MFJ-1792/1793 Instruction Manual
Vertical Antenna
7
NOTE:
This antenna can be mounted on ground or roof
level mounts only!
1- Prepare a ground-level mounting mast that will permit
easy initial testing and adjustment. Set up stable supports
(table, saw horses etc.). Also a flat ground can be used.
2- Sort out parts you have unpacked into groups of similar
parts. Be sure all parts are available.
3- After examining the antenna parts, gather the tools
needed for basic assembly. At the minimum these consist
of
:
- #1 Philips screwdriver for capacitance spokes screws.
- #2 Philips screwdriver for other 6-32 and 10-32 screws.
- 1/4" standard screwdriver or 5/16" nut driver for hose
clamps.
- 3/8" wrench for the stub nuts.
- Two 7/16" open end wrenches or wrench and one nut
driver for U-bolts and coupling bolts.
- Large wire cutter for trimming capacitance spokes.
- Safety glasses.
4- Insert End B of Tube 2 into End B of Tube 1. Line up the holes. Bolt tubes together
with a 1/4 - 20 x 1 3/4" bolt, 1/4 - 20 nut and split washer. Place and secure a hose clamp
over the slit.
See Figure 1.
5- Insert End B of Tube 3 into End A of
Tube 2. Line up holes. Bolt tubes
together with a 1/4 - 20 x 1 3/4" bolt, 1/4
- 20 nut and split washer. Place and
secure a hose clamp over the slit.
See
Figure 1.
6- Slide a guy wire clamp and guy wire
mount over the end of Tube 3, and set
them on End B of Tube 3.
7- Slip End B of Coupler 2 over End A
of Tube 3. Line up holes. Bolt tube
andcoupler together with a 1/4 - 20 x 1
3/4" bolt, 1/4 - 20 nut and split washer.
Place and secure a hose clamp over the
slit.
See Figure 2.
FIGURE 1
FIGURE 2
