HP Integrity BL860c i2 Installation Manual page 24

CAUTION:
heatsink's locking handle is fully back against the stops, rotated about 120° back. Also verify
that the plastic tabs on the processor's heatsink are pulled fully out before installation.
5. Install the heatsink over the load posts.
CAUTION:
tabs into place.
CAUTION:
the processor module from the processor's heatsink after they have been coupled.
NOTE:
sink and processor module onto the socket to ensure proper seating.
24 Installing the server blade into the enclosure
To avoid damage to the server blade and processor, ensure the processor
Do not lower the heatsink locking handle before pushing the plastic locking
To prevent thermal instability and damage to the server blade, do not separate
Positive engagement clicking should occur during mating of the processor heat