CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
S004
CAUTION:
When replacing the lithium battery, use only Lenovo specified part number or an equivalent type of
battery recommended by the manufacturer. If your system has a module containing a lithium battery,
replace it only with the same module type made by the same manufacturer. The battery contains
lithium and can explode if not properly used, handled, or disposed of.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
S005
CAUTION:
The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it
only with the approved part. Recycle or discard the battery as instructed by local regulations.
Attention:
• Read
“Installation Guidelines” on page 29 and “Safety inspection checklist” on page 30 to ensure that you
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 34.
• Remove any locking device that secures the server, such as a Kensington lock or a padlock.
• Place the server on its side with the cover up.
Procedure
Step 1. Make preparation for this task.
a. Remove the server cover. See
“Remove the server cover” on page 135.
Attention: The heat sink and processor could be very hot. To avoid burning yourself, wait for a
few minutes after turning off the server before you remove the server cover.
Chapter 5. Hardware replacement procedures 35
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