IBM 7012 300 Series Installation And Service Manual page 95

9. Remove the fan from the air duct by pulling the fan gently away from the air duct.
Replacement
1. If the fan was removed, install the fan back into position in the air duct. Place the fan into
position on the system unit frame and pull the shock mounts through the holes in the
system unit frame and reconnect the fan cable to the front fan connector located on the
right side of the hard file mounting frame.
2. Plug the voltage regulator card into the CPU card and align both cards in their slots and
connectors, and press down firmly.
3. Install the CPU support bracket.
4. Replace the top cover.
5. Set the power switch of the system unit to On.
6. Set the power switches of the attached devices to On.
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Installation and Service Guide