Ground and (RF) connections.
h. Installation of the attaching parts for the AN/GRC-213 loudspeaker
in steps 1 and 2 must be performed at the same time as the AN/GRC-213
Perform steps 1 through 7 for installation of the
loudspeaker. (See Figure 9.)
Hold the loudspeaker (part of AN/GRC-213) in the preferred
location, and mark two positions for mounting holes, using
the loudspeaker support bracket (part of the loudspeaker)
as a template.
Drill the two 9/32-inch-diameter holes marked in step 1,
and install the loudspeaker with two 1/4-inch x 3/4-inch
bolts, two 1/4-inch star washers, and two 1/4-inch nuts
Remove all the metal shavings and chips from within the
Place the cable clamps from the cable clamp kit on the
antenna cable and battery power cable, as required, and
secure it with twelve 1/4-inch nuts, six 1/4-inch lock
washers, and clamp strap fastener assemblies (B).
Apply a light coat of forest green paint to all bare metal
exposed during drilling and installation.