Removal and replacement procedures  63 
PSU air baffle 
To remove the component: 
1.  Power down the server (on page 31). 
2.  Remove all power: 
a.  Disconnect each power cord from the power source. 
b.  Disconnect each power cord from the server. 
3.  Do one of the following: 
o  Extend the server from the rack (on page 32). 
o  Remove the server from the rack (on page 34). 
4.  Remove the access panel ("Access panel" on page 37). 
5.  If necessary, remove rear drive cables that are secured in the PSU air baffle latches. 
6.  Remove the PSU air baffle. 
 
To replace the component, reverse the removal procedure. 
 
Rear drive cage 
To remove the component: 
1.  Power down the server (on page 31). 
2.  Remove all power: 
a.  Disconnect each power cord from the power source. 
b.  Disconnect each power cord from the server. 
3.  Do one of the following: 
o  Extend the server from the rack (on page 32). 
o  Remove the server from the rack (on page 34). 
4.  Remove the access panel ("Access panel" on page 37).