IBM 7378, Problem Determination And Service Manual

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Removing the power-supply cage
To remove the power-supply cage, complete the following steps:
1. Read the safety information that begins on page vii and “Handling
static-sensitive devices” on page 151.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
3. Remove the power supply or power supplies from the power-supply cage (see
“Removing a hot-swap power supply” on page 273).
4. 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.
5. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 181).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 154).
7. Remove the air baffle (see “Removing the air baffle” on page 212).
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IBM System x3400 M3 Types 7378 and 7379: Problem Determination and Service Guide