Maco Antennas M103C Assembly Instructions Manual - page 3
ASSEMBLY INSTRUCTIONS
FIGURE 1
GENERAL INSTRUCTIONS
This drawing shows a view of the antenna assembled. The
may be used vertically or
horizontally. These instructions and FIGURES 2 through 4 show the correct assembly instructions. It is
highly recommended that rope be put in the elements to prolong their life.
Upon completion of assembly, install the red plastic cap
on the director end of the antenna,
and the blackplastic cap (PL4) on the reflector end. This will allow you to determine at a glance the direction
of transmit and receive.
FIGURE 2
BOOM ASSEMBLY AND MAST MOUNTING
To assemble the boom insert the
end of the
O.D. boom section
inches into
one end of the other
O.D. boom section
The overall length of the boom should be about 11’
7
Center the boom-to-mast plate
over the joint and clamp the boom sections together with the
bolts, saddles and hardware as shown in detail 2A.
This antenna is designed for mounting on a
O.D. heavy duty mast. Mount using
U-bolts, saddles and hardware as shown in detail 2B.
CAUTION.....
Take care to avoid any contact with overhead power lines when raising your antenna.
Serious or fatal injury could result.
FIGURE 3
ELEMENT ASSEMBLY AND MOUNTING
To assemble the elements, use (4) of the clamps
and
x
screw and square nuts
(S2 1
1) as shown in the element assembly detail. Insert a length of the
O.D. unslotted tubing
into each end of the element sections. Adjust each end to the
dimensions and tighten the clamps. Check
the overall length (“A” dimension). Push a 437” plastic cap (PL2) on each end of the elements.
Mount the elements onto the boom using U-bolts, saddles, and hardware (U02, S02, NO 1, N02) too
fasten the boom-to-element clamp (BE
as shown in the element mounting detail. From the 72 to center
of the boom, measure in
to the outside edge of the mounting hardware and fasten the director. Refer
to Figure 1 for the spacing dimensions and fasten the driven element and reflector.
Line the elements up with the use of a level or any other workable method. Double check the spacing
dimensions and make sure the elements are centered in the boom-to-element clamps. Tighten all hardware
taking care to line the elements up with the use of a level. Check your measurements and make sure the
elements are centered on the boom.
TIGHTEN ALL HARDWARE SNUG; DO NOT CRUSH THE TUBING. CRUSHING GREATLY
WEAKENS THE TUBING.
2