the procedure. A video of this procedure is available from the following links: 
• 
https://www.youtube.com/playlist?list=PLYV5R7hVcs-C6QgmsUMRG6ul0bHzrGmsG
•  https://list.youku.com/albumlist/show/id_54461099
Procedure
Step 1.  If the top cover is locked, unlock it with a screwdriver (direction  1 ). 
170 ThinkSystem SR860 V2Setup Guide