Lenovo ThinkSystem HR330A - Heat Sink Replacement

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Riser card Removal
To reinstall, reverse the steps above.
Special Note: Refer to the table below for the specifications and the assigned slots for PCIe cards supported by HR330A.
Slot no.
Supported size
Slot specifications
1
Half-height,
half-length
×8
2
Half-height,
half-length
×16
3
Half-height,
half-length
×8
2.2.10 Heat sink replacement
Do not proceed before reading and understanding the "Safety Precautions" section of this chapter and "Read Me First".
CAUTION:
The heat sink might be very hot. Turn off the server and wait several minutes to let the server cool before removing
the server cover.
To remove a heat sink, do the following:
1. Turn off all attached devices and the server.
2. Disconnect the ac power cord from the electrical outlet.
3. Remove the top cover. See "2.2.3 Top cover replacement".
4. Remove the air baffle. See "2.2.6 Air baffle replacement".
5. Unscrew the heat sink with torque screwdriver and follow the sequence 1-2-3-4 in figure.