Exchanging fans in the 5095, 0595, and 7311-D20 expansion units

Use this procedure to remove or replace a fan or air moving device (AMD) in the 5095, 0595, and 7311-D20 expansion units.

1. Are there at least three running fans and two power supplies installed and powered on in the expansion unit?
   • Yes: Continue with the next step.
   • No: Perform the following:
     1. Power off the expansion unit (Powering off an expansion unit).
     2. Remove the power cord from the rear of the expansion unit, and continue with the next step.
2. If you are servicing a rack-mounted unit, place the unit in the service position (see Place the rack-mounted system or expansion unit in the service position).
3. Remove the right or top side cover, depending on expansion unit orientation (see Exchanging covers in the 5095 and 0595 expansion units).
4. Pull the fastener on the front of the fan casing.
5. Pull open and remove the fan. The power connection will undock automatically.
6. Install the new fan by reversing this procedure. After exchanging an item, go to Verifying the repair. This ends the procedure.