Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 42)

NOTE: The procedure for installing each individual fan is the same.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. Lower the fan into the retention base until the fan snaps into position (see Figure 4-8 ).
NOTE: After installing a new fan, allow up to 30 seconds for the system to recognize the fan and determine
whether it is functioning properly. The status indicator will turn green to signify that the fan is functioning
properly (see " Cooling Fan Indicator Codes ").
2. Replace the cover (see " Replacing the Cover ").
System-Fan Bracket
The system-fan bracket mounts two cooling fans to the inside of the rear chassis wall.
Removing the System-Fan Bracket
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. Remove the two system fans (see " Removing a Cooling Fan ").
To identify the system fans, see Figure 4-8 .
2. Remove the system-fan bracket (see Figure 4-9 ):
a. From the rear of the chassis, press the two bracket side tabs inward that protrude through rear chassis wall.
b. Rotate the bottom of the bracket toward the inside of the chassis and then lift the bracket out of the system.
Figure 4-9. Removing and Replacing the System-Fan Bracket