To Install The System Fans - DataON DNS-2670 User Manual

Loosen the screws that secure the back cover.
Remove the back cover out of the system fan cage.
Remove the single fan from the system fan cage.

2.7.2 To install the system fans

Reverse the steps above to install the system fans.

When installing the system fan cage into the chassis, the arrows on the system fan
cage must point to the direction of power supplies.

When installing the system fans, recommend to install them in the order of system
fan 1 and system fan 12 from left to right.
22
Figure 2-22 Removing the Back Cover
Figure 2-23 Removing the System Fan