Removing and replacing Tier 1 CRUs
Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at
your request, you will be charged for the installation.
The illustrations in this document might differ slightly from your hardware.
Removing the cover
Attention:
might damage server components. For proper cooling and airflow, replace the cover
before you turn on the server.
To remove the cover, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and all peripheral devices, and disconnect the power cords
3. Slide the server out of the rack and place it on a flat, static-protective surface.
4. Press the cover-release button.
5. Slide the cover back approximately 1.27 cm (0.5 inches); then, lift it off the
6. If you are instructed to remove the bezel, complete the following steps.
28
IBM System x3250 Types 4364, 4365, and 4366: Problem Determination and Service Guide
Operating the server for more than 2 minutes with the cover removed
on page 25.
and all external cables.
Cover-release
button
server.
Release
latch