Figure 73. Removing the fan cage assembly
Step 2.  Lift the fan cage assembly to remove it.
Install a drive backplane carrier assembly
Follow instruction in this section to install a drive backplane carrier assembly.
About this task
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.  If necessary, install each backplane to the carrier with two screws. 
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ThinkSystem SR860 V2Setup Guide