IBM System x3400 M3 Types 7378 Installation And User Manual page 70

2. Slide the fan cage assembly into the chassis and press firmly until the fan cage
3. Install the air baffle (see "Installing the air baffle" on page 53).
4. Rotate the power-supply cage assembly back into the server. Press the
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IBM System x3400 M3 Types 7378 and 7379: Installation and User's Guide
is seated firmly in place.
power-supply release tab and rotate the power-supply cage assembly into the
chassis.