9431FA
5.Loosen the retaining screws on the power supply.
+DC
9432FA
6.Lift the extractor lever to disconnect the power supply from the backplane connector.
Slide the power supply partway out of the chassis.
+DC
+DC 
-DC
9427EB
7.Disconnect the positive and negative voltage leads from the power supply terminals.
9415FB
8.Disconnect the grounding cable from the ground lug on the power supply.
7