Dell E28S Series, Owner'S Manual, Page: 92 / 220

Cooling shroud
The cooling shroud has aerodynamically placed openings that direct the airflow across the entire
system. The airflow passes through all the critical parts of the system, where the vacuum pulls air
across the entire surface area of the heat sink, thus allowing increased cooling.
Removing the cooling shroud
Before you begin
CAUTION Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
CAUTION Never operate your system with the cooling 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 system section.
Procedure
1. Holding the touch points, lift the cooling shroud away from the system.
Figure 23 Removing the cooling shroud
a. cooling shroud
b. intrusion switch
c. intrusion switch connector on the system board
d. guide on the cooling shroud
e. guide pin
Installing and removing system components
92 Dell PowerEdge R430 Owner's Manual