Spacer
750-watt ac
power supply
Power supply
release tab
Spacer
release tab
Step 6. Detach the dc power cable from the power supply.
Step 7. If you are not installing a new power supply, reinstall the power supply filler in the bay.
Step 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.
Step 9. Set the power supply spacer aside.
Step 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 topic provides instructions about how to replace a 750-watt -48 volt to -60 volt dc power supply.
The following notes provide information that you must consider when you install a 750-watt -48 V to -60 V dc
power supply. To confirm that the server supports the power supply that you are installing, see
Attention:
• This information apply to both the 4-socket and 8-socket servers.
• Only trained service technicians, other than Lenovo service technicians, are authorized to install and
remove the 750-watt -48 V to -60 V dc power supply, and make connections to or disconnections from
the 750-watt -48 V to -60 V dc power source.
• Lenovo service technicians are not certified or authorized to install or remove the 750-watt -48 V to -60 V
dc power cable. You are responsible for ensuring that only a trained service technician install or remove
the -48 V to -60 V dc power cable.
• To reduce the risk of electric shock or energy hazards when installing the 750-watt -48 V to -60 V dc
power supplies, take the following steps:
– Use a circuit breaker that is rated 40 amps.
– Use 4 mm2 (10 AWG) at 60° C copper wire.
– Cut the power cable wires to the correct length, but do not cut the wires shorter than 150 mm (6
inches).
.
Removing and replacing components
297
Summary of Contents for 6241
Page 1: ...System x3850 X6 and x3950 X6 Installation and Service Guide Machine Type 6241 ...
Page 6: ...iv System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 56: ...42 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 82: ...68 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 132: ...118 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 158: ...144 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 214: ...200 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 358: ...344 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1938: ...1924 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1964: ...1950 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1968: ...1954 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1975: ...Taiwan Class A compliance statement Appendix F Notices 1961 ...
Page 1976: ...Taiwan BSMI RoHS declaration 1962 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1988: ...1974 System x3850 X6 and x3950 X6 Installation and Service Guide ...
Page 1989: ......
Page 1990: ......