Figure 1-5. Removing The Cooling Fans - Dell PowerEdge 8450 Systems Guia Del Usuario

1-8 Microprocessor Board Upgrade Guide
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9. To remove the cooling fans and fan bay housing, perform the following steps:
a. To access the fan bays, remove the fan bay cover's retention screw, releas-
ing the cover from the retention tabs, and lift the cover (see steps 1 through
3 in Figure 1-5).
fan bay cover
cooling fan
fan bay cover
retention screw

Figure 1-5. Removing the Cooling Fans

b. Remove the six fans (step 4 in Figure 1-5).
c. Using the 1/4-inch nut driver, remove the three screws securing the fan bay
housing to the system chassis.
The three screws are at the front and at each end of the fan bay housing (see
Figure 1-6).