IBM 7378, Problem Determination And Service Manual

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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 left-side cover (see “Removing the left-side cover” on
page 181).
5. Remove the hot-swap power supply or power supplies from the power-supply
cage (see “Removing a hot-swap power supply” on page 273).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 154).
7. If any full-length PCI adapters are installed, remove them (see “Removing an
adapter” on page 214).
8. Remove the air baffle (see “Removing the air baffle” on page 212).
9. Press the fan cage release latches on each side of the fan cage toward the
sides of the server. The fan cage will lift up slightly when the release latches
are fully open.
10. Grasp the fan cage assembly and lift it out of the server.
11. If you are instructed to return the fan cage assembly, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Installing the fan cage assembly
To install the fan cage assembly, complete the following steps.
Attention: Make sure that all wires and cables inside the server are routed
correctly before you install the fan cage assembly. Wiring that is not properly routed
might be damaged or might prevent the fan cage assembly from seating properly in
the server.
1. Align the guides on the fan cage with release latches on each side.
2. Push the fan cage assembly into the server until both release buttons click into
place.
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IBM System x3400 M3 Types 7378 and 7379: Problem Determination and Service Guide