Technical data

Figure 3–26: Removing the Fan Tray

MLO-004220

Captive Screws

Remove the fans as follows:

1. Open the lower access door.

2. Remove or reroute any option cables away from the fan tray.

3. Unplug the power cord from the ac wall outlet.

4. Loosen the two captive screws that hold the fan tray to the chassis.

5. Pull out the fan tray (Figure 3–26) and ﬂip it onto itsback(Figure3–27).

6. Disconnect the dc power cable connector from the fan.

7. Remove the center screw and bracket securing both fans to the tray

(Figure 3–27).

8. Remove the fans.

NOTE: It is recommended that fans be replaced in sets (or pairs).

9. To replace the fan tray, follow the removal procedure in reverse.

BA430/BA440 FRU Removal and Replacement 3–37