Dell PowerEdge 850 - Manual (Page 45)

Installing the Cooling Shroud
1. Ensure that no tools or loose parts are left inside the system.
2. Align the anchor tabs on the cooling shroud with the notches in the system chassis.
3. Reposition the SCSI cable and power cables so they do not obstruct the memory modules and interfere with installing the cooling shroud.
4. Gently lower the cooling shroud until the shroud release tab on the back panel snaps into place.
5. Reconnect the power cable(s) to the SCSI backplane (if applicable) or the hard drive(s).
System Fans
The system includes the following cooling fans:
l Front system fan
l Back system fan
Removing the Front System Fan
Figure 6 -2 illustrates the front system fan inside the system and the fan cable routing hole in the expansion-card guide bracket.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the bezel. See " Removing the Bezel " in "Troubleshooting Your System."
3. Lay the system on its right side.
4. Remove the cover. See " Removing the Cover " in "Troubleshooting Your System."
5. Disconnect the fan power cable from the FRONT_FAN connector on the system board. See Figure 6 -2 .
Figure 6-2. Front System Fan Power Cable
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.