HP Integrity NonStop J-Series - Manual (Page 189)

3. Lower the ejector on the power supply to its fully open position. This action disconnects the
power supply from the power interface board (PIB) and the AC power cord directly behind
it.
4. With one hand, grasp the handle of the power supply and slide the power supply partway
out of the slot.
5. Using your other hand to support the weight of the power supply, slide the power supply all
the way out of the slot.
Power Supply 189