DECONTAMINATING APPARATUS, ABC-M11 (CONT).
a. Use an electric drill and 17/64 twist drill
If three hexagon head cap screws (3), lock
bit. Drill a hole through the surface.
washers (4), and hexagon plain nuts (5) are
a. Place the bracket (6) against selected
installed, unscrew and remove them from the
b. Insert one hexagon head cap screw (3)
holes in the bracket (6).
through the center hole in bracket (6).
b. Hold bracket firmly against the surface.
From the backside of mounting surface
Using middle hole in the bracket as a
install a lockwasher (4) and hexagon
guide, center punch the surface.
head plain nut (5). Tighten.