Dell EMC PowerProtect DD9900 - Sliding the Shelf Chassis into the Rails; Unlocking the Casters

Figure 23 Sliding the shelf chassis into the rails
CL5431
Note: You might need to release sagging tension on the shelf by pulling the lift arms and
tray up slightly.
4. Unlock the casters by lifting the locking tabs, as shown in the following figure, and carefully
slide the shelf into the cabinet as far as the lift allows.
Figure 24
Unlocking the casters
CL5424
5. Lock all four casters by pressing down on the locking tab, as shown in the following figure,
so the lift does not roll as the shelf is pushed into the cabinet.
Install the Disk Shelves in the Rack
Dell EMC PowerProtect DD9900 System Installation Guide 39