Figure 64. 3.5-inch simple-swap-drive backplate assembly removal
Step 1.  Pull the release pins and carefully slide the backplate assembly in the direction as shown.
Step 2.  Pivot the backplate assembly backward slightly to release it from the four hooks on the chassis. 
Then, carefully lift the backplate assembly out of the chassis.
If you are instructed to return the old simple-swap-drive backplate assembly, follow all packaging 
instructions and use any packaging materials that are provided.
Install the 3.5-inch simple-swap-drive backplate assembly
Use this information to install the 3.5-inch simple-swap-drive backplate assembly.
“Read the  
installation 
Guidelines” on 
page 53
“Power off  
the server  
for this task” 
on page 13
“ATTENTION:  
Static Sensitive Device  
Ground package before opening” 
on page 56
Before installing the 3.5-inch simple-swap-drive backplate assembly, touch the static-protective package 
that contains the new 3.5-inch simple-swap-drive backplate assembly to any unpainted surface on the 
outside of the server. Then, take the new 3.5-inch simple-swap-drive backplate assembly out of the package 
and place it on a static-protective surface.
To install the 3.5-inch simple-swap-drive backplate assembly, complete the following steps:
Watch the procedure
A video of this procedure is available at 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
C9jFjZnXQ6AmTXaIdX6_HJ
. 
Step 1.  Align the backplate with the chassis and lower it into the chassis. Put the backplate into place with 
it leaning backward slightly. 
88
ThinkSystem SR550 Maintenance Manual