Lenovo ThinkCentre E63z User Manual page 126

3. Remove the frame stand. See "Removing and installing the frame stand" on page 99.
4. Remove the computer cover. See "Removing the computer cover" on page 102.
5. Remove the system-board shield. See "Removing and installing the system-board shield" on page 106.
6. Follow the sequence
to the system board. Then, remove the screw
it from the system board.
Notes:
a. Carefully loosen 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 assembly.
b. Do not touch the thermal grease while handling the heat sink assembly.
Figure 35. Removing the heat sink assembly
7. To install the new heat sink assembly, position the new heat sink assembly on the system board so that
the four screws in the heat sink assembly align with the corresponding holes in the system board.
8. Follow the sequence
system board. Then, install the screw
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ThinkCentre E63z User Guide
1 , 2 , 3 , 4 as shown to loosen the four screws that secure the heat sink assembly
1 , 2 , 3 , 4 to tighten the four screws to secure the heat sink assembly to the
5 to secure the heat sink assembly to the chassis.
5 as shown. Lift the failing heat sink assembly to remove