IBM 436854u Service Guide - Page 70

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 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, replace the side cover before you turn on the server. To remove the side cover, complete the following steps: 1. Read the safety information that begins on page vii and "Installation guidelines" on page 47. 2. If you are replacing a non-hot-swap component, turn off the server and all attached devices; then, disconnect all power cords and external cables. 3. Unlock the side cover. 4. Press the cover-release latch down, as indicated by the two arrows on the latch, and tilt the top of the side cover away from the chassis. Cover-release latch Key lock 5. Lift the side cover off the server and set it aside. 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. 52 System x3200 M2 Types 4367 and 4368: Problem Determination and Service Guide