52 Library Installation and CRU Replacement
Installing the 9U Expansion Module
1 Open the 9U Expansion Module’s access door and raise the guide pin by pulling it up and turning it
slightly, as if it were a screw. Otherwise, the guide pin may scratch the front doors of the module on
which you are stacking.
2 Lift the new 9U Expansion Module, and from the front of the library, place it in the desired location.
3 If stacking the 9U Expansion Module on top of another module, secure the two modules together by
tightening the two thumbscrews at the base of the front of the module and the two thumbscrews located
at the base of the back of the module. Then lower the module’s guide pin (located at the base of the
front of the module) by turning it and pushing it down.
4 Tighten all thumbscrews located at the base of the front and back of the modules.
5 Fasten the module to the rack with rack ears. See Using
the Rack-mount Kit to Install a Library in a Rack
on page 108 for information on installing a rack-mount kit.
1 Guide pin
2 Thumbscrew
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