IBM 7163, Руководство по диагностике и обслуживанию

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4. Remove the microprocessor/memory card support structure (see “Removing the
microprocessor/memory card structure” on page 65).
5. Note where the fan cable is connected to the I/O board and disconnect the
cable.
6. Remove the front fan board from the alignment pins and lift the board out of the
server.
7. If you are instructed to return the front fan board, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Replacing the front fan board
To install the replacement front fan board, complete the following steps:
1. Align the front fan board with the alignment pins on the chassis and install the
board.
2. Connect the fan cable.
3. Install the microprocessor/memory card support structure (see “Replacing the
microprocessor/memory card structure” on page 66).
4. Install the top cover (see “Replacing the top cover” on page 42).
5. Connect the cables and power cords (see “Connecting the cables” on page 40
for cabling instructions).
6. Turn on all attached devices and the server.
Removing the I/O board assembly
To remove the I/O board assembly, complete the following steps.
Retainer
screws
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 37.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables necessary to replace the device.
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IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide