Installing a Filer System 2-5
4!24769:!82. To attach each rack adapter rail to whole-U or half-U positions on the vertical rails,
perform the following steps:
a. At the front of the rack, install the rack adapter rail using threaded holes 1
and 5 for whole-U positions and holes 2 and 6 for half-U positions (see
Figure 2-2).
b. Secure the front of each rack adapter rail with two 10-32 x 0.375-inch coun-
tersunk screws with conical washers provided with the mounting hardware
(see Figure 2-2).
c. Using a torque-measuring wrench, tighten the rack adapter rail to the vertical
rail to 27 inch pounds (3.0 newton meters).
align lower edge of support
rail with one of these locations
front vertical rail
1-U marking on
vertical rail
1-U inc rem ent
in vertical rail
1/2-U increment
in vertical ra il IU grouping of three
evenly-spaced holes