IBM Power Systems 7063-CR1 Service Manual page 34

Figure 14. Replacing a fan
3. Replace the fan holder into the chassis. Align the holes in the fan holder with the pins in the bottom
of the chassis as shown in Figure 15 on page 19. For the fan holder near the cover switch, temporarily
move the cover switch wires out of the way. When the fan holder is seated into the system, replace
the wires that are located next to the fan holder.
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Power Systems: Servicing the 7063-CR1 Hardware Management Console system