IBM IntelliStation E Pro, Hardware Maintenance Manual

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4. Disconnect the internal power supply cables.
5. Remove the two screws that secure the power supply to the chassis.
6. Lift the power supply out of the chassis.
To replace the power supply, reverse the previous steps.
Microprocessor/fan-sink assembly
Note: Read “Before you begin” on page 41, “Handling electrostatic
discharge-sensitive devices” on page 132, and the safety notices at “Safety
information” on page 129.
Complete the following steps to remove the microprocessor and fan-sink assembly:
1. Turn off the computer and attached devices; then, disconnect all external cables
and power cords.
2. Remove the cover and the frame-support bracket (see“Removing the cover of
the 6216” on page 45 and “Removing the frame-support bracket” on page 45).
3. Remove the air baffle (see “Baffle” on page 79).
4. Rotate the CD-ROM drive cage up.
5. Disconnect any cables that impede access to the microprocessor.
Note: The fan and underlying heat sink are attached and do not need to be
separated from each other. Remove the fan-sink assembly from the
microprocessor as a single unit.
6. Remove the fan-sink assembly from the microprocessor:
FRU information (service only)
83