Power off the system.
See the power off instructions in Chapter 11, Powering Off and On .
Locate the fan tray assembly (Figure E-13) at the back of the card cage.
The fan tray includes two connectors and a switch.
Disconnect the cables from the fan tray assembly.
Loosen the two captive screws on the left side that secure the fan tray assembly to the cabinet.
Pull and slowly remove the fan tray assembly from the cabinet.
Carefully insert the fan tray assembly into the cabinet.
Viewed from the rear of the system, the fan tray is on the left side of the cabinet (Figure E-13).
DO NOT FORCE the fan tray assembly into the slot; this can cause damage to the fan tray assembly and system.
The fan tray assembly should insert and seat smoothly. If it binds, remove it, and inspect the slot for any obvious obstructions. Do not damage the springfingers at the bottom of the fan tray assembly.
Tighten the two captive screws to secure the fan tray in place.
Reconnect the cables.
Power on the Enterprise system.
See the power on instructions in Chapter 11, Powering Off and On .