2. Turn off the server (see “Turning off the server” on page 22) and remove the
peripheral devices cables, excluding the power supply cable. Disconnect all
external cables from the server.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see “Handling static-sensitive devices” on page 37.
3. Turn off the circuit breaker(s) for the power supplies.
4. If the server is in a rack, at the back of the server, pull back the cable
management arm to gain access to the rear of the server and the power
supply.
5. Press and hold the orange release tab to the left. Grasp the power supply
handle and pull the power supply out of the server.
Filler
panel
Power supply
release tab
Spacer
Spacer
release tab
750-watt -48 volt dc
power supply
6. Detach the dc power cable from the power supply.
7. If you are not installing a new power supply, reinstall the power supply filler
in the bay.
8. Facing the rear of the server, pull the spacer release tab on the power supply
spacer to the right, use your finger to grasp the hole on the side of the spacer,
and slide the power supply spacer out of the server.
Note: You only need to remove the spacer if you are removing all of the
750-watt -48 V to -60 V dc power supplies or 900-watt power supplies from
the server and installing 1400-watt power supplies.
9. Set the power supply spacer aside.
10. If you are instructed to return the power supply, follow all packaging
instructions, and use any packaging materials for shipping that are supplied
to you.
Replacing a 750-watt -48 volt to -60 volt dc power supply
This information provides instructions on how to replace a 750-watt -48 volt to -60
volt dc power supply.
310 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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