PowerProtect DD9900 System Installation and Storage Expansion Guide

Install the rails onto the chassis

Remove the inner rails from the rail kit and install them on the chassis.

Pull the inner rails forward and remove it out from the rail kit.
Figure 1. Remove the inner rails
Push the tab and slide the middle rails back until they lock into place.
Figure 2. Push the middle rails back
Attach the inner rails to the chassis by aligning the keyhole on the rail with the standoffs on the chassis and sliding forward until they lock into place.
CAUTION:Verify all the keyholes on the rails are aligned with the rail standoffs on the chassis. Improper installation of the rails may damage the rails or cause the chassis to fall when extended.
Figure 3. Install the inner rail onto the chassis
Secure the rails by installing two screws on each side of the enclosure.