Lenovo 7D7Q, Maintenance Manual

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Step 1. Remove the power supply filler if necessary.
Step 2. Align the power supply unit with the bay; then, slide the power supply unit into the bay until it snaps
into position.
Figure 93. Hot-swap power supply unit installation
After you finish
1. Connect the power cable to the power supply and a properly grounded electrical outlet.
2. Complete the parts replacement. See
“Complete the parts replacement” on page 140 .
Power distribution board replacement
Use the following information to remove and install the power distribution board.
Remove the power distribution board
Use this information to remove the power distribution board.
About this task
Attention:
• Read the following section(s) to ensure that you work safely.
– “Safety” on page iii
– “Installation Guidelines” on page 51
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 11 .
• If the server is installed in a rack, remove the server from the rack.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
BPZOAqQMD37KjuxaVHVBkH
.
Procedure
Step 1. Make preparations for this task.
Chapter 4
.
Hardware replacement procedures
109