Remove a heat sink

Use this information to remove a heat sink. This procedure must be executed by a trained technician.

About this task

S002

CAUTION

The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

• Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.

Note

Prepare the following screwdrivers to ensure you can install and remove the corresponding screws properly.

Torque screwdriver type list	Screw Type
Torx T20 screwdriver	Torx T20 screw

Procedure

1. Make preparations for this task.
   1. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See Remove the server from rack.
   2. Remove the top cover. See Remove the top cover.
2. Remove the heat sink.
   Note

   • Do not touch the contacts on the bottom of the processor.

   • Keep the processor socket clean from any object to prevent possible damages.

   Figure 1. Removing an air cooling heat sink
   
   
   1. Fully loosen all the screws on the heat sink in the removal sequence shown on the heat-sink label.
   2. Carefully lift the heat sink from the processor socket.