IBM 9228 Service Guide - Page 93

Removing the microprocessor and fan sink

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4. Secure any cables that you removed from the fan baffle. 5. Push the drive cage outward, and press in on the drive-cage release lever; then, rotate the drive cage completely into the chassis. 6. Press down on the power-supply release latch and rotate the power supply into the chassis. Return the power-supply handle into position. 7. Replace the bezel (see "Installing the two-piece bezel" on page 35). 8. Replace the side cover (see "Installing the side cover" on page 32). 9. Reconnect all external cables and power cords; then, turn on all attached devices and the computer. Removing the microprocessor and fan sink To remove the microprocessor and fan sink, complete the following steps: 1. Read the safety information that begins on page vii and "Installation guidelines" on page 29. 2. Turn off the computer and all attached devices; then, disconnect all external cables and power cords. 3. Turn the computer on its side so that it is lying flat, with the cover facing up. 4. Remove the side cover (see "Removing the side cover" on page 31). 5. Lift the power-supply handle and rotate the power supply out of the chassis. 6. Press and hold the drive-cage release lever; then, rotate the drive cage completely out of the chassis until the retaining tab on top of the cage locks into place. 7. Disconnect any cables that impede access to the fan sink and microprocessor. Attention: The fan-sink retention lever is spring-loaded when the fan sink is in place. Releasing the lever too quickly or allowing it to spring upward can damage the fan sink and surrounding components. 8. To remove the fan sink from the microprocessor complete the following steps. Chapter 4. Removing and replacing computer components 75

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4.
Secure any cables that you removed from the fan baffle.
5.
Push the drive cage outward, and press in on the drive-cage release lever;
then, rotate the drive cage completely into the chassis.
6.
Press down on the power-supply release latch and rotate the power supply into
the chassis. Return the power-supply handle into position.
7.
Replace the bezel (see “Installing the two-piece bezel” on page 35).
8.
Replace the side cover (see “Installing the side cover” on page 32).
9.
Reconnect all external cables and power cords; then, turn on all attached
devices and the computer.
Removing the microprocessor and fan sink
To remove the microprocessor and fan sink, complete the following steps:
1.
Read the safety information that begins on page vii and “Installation guidelines”
on page 29.
2.
Turn off the computer and all attached devices; then, disconnect all external
cables and power cords.
3.
Turn the computer on its side so that it is lying flat, with the cover facing up.
4.
Remove the side cover (see “Removing the side cover” on page 31).
5.
Lift the power-supply handle and rotate the power supply out of the chassis.
6.
Press and hold the drive-cage release lever; then, rotate the drive cage
completely out of the chassis until the retaining tab on top of the cage locks
into place.
7.
Disconnect any cables that impede access to the fan sink and microprocessor.
Attention:
The fan-sink retention lever is spring-loaded when the fan sink is
in place. Releasing the lever too quickly or allowing it to spring upward can
damage the fan sink and surrounding components.
8.
To remove the fan sink from the microprocessor complete the following steps.
Chapter 4. Removing and replacing computer components
75