Figure 49 Removing shipping tape
7. On both left and right rail assemblies, install a single long screw between the rail posts in the
center screw hole to secure the rails as follows:
Figure 50 Securing a rail with a single screw
l
If you are installing the rails in a rack that has threaded holes, insert an M4 screw into the
smaller of the two center screw holes at both the front and the rear of the rail. The
screw is smaller and will pass through the threaded hole in the NEMA racks.
l
If you are installing the rails in a rack that does not have threaded holes, insert an M5
screw that comes with the chassis into the larger of the two center screw holes in the
rail at the front and rear of the rack.
The following table lists the parts that are referenced in Figure 51 on page 57.
Table 7
Parts list
Image # Description Qty Part number
1 Node rail location in 4U space n/a n/a
2 Node rail square alignment pins n/a Part of PN 100-569-209
4 M5 or M4 securing screws 4 PN 106-002-452 or
036-028-018
Install the Disk Shelves in the Rack
56 Dell EMC PowerProtect DD9900 System Installation Guide
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