8. Lift the server cover off the server and set the server cover aside.Attention: For proper cooling and airflow, replace the server cover before youturn on the server.Removing air bafflesThere are two air baffles inside the server. These air baffles direct air to coolcomponents inside the server. You might have to remove these baffles to accesscertain components or connectors on the system board such as DIMMS, IDEcables, or microprocessors.To remove an air baffle, complete the following steps:1. Read the safety information that begins on page v and “Installation guidelines”on page 9.2. Turn off the server and peripheral devices and disconnect the power cords andall external cables, if necessary; then, remove the server cover.3. To remove the air baffle that is closest to the wall of the server, complete thefollowing steps.Baffle mountingholeBaffle pinTabsBafflea. Slide the baffle back from the front of the server to disengage the tab at thefront of the baffle from the bulkhead that runs the width of the server.b. Lift the baffle up, making sure that the pins come out of the holes on thesystem board.Attention: For proper cooling and airflow, replace the air baffle before youturn on the server. Operating the server with the air baffle removed mightdamage server components.12 IBM System x3550 Type 7978: Installation Guide
