If you are instructed to return the old rack latches, follow all packaging instructions and use any packaging 
materials that are provided.
Install the rack latches
Use this information to install the rack latches.
“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 rack latches, touch the static-protective package that contains the new rack latch to any 
unpainted surface on the outside of the server. Then, take the new rack latch out of the package and place it 
on a static-protective surface.
To install the rack latches, 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.  On each side of the server, align the rack latch with the pin on the chassis. Then, press the rack 
latch onto the chassis and slightly slide it to the direction as shown. 
Figure 43. Rack latch installation
70 ThinkSystem SR550 Maintenance Manual