HP 5400 zl Installation And Getting Started Manual page 75

3. Insert the power supply into the opening. Slide it all the way in until it
connects to the switch. The power supply face plate will be flush with the
back face of the switch.
Figure 4-2. Power supply installation
4. Tighten the four retaining screws that hold it in place. Be careful not to
overtighten the screws.
For more detail refer to the HP Switch zl Internal Power Supply Installation
Guide (5991-3787).
Replacing Components
Replacing Power Supplies
tighten the four screws
4-3