•  If the server is in a rack, remove it from the rack. See “Remove the server from the rails” on page 137.
•  Remove any locking device that secures the server, such as a Kensington lock or a padlock.
•  Place the server on its side with the cover up.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
AU3iY3F7lq3qfqr5caGbIu
.
84
ThinkSystem ST50 V2 Maintenance Manual