Lenovo ThinkCentre 3026 Maintenance Instructions Manual page 97

6. Carefully remove the four screws 1 that secure the heat sink and fan
Figure 11. Removing the heat sink and fan assembly
7. Lift the failing heat sink and fan assembly off the system board.
8. Position the new heat sink and fan assembly on the system board so that the
9. Alternate tightening each screw a small and equal amount until the heat sink
10. Connect the heat sink and fan assembly cable to the microprocessor fan
11. Go to "Completing the parts replacement" on page 115.
Chapter 8. Replacing FRUs (Machine Types: 3029, 3054, 3139, 3219, 3246, 3282, 3349, 3421, 3544, 3652, 3769, 3934, 4992, 5206, 5267,
assembly to the system board.
Note: Carefully remove the four screws from the system board to avoid any
possible damage to the system board. The four screws cannot be removed
from the heat sink and fan assembly.
Notes:
a. You might have to gently twist the heat sink and fan assembly to free it
from the microprocessor.
b. Do not touch the thermal grease while handling the heat sink and fan
assembly.
four screws are aligned with the holes on the system board.
Note: Position the new heat sink and fan assembly so that the heat sink and
fan assembly cable is toward the microprocessor fan connector on the system
board.
and fan assembly is secured to the system board. Do not over-tighten the
screws.
connector on the system board. See "Locating parts on the system board" on
page 85.
5325, 5384, 5450, 5474, 5498, 5554, 5852, 6232, and 6590.)
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