Removing And Replacing Consumable Parts And Tier 1 Crus; Removing The Cover; Installing The Cover - IBM System x3550 M3 Type 4254 Problem Determination And Service Manual

Removing and replacing consumable parts and Tier 1 CRUs

Replacement of consumable parts and Tier 1 CRUs is your responsibility. If IBM
installs a consumable part or Tier 1 CRU at your request, you will be charged for
the installation.
Note: The illustrations in this document might differ slightly from your hardware.

Removing the cover

To remove the server cover, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices and disconnect the power cords and
3. If the server has been installed in a rack, slide the server out from the rack
4. Press down firmly on the blue tab on the top (near the front of the server) of the
5. Lift the server cover off the server and set it aside.
Attention:
turn on the server.

Installing the cover

To install the server cover, complete the following steps:
1. Make sure that all cables, adapters, and other components are installed and
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IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
on page 167.
all external cables, if necessary.
Note: When you disconnect the power source from the server, you lose the
ability to view the LEDs because the LEDs are not lit when the power source is
removed. Before you disconnect the power source, make a note of which LEDs
are lit, including the LEDs that are lit on the operation information panel, on the
light path diagnostics panel, and LEDs inside the server on the system board;
then, see "Light path diagnostics LEDs" on page 104 for information on how to
solve the problem.
Cover
enclosure.
cover and slide the cover toward the rear of the server until the cover has
disengaged from the chassis.
For proper cooling and airflow, replace the server cover before you
seated correctly and that you have not left loose tools or parts inside the server.
Also, make sure that all internal cables are correctly routed.
Tab