Installing The Cooling Fan Assembly - Dell XC720xd Owner's Manual

Figure 21. Removing and installing the cooling fan assembly
1. cooling fan assembly
3. blue release levers (2)
5. cooling fan connectors (6)

Installing the cooling fan assembly

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.
CAUTION: Make sure that the cables are correctly installed and retained by the cable retention
bracket before installing the cooling-fan assembly. Incorrectly installed cables may get damaged.
1. Align the cooling-fan assembly slots with the guide pins on the chassis.
2. Slide the cooling-fan assembly into the chassis.
3. Lock the cooling-fan assembly into the chassis by rotating the blue release levers downward until
firmly seated.
4. Install the system cover.
5. Reconnect the system to its electrical outlet and turn on the system, including any attached
peripherals.
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2. cooling fans (6)
4. guide pins (2)