Lenovo ThinkSystem SR645 Maintenance Manual page 248

• Read Installation Guidelines 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.
A video for this task is available at:
• Youtube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DY1RaWHYM4xDloAwuBQHR0
• Youku:
http://list.youku.com/albumlist/show/id_52339628
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.
Step 2. Remove the top cover.
Attention: Handle the top cover carefully. Dropping the top cover with the cover latch open might
damage the cover latch.
Figure 126. Top cover removal
a. Use a screwdriver to turn the cover lock to the unlocked position as shown.
b. Press the release button on the cover latch and then fully open the cover latch.
c. Slide the top cover to the rear until it is disengaged from the chassis. Then, lift the top cover off
the chassis and place the top cover on a flat clean surface.
After you finish
Replace any options as required or install a new top cover. See Install the top cover.
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