IBM System x3400 M3 Types 7378 Installation And User Manual page 90

18. Reinstall the air baffle (see "Installing the air baffle" on page 53.)
19. Reinstall or close the power-supply cage (see "Closing the power-supply cage"
on page 56 for more information).
20. Reinstall the power supplies.
21. Replace the left-side cover; then, lock the left-side cover and bezel.
22. Reconnect the external cables and power cords.
If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 98.
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IBM System x3400 M3 Types 7378 and 7379: Installation and User's Guide