Circuit
Breaker
ACFuse
115VAC
Power-On
Indicator
230VAC
Power-On
Indicator
Voltage
Selection
Switch
ACPower
Output
ACPower
Input
Cooling fan
Toremove the cooling fan:
1. Power-off the rack.
2. Open the rear door of the rack cabinet.
3. Disconnect the power plug from the rear of the cooling fan.
4. Use a 5/16-inch wrench to remove the eight nuts that secure the cooling fan to
the top of the rack cabinet.
5. Remove the cooling fan from the cabinet.
Note: When installing the fan, make sure that the green and yellow ground wire is
attached to one of the top fan mounting screws and that the strain-relieving
clamp is attached to another. The power cable should be secured by the
44 Hardware Maintenance Manual: IBM PC Server/Enterprise Racks Types 9306, 9308