Dell PowerVault ML6000 - Manual (Page 315)

Chapter 12 Installing, Removing, and Replacing
Replacing a 9U Library Expansion Module
Dell PowerVault ML6000 User’s Guide 315
4 Lift the new 9U Library Expansion Module and, from the front of the
library, place it in the desired location.
5 Fasten the module to the rack with rack ears.
6
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.
7
Tighten all thumbscrews located at the base of the front and back of
the modules.
8
Engage the Y-rails of each module in your library configuration.
Ensure that the Y-rails are properly aligned and the thumbscrews are
tightened.