c. Position the heat sink over the microprocessor and slide one of the tabs onthe heat sink into the slot on the retention bracket.Retainer springMicroprocessorHeat sinkHeat-sink lockingleverd. Push the heat sink into position firmly; then, let it rest on the microprocessor.e. Close the heat-sink locking lever to secure the heat sink to themicroprocessor.8. Replace the air-baffle assembly and cover. Go to “Completing the installation”on page 45.Replacing the batteryThe following notes describe information that you must consider when replacing thebattery:v When the battery voltage becomes low, the Battery Error LED on the systemboard is lit and the battery should be replaced as quickly as possible.v IBM has designed this product with your safety in mind. The lithium battery mustbe handled correctly to avoid possible danger. If you replace the battery, youmust adhere to the following instructions.Note: In the U. S., call 1-800-IBM-4333 for information about battery disposal.v If you replace the original lithium battery with a heavy-metal battery or a batterywith heavy-metal components, be aware of the following environmentalconsideration. Batteries and accumulators that contain heavy metals must not bedisposed of with normal domestic waste. They will be taken back free of chargeby the manufacturer, distributor, or representative, to be recycled or disposed ofin a proper manner.v To order replacement batteries, call 1-800-426-7378 within the United States, and1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. andCanada, call your IBM reseller or IBM marketing representative.Note: After you replace the battery, you must reconfigure the server and resetthe system date and time.42 xSeries 236 Type 8841: Hardware Maintenance Manual and Troubleshooting Guide
