Lenovo ThinkStation P340 Hardware Maintenance Manual page 94

2. Position the 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. Do not over-tighten the screws.
– 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.
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P340 Hardware Maintenance Manual
2a 2b
, fully tighten screw
2c 2d
, fully tighten screw
, and then fully tighten screw
, and then fully tighten screw
2a
.
2c
.