4 Replacement Procedures 4.17 CPU and Fan
3. Remove three M2.5x6 fan screws from the bottom of the system board, and then lift out
the fan.
Figure 4-37
Removing the fan screws
Installing the CPU and Fan
To install the CPU and Fan, follow the steps below and refer to the figures in the preceding
section.
1. Secure the fan with three M2.5x6 fan screws on the bottom of the system board.
2. Connect the fan wire to the system board.
3. Reinstall the CPU, ensuring that you restore the thermal grease on its surface and then
turn the cam back to the locked position.
4-34
[CONFIDENTIAL]
Detroit 20 /Detroit 20E Series Maintenance Manual
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