Lenovo ThinkServer RD550 - Manual (Page 78)

5. Do the following to remove the server cover:
a. Use a screw driver to unscrew the cover lock to the open position as shown.
b. Fully open the cover latch.
c. Slide the server cover to the rear until it is disengaged from the chassis. Then, lift the server cover off
the chassis and set it aside.
Note: It is recommended that you wait several minutes to let the server cool before removing the
server cover.
Figure 30. Removing the server cover
Attention: For proper cooling and airflow, install the server cover before turning on the server. Operating the
server for more than 30 minutes with the server cover removed might damage server components.
To reinstall the server cover, see “Reinstalling the server cover and reconnecting cables” on page 144.
Installing, removing, or replacing hardware
This topic provides instructions on how to install, remove, or replace hardware for your server. You can
expand the capabilities of your server by adding new hardware devices, such as memory modules or other
server options, and maintain your server by replacing the failing hardware devices.
If you are handling a server option, refer to the appropriate installation or removal instructions in this topic
along with the instructions that come with the option.
Notes:
• Use only parts provided by Lenovo.
• Depending on the model, your server might look slightly different from the illustrations in this topic.
64 ThinkServer RD550 User Guide and Hardware Maintenance Manual