Dell PowerVault 200S Rack Installation Manual page 22

1-8 Dell PowerVault 200S and 210S Storage Systems Rack Installation Guide
rail-mounting flange
4. Slide the adjustable rail-mounting flange out until it meets the back vertical rail of
the rack. Ensure that the rail is level from front to back.
5. Thread two 10-32 x 1/2-inch flat-head screws with a conical metal washer and
push them through the back vertical rail of the rack and into the two holes of the
adjustable rail-mounting flange (see Figure 1-8). Tighten the two screws.
vertical rail
3U
conical metal washers
(4 per rail)
10-32 x 1/2-inch flat-head
screws (4 per rail)