Lenovo ThinkSystem SR850 V2 Maintenance Manual page 223

CAUTION:
Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with
metal, which might result in spattered metal, burns, or both.
Attention:
• Go over "Installation Guidelines" on page 107 to ensure that you work safely.
• Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page 12).
• 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.
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
Figure 125. Top cover locking/unlocking direction
Step 2. Remove the top cover from the server.
).
1
Unlocking direction
1
Locking direction
2
.
Chapter 4 Hardware replacement procedures
215