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Removing and Replacing Parts 4-21
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Remove the PSPB as follows:
1. Slide the system board tray out to the service position.
See “Accessing the Interior of the System” in Chapter 1 for instructions.
2. Disconnect all power harnesses and cables from the PSPB.
3. Loosen the captive screw securing the PSPB to the chassis wall
(see Figure 4-16).
4. Slide the PSPB toward the power supplies about a quarter of an inch until it
disengages from the hooked tabs in the chassis wall, and lift it out.
When installing a replacement PSPB, position the PSPB against the chassis
wall so that the tabs on the chassis wall fit through the corresponding slots in
the PSPB, slide the PSPB toward the front of the chassis until it is firmly
engaged in the tabs, and tighten the screw.
When replacing the power harnesses and cables, refer to “PSPB and System
Power Supplies” in Chapter 1 for cable routing information.
PSPB
screw