Dell EMC PowerEdge C6525, Инструкция по установке и обслуживанию

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Removing the liquid cooling heat sink with liquid leak sensor
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions .
2. Follow the procedure listed in the Before working inside your system .
3. Remove the liquid cooling heat sink with liquid leak sensor cover .
NOTE: The heat sink and processor are too hot to touch for some time after the system has been powered down. Allow the
heat sink and processor to cool down before handling them.
Steps
1. Disconnect the liquid leak sensor cable from the system board.
2. Disengage the liquid cooling heat sink with liquid leak sensor tubes from the groves in the liquid cooling heat sink bracket.
3. Using a Torx #T20 screwdriver, loosen the captive screws in the order mentioned below. Lift the liquid cooling heat sink with
liquid leak sensor from the system.
a. Partially loosen the captive screws 4 and 3 (approximately 3 turns).
b. Partially loosen the captive screws 2 and 1 (approximately 3 turns).
c. Loosen the captive screws 4 and 3 completely.
d. Loosen the captive screws 2 and 1 completely.
Figure 54. Removing the liquid cooling heat sink with liquid leak sensor
Next steps
1. If you are removing a faulty liquid cooling heat sink, replace the liquid cooling heat sink with liquid leak sensor , if not, remove
the processor .
2. If you are replacing the liquid cooling heat sink with a standard heat sink replace the heat sink , if not, remove the processor .
3. Replace the liquid cooling heat sink with liquid leak sensor cover .
4. Replace the air shroud .
Installing and removing system components 57