Complete the parts replacement. See “Complete the parts replacement” on page 215.
Top cover replacement
Follow instructions in this section to remove and install the top cover.
Remove the top cover
Follow instructions in this section to remove the top cover.
About this task
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. 
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. 
Attention: 
•  Read 
“Installation Guidelines” on page 45 and “Safety inspection checklist” on page 46 to ensure that you 
work safely.
•  Power off the server and disconnect all power cords for this task.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
DrpxDWLMfgtXO4O6BVYTim
. 
Procedure
Step 1.  If the server is installed in a rack, remove the server from the rack. See the Rack Installation Guide 
that comes with the rail kit for your server.
212
ThinkSystem SR635 V3 User Guide