Removing A Hot-Swap Power Supply; Lever For Power Supply Removal - IBM TotalStorage DS4300 Installation, User's, And Maintenance Manual

AC power switches
AC power connectors
Strain-relief clamp

Removing a hot-swap power supply

Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following label
attached.
Hazardous voltage, current, and energy levels are present inside any component that
has this label attached. There are no serviceable parts inside these components. If you
suspect a problem with one of these parts, contact a service technician.
To remove a hot-swap power supply, perform the following steps:
1. Turn off the ac power switch. See Figure 94.
Figure 94. Lever for power supply removal
2. Unplug the power cord from the electrical outlet.
3. Disconnect the power cord from the ac power connector on the power supply.
4. Remove the nut and strain-relief clamp from the rear of the power supply.
5. Remove the power supply from the storage subsystem, as follows:
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IBM TotalStorage DS4300 Fibre Channel Storage Subsystem: Installation, User's, and Maintenance Guide
Use these switches to turn the power supplies on and off. You must turn on
both switches to take advantage of the redundant power supplies.
This connection is for the ac power cord.
Use this clamp to provide strain relief on the power cord.
Lever
AC power
AC power Strain-relief -
connector clamp
switch
a. Grasp the pull-ring on the power-supply lever and squeeze the latch to
release it.