IBM x3400 7975 Problem Determination And Service Manual

Also see for System x3400 Type 7973: User guide Installation guide

Contents

Removing the front system fan cage assemblyAttention:v Replace a failed fan within 48 hours.v To ensure proper cooling and airflow, do not operate the server for more than 30minutes with the side cover removed.To remove the front system fan cage assembly, complete the following steps.1. Read the safety information that begins on page vii and “Installation guidelines”on page 95.2. Turn off the server and all attached devices; then, disconnect all power cordsand external cables.3. Unlock and remove the side cover (see “Removing the side cover” on page100).4. Rotate the power-supply cage assembly out of the chassis:v Hot-swap models:a. Remove the hot-swap power-supply. Press down on the orange releaselever and pull the power supply out of the bay, using the handle.b. Lift up the power-supply cage handle and pull the power-supply cageassembly all the way up until the retainer latch locks the cage in place onthe chassis.v Non-hot-swap models, lift up the power-supply cage handle and pull thepower-supply cage assembly all the way up until the retainer latch locks thecage in place on the chassis.5. Press in on the fan cage assembly release buttons on both sides of the chassisto release the front system fan cage assembly from the connector on thechassis.Fan cage assemblyFan cage assemblyrelease buttons6. Pull the fan cage assembly up and out of the chassis.126 System x3400 Types 7973, 7974, 7975, and 7976: Problem Determination and Service Guide