IBM 3550 Type 7978 User Manual page 56

10. If you removed any air baffles, reinstall them now. See page 26 for more
If you have other options to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 45.
42
IBM System x3550 Type 7978: User's Guide
Microprocessor
socket dust cover
7. Place the microprocessor bracket frame down over the microprocessor and the
microprocessor socket to secure the microprocessor position on the socket.
8. Rotate the microprocessor release lever into the closed position.
Attention: Do not touch the thermal grease on the bottom of the heat sink
after you remove the plastic cover. Touching the thermal grease will
contaminate it.
9. Remove the plastic cover from the heat sink. Install the heat sink on top of the
microprocessor with the thermal grease side down. Attach the heat sink to the
system board by alternating fastening the screws on the sides of the heat sink
with a Phillips screwdriver to apply even pressure to the microprocessor and to
avoid damage.
Heat sink
Heat-sink
installation
label
Microprocessor
If you have to remove the heat sink after installing it, alternately loosen the
screws to help break the bond between the components without damaging
them.
information.
Microprocessor
Alignment
marks
Microprocessor
release lever
Thermal grease