IBM DCS3860, Installation, User'S, And Maintenance Manual

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front flange. Ensure that you use a washer when you install an M5 screw
through a square hole on a rack-mounting flange.
Attention: Ensure that the screws are tight enough to support the weight of
the storage enclosure, but do not completely tighten the screws yet.
7. Ensure that the holes in the rail above and below the top mounting screw are
visible through the holes of the rack flange and tighten the two M5 screws to
secure the front of the rail to the rack flange.
8. From the rear of the rack cabinet, insert two M5 screws with washers through
the rear of the cabinet and screw them into the support rail rear flange.
9. Tighten the two rail adjustment screws with a medium flat-blade screwdriver.
10. Repeat steps 4 on page 33 through 9 for the right support rail.
Note: Because the mounting holes on the rack are not always the same size as
the mounting screws, the lip of each of the support rails might not line up
evenly. Make minor adjustments to ensure that the lip of the left and right
support rails are lined up evenly on the racks. Failure to do so will cause the
storage enclosure to fit unevenly in the rack.
11. Locate the two rear brackets, four M5 screws, four washers, and four clip nuts
that are supplied with the storage enclosure.
12. Install the rear brackets at the rear of the rack as shown in the following
illustration, using the M5 screws, washers, and clip nuts to secure the brackets
to the rack mounting holes. Ensure that you clip the nuts on the rack. Do not
tighten the screws until the DCS3860 is installed in the rack (see 8 on page
37).
13. Continue with “Installing the DCS3860 into the rack cabinet using a lift tool”
on page 35 or “Installing the DCS3860 into the rack cabinet without using a
lift tool” on page 38.
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IBM System Storage DCS3860 Storage System: Installation, User's, and Maintenance Guide