Screw And Nut Placements - Dell EMC PowerProtect DD9900 Installation Manual

Figure 44 Screw and nut placements
a. Orient one of the rails to identify the front of the rail so that the inside of the rail is visible
with the spacing markings visible.
b. Locate the two screws and nuts which hold the length adjustment bracket in place.
c. Using a screwdriver and a nut driver (pliers or vise-grips will work as well), remove both
screws and nuts. The length adjustment bracket will be free of the rail.
d. Move to the front of the rail and align the mounting slots with the mounting holes near the
front of the rail.
Figure 45 18"-22" marking
e. Slide the inner rail mechanism to the front of the rail until the 18"-22" mark is visible. If the
inner mechanism is locked, depress the leaf spring and press the rail locking mechanism to
free it.
f. Adjust the hardware to make sure the mounting holes are aligned with the mounting slots.
g. Secure the length adjustment bracket in place using both screws and nuts that were
removed earlier.
h. Repeat for the other rail.
To change the length of the rail to 26-30", do the following:
l
a. Orient one of the rails to identify the front of the rail so that the inside of the rail is visible
with the spacing markings visible.
Dell EMC PowerProtect DD9900 System Installation Guide
Install the Disk Shelves in the Rack
CL5496
CL5501
51