3. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system
board. See “Locating parts on the system board” on page 71.
4. Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the
system board:
a. Partially remove screw
1
, then fully remove screw
2
, and then fully remove screw
1
.
b. Partially remove screw
3
, then fully remove screw
4
, and then fully remove screw
3
.
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.
Figure 103. Screws that secure the heat sink and fan assembly
5. Lift the heat sink and fan assembly with the fan duct off the system board.
Notes:
a. You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.
b. When handling the heat sink and fan assembly, do not touch the thermal grease on the bottom
of the heat sink and fan assembly.
Chapter 10
.
Replacing FRUs (machine types: 2113, 2114, 2115, 3515, 4860, 4863, 4865, 4866,
4869, 5100, 10BS, 10BT, and 10BU)
159
Содержание 10BN
Страница 6: ...iv ThinkCentre M78 Hardware Maintenance Manual ...
Страница 8: ...2 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 15: ...Chapter 2 Safety information 9 ...
Страница 19: ...Chapter 2 Safety information 13 ...
Страница 20: ...1 2 14 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 21: ...1 2 Chapter 2 Safety information 15 ...
Страница 26: ...1 2 20 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 27: ...1 2 Chapter 2 Safety information 21 ...
Страница 30: ...24 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 34: ...28 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 60: ...54 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 140: ...134 ThinkCentre M78 Hardware Maintenance Manual ...
Страница 203: ......
Страница 204: ......