144  |   Installing System Components 
 
 
Air Baffle 
Removing the Air Baffle  
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 came with 
the product. 
1  Remove the system-board assembly. See “Removing a System-Board 
Assembly" on page 142. 
2  When removing the air baffle for 2U node, the expansion-card 
assembly for 2U node must be removed first. See Figure 3-17. 
3  Lift the two air baffles out of the system-board assembly. See Figure 3-
10. 
Figure 3-10.   Removing and Installing the Air Baffles