IBM NeXtScale nx360 M4 Installation And Service Manual page 185

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, ▌1▐lift
the interlock latch and hold it up while you▌2▐twist the microprocessor
installation tool handle counterclockwise to the open position, and then
release the interlock latch. The following illustration of the installation tool
shows the location of the interlock latch and counterclockwise rotation of
the handle before loading the microprocessor.
Figure 95. Installation tool handle adjustment
b. Align the installation tool with the screws, as shown in the following
graphic, and lower the installation tool on the microprocessor. The
installation tool rests flush on the socket only when it is aligned correctly.
Alignment
pins
Figure 96. Microprocessor installation
c. Gently twist the handle of the installation tool clockwise until it locks in
the "H" or "L" position, depending on the size of microprocessor, and then
lift the microprocessor out of the socket.
Installation tool
Microprocessor
Chapter 5. Removing and replacing components
167