MN6B Installation Diargram
Installation Notes:
Orient the MN6B junction box so the SO-239 faces toward the
center of the antenna. Connect the two feed harnesses in phase (red leads on same
side). Position the junction box so any slack in the two feed cables is equal in both
directions. After securing the box with a worm clamp, disconnect the harness from the
17/12-meter element (it will be reconnected in Step-9 after the 6-meter driven-element
brackets are placed in position).
Step-9. Install the Six-Meter Driven Element:
The six-meter driven element is
installed “piggyback” in parallel with the
17/12-meter driven-element
. Use the parts listed
below:
[ ]
2
Element tube, 7/16" OD x 48", (20-MA6B-DD).
[ ]
2
Element tube, 3/8” OD x 9" (20-MA6B-DE).
[ ]
2
Element mounting bracket, supports driven element
[ ]
2
Insulating plate, supports 7/16” OD element tube
[ ]
2
90-degree bracket, supports insulating plates
[ ]
8
# 8 Lock washer
[ ]
8
8-32 Nut
[ ]
4
1/2" x 8-32 Screw
[ ]
4
3/4” x 8-32 Screw
[ ]
2
3/8” Plastic end cap
[ ]
2
7/16" Worm clamp
Six-Meter Driven-Element Assembly Diagram
End Cap
Worm Clamp
Insulating
Plate
Worm Clamp
(Existing Part)
90-Degree Bracket
8-32 x 1/2" (2)
8-32 x 3/4 (2)
Existing #8
Hardware
Element Mounting
Bracket
Tube DD
Harness
Coax
Insert 4"
Tube DE
8-32 x 3/4 (2)
8-32 x 1/2" (2)
Worm Clamp End Cap
Insulating
Plate
Worm Clamp
(Existing Part)
Tube DD
Tube DE
