Dell PowerEdge 750 - Manual (Page 51)

Installing a Fan Assembly
1. Align the holes in the fan assembly with the two fan assembly securing posts.
2. Lower the fan assembly until the release levers snap onto the securing posts.
3. Route the hard drive 1 data cable in the fan assembly cable tray.
4. Reconnect the hard drive 1 data cable to the hard drive.
5. Reconnect the fan assembly power cable to the connector on the system board. See Figure 6 -4 .
6. Install the cooling shroud. See " Installing the Cooling Shroud ."
7. Close the system. See " Closing the System " in "Troubleshooting Your System."
Power Supply
The system supports a single nonredundant power supply.
Removing the Power Supply
1. Open the system. See " Opening the System " in Troubleshooting Your System."
2. Disconnect the following power supply cables:
a. P3 from the hard drive cable harness
b. P2 from system board connector CN2
c. P1 from system board connector CN1
3. Loosen the captive screw at the front of the power supply that secures the power supply to the chassis. See Figure 6 -5 .
4. Slide the power supply forward and lift straight up to remove the power supply from the chassis.
Figure 6-5. Installing and Removing the Power Supply
CAUTION: See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.