HP DL560 - ProLiant - 1 GB RAM User Manual page 31

WARNING: To reduce the risk of personal injury or
equipment damage, be sure that the rack is adequately stabilized
before extending a component from the rack.
WARNING: To reduce the risk of personal injury, be
careful when pressing the server rail-release latches and sliding
the server into the rack. The sliding rails could pinch your fingers.
3. After performing the installation or maintenance procedure, slide the server
back into the rack:
a. Press the server rail-release latches and slide the server fully into rack.
b. Secure the server by tightening the thumbscrews.
Server Operations 31