Dell EMC PowerProtect DD9400, Installation Manual

Page: 52 / 84

CAUTION: Ensure that the rear rail screws on the shelf are installed and fully tightened. If the screws are not
installed and tightened, the rails could rotate out of position, possibly causing the shelf to fall, resulting in
damage to the equipment and possible injury to personnel.
Steps
1. From the front of the cabinet or rack, lift the shelf and slide it onto the rails.
Figure 61. Sliding the shelf onto the rails
When the shelf slides to the back of the cabinet, the rear tabs on the rails click into the notches in the rear of the shelf. The
tabs secure and support the rear of the shelf.
CL5994
Figure 62. Rail tabs securing the rear of the shelf
2. Secure the front of the shelf to the front vertical channels with four screws (two per side), but do not tighten the screws
until they are all in place.
52 Install the Disk Shelves in the Rack