NEC N8100-1220F User Manual page 97

6.
Push the left and right release levers to release the latch and then pull out the server from
the rack slowly.
IMPORTANT:
Push each release lever using a driver or a similar tool. Pushing a
release lever with your fingers may cause the fingers to be caught
and thus injured.
Pull out the server slowly with the bottom supported by more than
one person.
See the "Installation procedure" when the mechanical components of the rack are removed also.
Release lever
Setting Up Your Server 3-21