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 Hold the fan finger guards at an angle and put the connector tabs on the fan finger guards into the holes on the drive. Note: When you install the cooling fans, make sure that you do not pinch cables between the fan finger guards and the drive. Figure 4. Reattach the Fan Finger Guards Front of drive Insertion area Connector tab Push the hooks on the back side of the fan finger guards and click them into place on the drive. Figure 5. Reattach the Fan Finger Guards 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.