Dell POWEREDGE 1950 - Manual (Page 50)

50 Installing System Components
Removing the Plastic Fan Guide
NOTE: The plastic fan guide is mounted to the chassis between the fans.
NOTE: You may need to remove the system from the rack.
1 Remove the cooling fan modules. See "Removing a Cooling Fan Module" on page 48.
2 Remove the system from the rack. See the Rack Installation Guide for your system.
3 Place the system upside-down on a flat surface.
4 Using a #2 Phillips screwdriver, remove the two screws from the bottom of the chassis that secure the fan
bracket.
5 Turn the system right-side up, place it on a flat surface, and then remove the fan bracket.
Replacing the Plastic Fan Guide
1 While the system is out of the rack, and with the top cover removed, place the system on its side on a flat
surface.
2 Place the fan bracket into its location inside the chassis.
3 Holding the fan bracket in place, use a #2 Phillips screwdriver to replace the two screws on the bottom of
the chassis.
4 Place the system right-side up on a flat surface.
5 Replace the cooling fan modules. See "Replacing a Cooling Fan Module" on page 49.
6 Replace the system in the rack. See the Rack Installation Guide for your system.
Cooling Shrouds
Your system contains two cooling shrouds.
• System board cooling shroud
• Memory cooling shroud
System Board Cooling Shroud
The system board cooling shroud directs airflow over the system memory modules, channeling the air from the
four fan modules. See Figure 3-5.