Air Shroud; Removing The Air Shroud - Dell EMC PowerEdge R940 Installation And Service Manual

Figure 20. Inside the system — Four processor system with processor expansion module (PEM)
1 hard drive/SSD backplane with expander board
3

air shroud

5 left expansion card riser
7 network daughter card riser
9 processor expansion module (PEM)
11 heat sink (CPU4)
13 information tag
Air shroud
The air shroud directs the airflow across the entire system. Air shroud prevents the system from overheating and is used to maintain
uniform airflow inside the system.

Removing the air shroud

Prerequisites
CAUTION: Never operate your system with the air shroud removed. The system may get overheated quickly, resulting in
shutdown of the system and loss of data.
1 Follow the safety guidelines listed in
2 Follow the procedure listed in
Safety instructions.
Before working inside your
2 cooling fan (8)
4 heat sink (CPU3)
6 storage controller card
8 system board
10 right expansion card riser
12 memory module (48)
system.
Installing and removing system components 67