Reverse the removal procedure for fan installation. Connect the relay connectors between the drive and cooling fans. Figure 1. Connect the Relay Connectors Align the notches on the fans with the pins on the drive and install the cooling fans in the drive. Figure 2. Install the Cooling Fans Notch on fan Alignment pins on drive Front of drive Put the cables and connectors in the recess of the drive. Figure 3. Put the Cables and Connectors in the Drive Recess Front of drive Space for cables 1 Push the hooks on the left and right sides of the fan finger guard and click it into place on the drive. Figure 4. Reattach the Fan Finger Guard Energize the drive and set o4-03 = 0 [Fan Operation Time Setting = 0 h] to reset the fan operation time. 1 Make sure that the cables and connectors are in the correct space.