Nexus 21 DL-50 - Page 14

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Step 17: Slide each Column Clamp Extension around the front
of each Lift Column and place it right below the slots located
on the left and right side of each Lift Column.
Step 18: Slide each Column Clamp Base behind each Lift Column
and line the holes up with the holes on each Column Clamp
Extension.
Step 19: Fasten each of the two sets of brackets against the
rear panel of the enclosure using (4) #10 x ¾” THWS.
Step 16: Extend the Lift System by pressing the UP
button on the Wired Backup Switch.