IBM System x3400 Type 7973, Problem Determination And Service Manual

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Removing the rear system fan cage assembly with baffle
Attention:
v Replace a failed fan within 48 hours.
v
To ensure proper cooling and airflow, do not operate the server for more than 30
minutes with the side cover removed.
To remove the rear system fan cage assembly with baffle, complete the following
steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 95.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Unlock and remove the side cover (see “Removing the side cover” on page
100).
4. Disconnect the rear system fan cage assembly cable from the system board,
making a note of where the cable was connected for later installation.
5. Pull outward on the spring-loaded lock pin and slide the rear system fan cage
assembly to the left to release it from the mounting tabs on the chassis; then,
remove it from the server.
6. 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 rear system fan cage assembly with baffle
Attention:
v Replace a failed fan within 48 hours.
v
To ensure proper cooling and airflow, do not operate the server for more than 30
minutes with the side cover removed.
To install the rear system fan cage assembly with baffle, complete the following
steps:
1. Unlock and remove the side cover (see “Removing the side cover” on page
100).
2. Insert the rear system fan assembly retainer tabs into the corresponding
mounting tabs on the chassis; then, slide the rear fan cage assembly to the
right until it locks into the mounting tabs on the chassis.
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System x3400 Types 7973, 7974, 7975, and 7976: Problem Determination and Service Guide