IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual page 80

7. Remove the heat sink:
8. Rotate the locking lever on the microprocessor socket from its closed and
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BladeCenter HS40 Type 8839: Hardware Maintenance Manual and Troubleshooting Guide
a. Loosen the captive screw, and lift the retention bar.
b. Gently pull the heat sink off the microprocessor.
locked position until it stops or clicks in the fully open position (approximately
135° angle), as shown.
Attention: You must make sure that the locking lever on the microprocessor
socket is in the fully open position before you remove the microprocessor from
the socket. Failure to do so might result in permanent damage to the
microprocessor, microprocessor socket, and system board.
Lever closed
Lever closed
Lever
fully
open
Lever
fully
open