v Take additional care when handling devices during cold weather. Heating
reduces indoor humidity and increases static electricity.
Removing the side cover
Use this information to remove the side cover.
Attention: Operating the server for more than 30 minutes with the side cover
removed might damage server components. For proper cooling and airflow, install
the side cover before you turn on the server.
For 4U server models with non-hot-swap power supplies, complete the following
steps to remove the side cover. For the 5U server model with hot-swap power
supplies, please see the next sub-section.
1. Read the safety information in “Safety” on page vii and “Installation
guidelines” on page 35.
2. Turn off the server and peripheral devices and disconnect the power cords and
all external cables (see “Turning off the server” on page 26).
3. 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.
4. Unscrew the two chassis screws on the rear side of the server.
5. Pull the rear side cover handle and push the front side cover handle at the
same time.
Attention: For proper cooling and airflow, replace the server cover before you
turn on the server.
6. If you are instructed to return the side cover, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
For the 5U server model with hot-swap power supplies, complete the following
steps to remove the side cover. For 4U server models with non-hot-swap power
supplies, please see the above sub-section.
Chassis screws
Figure 18. Side cover removal for 4U server model with non-hot-swap power supplies
38 System x3100 M5 Type 5457: Installation and Service Guide
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