Lenovo ThinkStation P340 Hardware Maintenance Manual page 96

2. 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.
– Ensure that the heat sink and fan assembly cable is toward the microprocessor fan connector on
the system board.
– In case you need to install the chassis beam as well, ensure that it has been installed in place
before you install Type-2 heat sink and fan assembly.
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P340 Hardware Maintenance Manual
2a , fully tighten screw 2b
2c , fully tighten screw 2d
, and then fully tighten screw
, and then fully tighten screw
2a .
2c .