IBM System x3550 M4 Installation And Service Manual page 330

Figure 214. Heat sink removal
Microprocessor
Figure 215. Microprocessor socket levers and retainer disengagement
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IBM System x3550 M4 Type 7914: Installation and Service Guide
7. Open the microprocessor socket release levers and retainer.
a. Identify which release lever is labeled as the first release lever to open and
open it.
b. Open the second release lever on the microprocessor socket.
c. Open the microprocessor retainer.
Attention: Do not touch the microprocessor contacts. Contaminants on
the microprocessor contacts, such as oil from your skin, can cause
connection failures between the contacts and the socket.
8. Remove the microprocessor from the socket.
a. Select the empty installation tool and ensure that the handle is in the open
position. If the installation tool handle is not in the open position, use the
following instructions for your installation tool:
v If using Installation Tool A, twist the microprocessor installation tool
handle counterclockwise to the open position.
Microprocessor
release lever
Microprocessor
release lever