Power Supply Removal - Desktop Model - IBM 2254 Hardware Maintenance Manual

2. Turn off the system and peripheral devices and disconnect all external cables
3. Push down on the retainer clip, and at the same time, use a flat bladed
4. Carefully remove the other metal loop from the hook attaching the fansink to
5. Pull out and lift up the release lever and remove the microprocessor from the

Power supply removal - Desktop Model

1. Remove the cover. See "Removing the cover - desktop model" on page 34.
2. Remove the four screws that hold the power supply to the back of the chassis.
3. The power supply is attached to the base of the chassis by a latch on the front.
4. Lift out the power supply.
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Hardware Maintenance Manual
and power cords; then, remove the cover (see "Removing the cover - desktop
model" on page 34 for details).
screwdriver to carefully pry the metal loop from under the hook attaching the
fansink to the processor.
the processor. Lift up and remove the fansink.
Note: Once you remove the heat sink from the microprocessor, you must
replace it with a new device.
connector. Store the microprocessor in a static-protective bag for possible future
use.
Slide the power supply forward to dislatch if from the chassis.