Asus ESC4000/IB - Manual (Page 39)

2-17 ASUS ESC4000 Series
3. Lift the fan, and then set aside.
4. Repeat step 1 to 3 to uninstall the
other system fans.
To reinstall the system fans
1. Insert the fan into the fan cage.
The airflow directional arrow on the
fan side should point towards the
system rear panel.
2. Insert the system fan cable into the
cable holder, and then connect the
cable to the fan connector on the
motherboard.
2.8.2 Redundant power supply units
To remove the power supply unit (PSU)
1. Lift up the PSU lever.