User`s guide

Chapter 9: Installing, Removing, and Replacing Components
Installing the Library in a Desktop Kit
250 Quantum Scalar i40 and Scalar i80 User’s Guide
c Slide the side panel toward the front of the library about half an
inch until it stops and the posts are engaged in the holes. The
side panel should be flush with the side of the library chassis.
d Tighten the thumbscrew at the front of the library to secure the
side panel to the library.