54 Library Installation and CRU Replacement
a. From the front of the library, open the I/E station and access doors of the 9U Expansion Module.
Squeeze the handle of the Y-rail release mechanism, lift it out of its locked position, and slide
it downward as far as it will go.
b. From the back of the library, find the rear Y-rail release mechanism, which is located in the
interior of the right side of the module. Squeeze the handle of the Y-rail release mechanism, lift
it out of its locked position, and slide it downward as far as it will go.
Doing this aligns the Y-rails with the Y-rails of the module beneath it.
7 Repeat these steps for each 9U Expansion Module you are installing.
Check to make sure that there is no gap between the top and bottom
Y-rails on both the front and back of the library. If a gap exists, the
library cannot mechanically initialize.
1 Y-rail in unlocked, functional
position