HP ProLiant xw2x220c Blade Workstation Maintenance And Service Manual page 16

Remove the failed heatsink.
4.
To replace the component:
Clean the old thermal grease from the processor with the alcohol swab. Allow the alcohol to
1.
evaporate before continuing.
Remove the thermal interface protective cover from the spare heatsink.
2.
CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (in an
"X" pattern).
IMPORTANT:
bracket with the alignment holes in the heatsink.
When installing the heatsink, align the guide pins on the processor retention
Removal and replacement procedures 16