Tarheel Antennas MFJ-1792 Instruction Manual - Figure 3
MFJ-1792/1793 Instruction Manual
Vertical Antenna
8
8- Insert End B of Tube 4 into End A of Coupler 2. Line up holes.
Bolt tube and coupler 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.
9- Insert End B of Tube 5 into End A of Tube 4. Line up holes. Bolt
tubes together with a 1/4 - 20 x 1 3/4" bolt, 1/4 - 20 nut and split
washer.
10- Slide a guy wire clamp and guy wire mount over Tube 5 and place
them above the 1/4 - 20 x 1 3/4" bolt at end B of Tube 5. Place and
secure a hose clamp over the slit. Refer to Figure 1.
11- Slip End B of Coupler 3 over End A of Tube 5. 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 2.
12- Insert End B of Tube 6 into End A of Coupler 3. Line up holes.
Bolt tube and coupler together with a 1/4 - 20 x 1 3/4" bolt, 1/4 - 20
nut and split washer. Slide and secure a hose clamp over the slit. See
Figure 2.
NOTE:
Steps 13 - 16, 22 and 23 are for 1793 assembly only !!
13- Assemble insulators to L brackets using 6-32 x 1/2" screws and
5/16" hex nuts. See Figure 4.
14- Assemble Aluminum couplers using 6-32 x 1/4" screws. See
Figure 4.
15- Next Assemble the 20 meter element parallel to the main antenna as
follows:
Couple the two 6' rods together using one of the Aluminum couplers.
Slide one insulator assembly over the top section and 2 others over
the bottom one. Couple the bottom section (the one with two insulators)
to the 55" threaded rod. See Figure 3.