Hitachi Advanced Server HA820 G2 User Guide  44 
Installing the air baffle
 
Procedure 
1.
 
Observe the following alerts. 
CAUTION: 
For proper cooling, do not operate the server without the access panel, baffles, expansion 
slot covers, or blanks installed. If the server supports hot-plug components, minimize the amount of 
time the access panel is open.
 
 
CAUTION: 
Do not detach the cable that connects the battery pack to the cache module. Detaching the 
cable causes any unsaved data in the cache module to be lost.
 
2.
 
Install the air baffle. 
 
Removing a riser cage
 
CAUTION:
 To prevent damage to the server or expansion boards, power down the server and remove all 
AC power cords before removing or installing the PCI riser cage.
 
Procedure 
1.
 
Power down the server. 
2.
 
Remove all power: 
a.
 
Disconnect each power cord from the power source. 
b.
 
Disconnect each power cord from the server.