Removing A Heat-Sink Retention Module - Lenovo THINKSERVER 3822 Hardware Maintenance Manual

Removing a heat-sink retention module

To remove a heat-sink retention module, complete the following steps:
10. If you are instructed to return the heat-sink retention module, follow all
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Alignment triangle
1. Read the safety information that begins on page 5.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing
up.
Attention: Do not allow the server to fall over.
4. Unlock and remove the side cover (see "Removing the left-side cover" on page
157).
5. Remove the power supply or power supplies from the power-supply cage (see
"Removing a hot-swap power supply" on page 174).
6. Rotate the power-supply cage to its open position (see "Opening the
power-supply cage" on page 158).
7. Remove the air baffle (see "Removing the air baffle" on page 169).
8. Remove the heat sink (see "Removing a microprocessor and heat sink" on
page 218).
9. Using a Phillips screwdriver, remove the four screws that secure the heat-sink
retention module to the system board; then, lift the heat-sink retention module
from the system board.
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Chapter 7. Installing optional devices and replacing customer replaceable units
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