Service Manual

Removing the processor liquid-
cooling assembly
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your computer. After working inside your
computer, follow the instructions in After working inside your computer.
For more safety best practices, see the Regulatory Compliance home
page at
www.dell.com/regulatory_compliance.
Prerequisites
1 Remove the stability foot.
2 Remove the left and right side-panels. See “Removing the side panels”.
3 Remove the memory modules.
Procedure
WARNING: Despite having a plastic shield, the processor liquid-cooling
assembly may be very hot during normal operation. Ensure that it had
sucient time to cool before you touch it.
CAUTION: To ensure maximum cooling for the processor, do not touch
the heat transfer areas on the processor liquid-cooling assembly. The oils
in your skin can reduce the heat transfer capability of the thermal grease.
1 Lay the chassis on the right side.
2 Disconnect the processor liquid-cooling assembly fan cable from the system
board. For more information on the processor liquid-cooling assembly fan
cable connector, see “
system-board components”.
3 Disconnect the processor liquid-cooling assembly fan cable from the system
board. For more information on the processor liquid-cooling assembly fan
cable connector, see “system-board components”.
4 In reverse sequential order as indicated on the processor cooling-assembly
pump, loosen the captive screws that secure the processor liquid-cooling
assembly pump to the system board.
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