Removing An Ac Power Supply Unit Or Cooling Fan Module; Installing An Ac Power Supply Unit Or Cooling Fan Module - Dell MD1420 Hardware Owner's Manual

Removing an AC power supply unit or cooling fan module

NOTE: If you remove a fully functioning power supply or cooling fan module, the fan speed in the remaining module
increases significantly to provide adequate cooling. The fan speed decreases gradually when a new power supply or
cooling fan module is installed.
1. Turn off the power supply unit or cooling fan module.
2. Disconnect the power cable from the power source.
3. Remove the Velcro straps that secure the power cable and then disconnect the power cable from the power supply or cooling fan
module.
WARNING: The power supply unit or cooling fan modules are heavy. Use both hands while removing the module.
4. Press the release tab and pull the power supply out of the chassis.
Figure 13. Removing and installing a power supply unit or cooling fan module
1. release tab
2. power supply unit
3. EMM or Power Supply Cage

Installing an AC power supply unit or cooling fan module

1. Slide the power supply unit or cooling fan module into the chassis until the release tab clicks into place.
2. Connect the power cable to the power supply unit or cooling fan module and plug the cable into a power outlet.
3. Secure the power cable using the Velcro strap.
Installing enclosure components 17