Dell EMC PowerProtect DD9900, Installation Manual

Page: 53 / 96

g. Secure the length adjustment bracket in place using both screws and nuts that were
removed earlier.
h. Repeat for the other rail.
After you finish
After the rails are adjusted to the proper length, install the rails in the rack.
Installing the rails in a third-party rack
The rails are shipped with 6.8 mm adapters that are designed to fit into the NEMA channels of the
Dell EMC rack. For third-party racks, the 6.8 mm adapters must be removed and replaced with rail
pins that fit the hole-types in the third-party rack.
About this task
CAUTION Exercise care when installing the short rails. Exposed metal edges may be sharp and
could damage cabling or cause injury to personnel.
Refer to the following tables and figures to install each shelf.
The following table shows the rail pins and their suggested use.
Table 5 Pins for third-party racks
Rail Pins from kit Part Number and
Description Suggested Use
036-028-018
Custom screw, M4 x 10MM
(Quantity: 4 per kit)
Used for any third-party rack.
Can be used in racks with
threaded holes.
036-028-016
3.8MM Alignment Pin
(Quantity: 8 per kit)
Used in racks that have M5,
#10, or #12 threaded holes.
036-028-017
4.8MM Alignment Pin
(Quantity: 8 per kit)
Used in racks that have M6
threaded holes.
Note: Each of the rail alignment pins must be located in the middle holes of the bottom two U
spaces of the 4U space.
The following table lists the parts that are referenced in Figure 48 on page 54.
Table 6 Parts list
Image # Description Qty Part number
1 Shelf rail location in 4U space n/a n/a
2 Universal Rail Pins (see previous table for
details) n/a Part of PN 106-569-300 and 106-529-209
3 Shelf rails (2 each/kit) for each node 2 PN 106-569-300 and 106-529-209
Install the Disk Shelves in the Rack
Dell EMC PowerProtect DD9900 System Installation Guide 53