Figure 148. Server cover removal
Attention: For proper cooling, always install the server cover before powering on the server. 
Operating the server without the cover properly installed might result in server component damage.
a. 
Use the key attached on the rear of the server to turn the cover lock to the unlocked 
position.
b. 
Slide the server cover towards the rear of the server until the server cover is disengaged 
from the chassis. Then, lift the server cover off the chassis and place it on a flat clean surface.
After you finish
If you are instructed to return the component or optional device, follow all packaging instructions, and use 
any packaging materials for shipping that are supplied to you.
Install the server cover
Use this information to install the server 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. 
190 ThinkSystem ST650 V2 Maintenance Manual