HP FL939UT FL939UT#ABA, Z800 Sp632up SP632UPABA manual Removing the CPU heatsink

CPU heatsink

This section describes how to remove and install a CPU heatsink.

Removing the CPU heatsink

1.Power down the workstation (see Predisassembly procedures on page 73).

2.Disconnect power from the workstation (see Predisassembly procedures on page 73).

3.Remove the side access panel (see Removing the side access panel on page 75).

4.Remove the memory fans (see Removing the memory fans on page 136).

5.Remove the airflow guide (see Removing the airflow guide on page 76).

6.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 in the following figure.

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 remains level.

Figure 5-100Loosening heatsink screws in sequence

ENWW Removing and installing components 153