Dell PowerEdge 2800 - Manual (Page 51)

1. Slide the left and right edges of the bracket into the two corresponding channels on the inside of the system chassis back panel. See Figure 6 -7 .
2. Lower the bracket into the system until the two tabs on the top edge of the bracket fit into the slots in the system back panel.
Removing an Expansion-Card Fan
1. Open the system. See " Opening the System " in "Troubleshooting Your System."
2. Compress the two latches on the top of the fan, then remove the fan. See Figure 6 -8 .
When installing the fan, ensure that the power connector on the fan is aligned with the connector on the center fan bracket. See Figure 6 -8 .
Figure 6-8. Installing and Removing an Expansion-Card Fan
Power Supplies
Removing a Power Supply
1. Disconnect the power cable from the power source.
2. Disconnect the power cable from the power supply.
3. Loosen the thumbscrew on the release lever, then open the lever and slide the power supply out of the chassis. See Figure 6 -9 .
Figure 6-9. Installing and Removing a Power Supply
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
NOTICE: The system requires one power supply for the system to operate normally. The system is in the redundant mode when two power supplies
are installed and both power supplies are connected to an AC power source. Remove and replace only one power supply at a time in a system that is
powered on.
NOTICE: If only one power supply is installed, it must be installed in the left power supply bay (1).