HP StorageWorks SAN Switch Rack Mount Kit Installation Instructions (A7511-90902, May 2007)

10 SAN Switch rack mount kit installation instructions
4. Assemble the outer rails by completing the following steps:
a. Attach the left outer rail and the right outer rails to the rear mounting
brackets using two 1/4-20 hex nuts with captive star lock washers.
Attach the hex nuts loosely (as shown in Figure 3). Do not tighten;
tighten the hex nuts later in step 3 on page 19.
Figure 3: Installing the Outer Rails (HP 10000 Series Racks)