Dell PowerEdge T340 EMC Installation and Service Manual - Page 89

Installing the heat sink

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Installing the heat sink Prerequisites 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure listed in Before working inside your system. 3. Install the processor. Steps 1. If you are using an existing heat sink, remove the thermal grease from the heat sink by using a clean lint-free cloth. 2. Use the thermal grease syringe included with your processor kit to apply the grease in a thin spiral on the top of the processor as shown in the following figure. Figure 68. Applying thermal grease on top of the processor CAUTION: Applying too much thermal grease can result in excess grease coming in contact with and contaminating the processor socket. NOTE: The thermal grease syringe is intended for one-time use only. Dispose of the syringe after you use it. 3. Align the screws on the heat sink with the standoffs on the system board. CAUTION: When installing the heat sink, ensure that the airflow arrow is pointed towards the rear of the system. 4. Use a Phillips #2 screwdriver to tighten the screws to secure the heat sink to the system board. a. Tighten the first screw three turns. b. Tighten the screw diagonally opposite to the screw you tightened. c. Return to the first screw and tighten it completely. 5. Repeat the procedure for the remaining screws. Installing and removing system components 89

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Installing the heat sink
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Follow the procedure listed in
Before working inside your system
.
3.
Install the processor
.
Steps
1.
If you are using an existing heat sink, remove the thermal grease from the heat sink by using a clean lint-free cloth.
2.
Use the thermal grease syringe included with your processor kit to apply the grease in a thin spiral on the top of the processor as
shown in the following figure.
Figure 68. Applying thermal grease on top of the processor
CAUTION:
Applying too much thermal grease can result in excess grease coming in contact with and contaminating
the processor socket.
NOTE:
The thermal grease syringe is intended for one-time use only. Dispose of the syringe after you use it.
3.
Align the screws on the heat sink with the standoffs on the system board.
CAUTION:
When installing the heat sink, ensure that the airflow arrow is pointed towards the rear of the system.
4.
Use a Phillips #2 screwdriver to tighten the screws to secure the heat sink to the system board.
a.
Tighten the first screw three turns.
b.
Tighten the screw diagonally opposite to the screw you tightened.
c.
Return to the first screw and tighten it completely.
5.
Repeat the procedure for the remaining screws.
Installing and removing system components
89