Owners Manual

Air shroud
The air shroud aerodynamically directs the airflow across the entire sled. The airflow passes through all the critical parts of the
sled thus allowing increased cooling.
The PowerEdge MX840c sled has:
● Air shroud on the processor expansion module (PEM)
● Air shroud on the system board
Removing the air shroud from the PEM
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 the Safety instructions section.
2. Follow the procedure listed in the Before working inside your sled section.
Steps
Hold the edges of the air shroud and lift it up and away from the sled.
Figure 19. Removing the air shroud from the PEM
Next steps
1. Install the air shroud on the PEM.
Installing the air shroud on the PEM
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your sled section.
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Installing and removing sled components