Dell EMC ML3 User Manual page 62

1. Remove the library top cover plate from the Base Module. See Step 5 in "Unpacking the Base Module
and Expansion Modules" on page 34.
2. Install the top cover on the Expansion Module that is installed on the top of the library.
a. Place the Expansion Module on a work table.
b. With the front of the top cover raised approximately 12 cm, engage the rear of the cover at the
Expansion Module pivot point at the back of the opening.
c. Lower the front of the top cover until the latches engage on both sides.
Figure 33. Lowering the front of the top cover
Installing Expansion Modules below the Base Module
If you are installing one or more Expansion Modules below the Base Module, move the bottom cover
from the Base Module to the Expansion Module that is installed at the bottom of the library
To move the library bottom cover plate from the Base Module to an Expansion Module
1. Remove the library bottom cover plate from the Base Module.
a. Place the Base Module on a work table.
b. Lift the unit front end by about 16 cm (use unit rear as a pivot edge).
c. Support the bottom cover with one hand. Insert a small flathead screwdriver or Torx screwdriver
into the hole and slide about 4 mm sidewards to the left to unlock the spring loaded lock. See
Figure 34 on page 41.
Important: Do NOT turn the module upside-down to complete this step.
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Dell EMC ML3 Tape Library: User's Guide