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Chapter 4 111
Field Replaceable Units
FRU Removal and Replacement
Figure 4-16. Removing the Fan from the Hard Disk Drive Chassis
Removing the Fans from the CPU Area
This section provides the procedure for removing the cooling fans from the CPU area of the
system unit’s chassis. You will need to remove these fans when they need replacement or
repair and when you need to remove the system board.
Here are the steps necessary for removing the fans from the CPU area of the system unit’s
chassis.
1. Remove the system units left side panel. See the section “Opening the Left Side Panel of
the System Unit” in this chapter.
2. Lay the system unit on its right side (determined by facing the system units front
panel), and remove the power supply. See the section “Removing the Power Supply” in
this chapter.
3. Unplug the power cables for the fans as shown in Figure 4-18., and position yourself so
you are facing the back of the system unit. See Figure 4-17.
Fan Bracket Handle
DIMM Card Connector
Bottom Alignment Hole
Fan Bracket
Guide
DIMM Card
Memory Fan
Bottom
Alignment Tab
Top
Alignment
Tab
Fan Bracket