Dell PowerEdge T140 EMC Installation and Service Manual - Page 69

Power supply unit, Removing the power supply unit

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NOTE: The processor and heat sink module retention screws should not be tightened to more than 0.13 kgf-m (1.35 N.m or 12 in-lbf). Figure 42. Installing the heat sink Next steps 1. Follow the procedure listed in After working inside your system. 2. While booting, press F2 to enter System Setup and check that the processor information matches the new system configuration. 3. Run the system diagnostics to verify that the new processor operates correctly. Power supply unit NOTE: For more information, see the Technical specifications section. Removing the power supply unit Prerequisites 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure that is listed in Before working with system. 3. Disconnect the power cable from the power supply unit (PSU). 4. Disconnect all the power cables from the PSU to the system board. Steps 1. Remove the screws securing the PSU to the system. 2. Press the release tab beside the PSU, and slide the PSU toward the front of the system. 3. Lift the PSU out of the system. PowerEdge T140 installing and removing system components 69

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NOTE:
The processor and heat sink module retention screws should not be tightened to more than 0.13 kgf-m (1.35
N.m or 12 in-lbf).
Figure 42. Installing the heat sink
Next steps
1.
Follow the procedure listed in
After working inside your system
.
2.
While booting, press F2 to enter System Setup and check that the processor information matches the new system configuration.
3.
Run the system diagnostics to verify that the new processor operates correctly.
Power supply unit
NOTE:
For more information, see the
Technical specifications
section.
Removing the power supply unit
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Follow the procedure that is listed in
Before working with system
.
3.
Disconnect the power cable from the power supply unit (PSU).
4.
Disconnect all the power cables from the PSU to the system board.
Steps
1.
Remove the screws securing the PSU to the system.
2.
Press the release tab beside the PSU, and slide the PSU toward the front of the system.
3.
Lift the PSU out of the system.
PowerEdge T140 installing and removing system components
69