Lenovo 30DH00H8IX User Manual page 99

b. Position the new heat-sink-and-fan assembly on the system board. Ensure that the four screws
are aligned with the holes in the system board. Follow the following sequence to tighten the four
screws to secure the new heat-sink-and-fan assembly to the system board. Do not over-tighten
the screws. Then, install the four screws to secure the new heat-sink-and-fan assembly to the
chassis.
– Partially tighten screw
– Partially tighten screw
Notes:
– Apply appropriate amount of thermal grease to the new heat-sink-and-fan assembly.
– In case you need to install the chassis beam as well, ensure that it has been installed in place
before you install this Type-2 heat-sink-and-fan assembly.
2a , fully tighten screw 2b
2c , fully tighten screw 2d
, and then fully tighten screw
, and then fully tighten screw
Chapter 8
2a .
2c .
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CRU replacement