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Servicing Field-Replaceable Units 131
Note – You must remove all four power supplies from the system.
■ “Perform Electrostatic Discharge – Antistatic Prevention Measures” on page 73
■ “Remove the Top Cover” on page 73
Do the following:
1. Remove the flex cable retainer.
Loosen the captive No. 2 Phillips screw and lift the retainer up and out of the
chassis.
2. Unplug the flex cable from the power distribution board.
3. Unplug the auxiliary power cable from the power distribution board.
4. Remove the No. 2 Phillips screw.
5. Remove the two 7 mm hex nuts securing the bus bars to the power distribution
board.