HP ProLiant DL345 Gen10 Plus, Maintenance And Service Manual

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Removing and replacing a heatsink Removing and replacing a heatsink
This procedure shows a standard heatsink as an example. The replacement process is the same for both the standard and high-
performance heatsinks.
Prerequisites Prerequisites
Before you perform this procedure, make sure that you have the following items available:
T-20 screwdriver
Alcohol wipe
Procedure Procedure
1. Power down the server.
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Remove the server from the rack .
4. Remove the access panel.
5. Remove the air baffle.
6. Allow the existing heatsink to cool.
7. Remove the heatsink:
CAUTION: CAUTION:
To prevent mechanical damage or depositing oil on your hands or other contaminants to the heatsink contact
surface, hold the heatsink only by the edge of its baseplate. Do not touch the heatsink fins.
CAUTION: CAUTION:
Heatsink screws must be tightened and loosened in alternating sequence as shown on the heatsink label.
a. Use a T-20 screwdriver to loosen the captive screws in the sequence specified on the heatsink label.
b. Lift the heatsink away from the system board.
Removing and replacing a heatsink 102