Dell PowerEdge 4210 Guide D'installation page 31

5 Install the hexagonal spacers.
Position the two racks side by side.
a
Adjust the leveling feet on both racks so that the racks are parallel and
b
in the same horizontal plane. For instructions, see "Adjusting the
Leveling Feet."
Install the four hexagonal spacers on the front and back of the racks
c
with the provided Allen screws, as shown in Figure 1-14.
Use the stamped metal crescent wrench to hold each hexagonal spacer
d
in turn and tighten the Allen screws.
Dell™ PowerEdge™ 4210 Installation Guide
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