IBM 86884RX Maintenance Manual - Page 118
Replacing
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4. Push the replacement fan assembly into the server until it clicks into place. Fan 4 Latch release Fan 3 Fan NOTE: FOR PROPER FRONT OF BOX AIRFLOW, REPLACE FAN WITHIN 2 MINUTES 2 NOTE: FOR PROPER FRONT OF BOX AIRFLOW, REPLACE FAN WITHIN 2 MINUTES Fan 1 5. If you have other options to install or remove, do so now. 6. Close the server cover (see "Closing the cover" on page 111). Replacing fan 3 or 4 Fan 3 and fan 4 are located in front of the PCI-X slots. These fans are redundant, meaning that if one fails, the remaining fan will temporarily speed up to properly cool server components. Attention: All fans must be replaced within 48 hours of failing. Complete the following steps to replace fan 3 or 4: 1. Read the safety information beginning on page 197 and "Installation guidelines" on page 77. 2. Press the latch release to the right, and let the handle come up. 3. Grasp the handle, and lift the fan out of the server. 4. Turn the new fan so that the latch release on the top of the fan is to the right side of the server. 5. With the handle raised, push the replacement fan assembly into the server until it clicks into place. 108 IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide