Lenovo 7D7Q, Руководство по обслуживанию

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CAUTION:
Never remove the cover on a power supply or any part that has this 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.
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. Remove the top cover. See “Remove the top cover” on page 132 .
Step 2. Disconnect the power cables from the system board. See “Fixed power supply unit cable routing”
on page 38 .
Step 3. Remove the fixed power supply unit.
Figure 90. Power supply unit removal
a. Remove the screws on the rear side of the server.
b. Slide the power supply unit forward until the pins align with the opening of the slots.
c. Lift the power supply unit out of the server.
After you finish
Chapter 4
.
Hardware replacement procedures
103