Lenovo ThinkSystem SR850 V2 Maintenance Manual page 214

• 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. Make preparations for this task.
a. Remove the system board from the server (see "Remove the system board" on page 202).
b. Refer to local environmental, waste or disposal regulations to ensure compliance.
Step 2. Remove the following components as illustrated:
• 22 slotted screws
• Two standoffs (with 12 mm wrench)
• One plunger (with 11 mm and 16 mm wrench)
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