IBM 5155 - Page 293

67 Align the slot of the option retaining bracket
with the threaded screw hole in the rear panel of
the system unit.
68 Insert the screw and tighten it clockwise with a
flat-blade screwdriver
or 5.5-mm (7/32-in.)
open-ended wrench.
Not
Properly
Aligned
Aligned
Option Installation 4-65