Dell Precision 3660 Manuel De Maintenance page 58

Steps
1. Loosen the four captive screws that secure the liquid cooler heat sink to the system board.
2. Remove the screw (M3x5) that secures the liquid cooler heat sink fan to chassis and slide it out of the slot.
3. Disconnect the liquid cooler heat sink cable and the liquid cooler heat sink fan cable from the connectors on the system board.
4. Lift the liquid cooler heat-sink assembly out of the chassis.
Installing the liquid cooler heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the liquid cooler heat sink and provide a visual representation of the installation procedure.
58 Retrait et installation de composants