Lenovo 7D2F, Maintenance Manual

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Before installing the CMOS battery:
1. Read the safety information and installation guidelines (see “Safety” on page iii and “Installation
Guidelines” on page 49 ).
2. Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
3.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=
PLYV5R7hVcs-B2y7oAb54mfyuLrIusa_qE
.
To install the CMOS battery, complete the following steps:
Step 1. Follow any special handling and installation instructions that come with the replacement battery.
Step 2. Face the positive (+) symbol to the center of the server; then, place the battery into the seat until it
clicks in place.
Figure 44. CMOS battery installation
After installing the CMOS battery, complete the following steps:
1. Reinstall the processor and memory expansion tray and expansion tray air baffle (see “Install the
processor and memory expansion tray” on page 113 ).
2. Reinstall the top cover (see “Install the top cover” on page 134 ).
3. Reconnect the power cords and any cables that you removed.
4. Install the server in the rack.
5. Power on the server and any peripheral devices.
Fan and fan cage replacement
Use this procedure to remove or install fan and fan cage assembly.
Remove the fan cage assembly
Use this procedure to remove the fan cage assembly.
S002
CAUTION:
Chapter 3
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Hardware replacement procedures
59