HP ProLiant ML350 Gen9, Руководство по техническому обслуживанию и ремонту

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Removal and replacement procedures 59
System battery replacement
If the server no longer automatically displays the correct date and time, then replace the battery that
provides power to the real-time clock. Under normal use, battery life is 5 to 10 years.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. To reduce the risk of personal injury:
• Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
• Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
• Replace only with the spare designated for this product.
To remove the component:
1.
Do one of the following:
o
For tower models, open and remove the tower bezel (" Remove the tower bezel " on page 28 ).
o
For rack models, if installed, remove the security bezel (" Remove the security bezel (optional) "
on page 28 ).
2.
Power down the server (on page 29 ).
3.
Remove all power:
a.
Disconnect each power cord from the power source.
b.
Disconnect each power cord from the server.
4.
Do one of the following:
o
For tower models, place the server on a flat, level surface with the access panel facing up.
o
For rack models, extend the server from the rack (on page 29 ).
5.
Remove the access panel (" Access panel " on page 33 ).
6.
Remove the fan cage (on page 31 ).
7.
Locate the battery on the system board (" System board components " on page 85 ).
8.
If the system battery is secured by a metal tab, do the following:
a.
Use your finger or a small flat-bladed, nonconductive tool to press the metal tab. This will partially
release the battery from the socket.
b.
Remove the battery.
9.
If the system battery is secured by a plastic outer clip, do the following:
a.
Use a small flat-bladed, nonconductive tool to carefully lift the front of the battery from the socket.