Lenovo ThinkServer RD120, Руководство по техническому обслуживанию аппаратной части

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Removing and replacing FRUs
FRUs must be installed only by trained service technicians.
The illustrations in this document might differ slightly from the hardware.
Removing a microprocessor
Attention:
v Do not allow the thermal grease on the microprocessor and heat sink to come in
contact with anything. Contact with any surface can compromise the thermal
grease and the microprocessor socket.
v
Dropping the microprocessor during installation or removal can damage the
contacts.
v Do not touch the microprocessor contacts; handle the microprocessor by the
edges only. Contaminants on the microprocessor contacts, such as oil from your
skin, can cause connection failures between the contacts and the socket.
To remove a microprocessor, complete the following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 53.
2. Turn off the server and peripheral devices, and disconnect the power cord and
all external cables.
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect power
to the dc power supply. See the documentation that comes with each dc power
supply.
3. Remove the cover (see “Removing the cover” on page 56).
4. Remove the microprocessor air baffle (see “Removing the microprocessor air
baffle” on page 57).
1
Retainer bracket
3
Heat sink release lever
2
Microprocessor
5. Open the heat-sink release lever to the fully open position.
6. Lift the heat sink out of the server.
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ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual