CPU heatsink
This section describes how to remove and install a CPU heatsink.
Removing the CPU heatsink
To remove a heatsink:
1.
Power down the workstation (see
Predisassembly procedures on page 69
).
2.
Disconnect power from the workstation (see
Predisassembly procedures on page 69
).
3.
Remove the side access panel (see
Removing the side access panel on page 72
).
4.
If your system has an airflow guide, remove it (see
Removing the airflow guide on page 92
).
5.
Slowly and evenly loosen one pair of diagonally opposite screws from the CPU until the screw
shanks disengage from the system board, and then loosen the remaining pair
2
as shown below.
CAUTION:
Do
not
fully loosen one screw, and then move on to the next. Instead, loosen all
screws a little at a time, ensuring that the CPU heatsink remains level.
Figure 5-68
Loosening heatsink screws in sequence
ENWW
Removing and installing components 127
