ID
Part #
Description
Dimensions
Qty
82
010082
Hex
1/4-20 x 1”
2
Bolt
(.6-20 x 2.5 cm)
84
010084
SS Lock
1/4”
2
Washer
(.6 cm)
87
014387
SS Lock
#8-32
2
Nut
554
154554
Tuning Tube
3” x 2-1/2” x 1”
1
Insulator
(7.6 x 6.3 x 2.5 cm)
555
194555
Tuning Tube
2” x 1-1/2” x 1/8”
1
Shorting Strap
(5.1 x 3.8 x .3 cm)
597
014597
SS Machine
#8-32 x 3”
2
Screw
(7.6 cm)
941
011941
SS Lock
#8
4
Washer
EZ
Tuning Tube
3/8” x 30”
2
(,95 x 76.2 cm)
FS
X79FS
Feed
6”
2
(15.2 cm)
MN
MNX79
Matching
1
Network
555
EZ
9
Figure 7A
Figure 7B
Figure 7C
Refer to Figure 7A and attach the tuning tube insulator to the
boom bracket. Use the hardware listed in the Tuning Tube Insulator
Subassembly Parts List. Slide the insulator toward tuning tubes (EZ)
until tube ends slide into the insulator holes, (Figure 7B). Tighten
bolts on boom bracket securing tuning tube insulator in place.
Reference Figure 7 and position the Tuning Tube Shorting Strap
(555) 1/2 inch from the tuning tube insulator. Adjusting this strap will
not have a significant effect on the VSWR of the X7. Tighten strap
screws.
554
82
84
82
84
Reference Figure 7C for matching network mounting. Required
hardware is listed in the Matching Network Subassembly Parts List.
Attach matching network (MN) to boom with two 8-32 bolts (597).
Do not tighten "left" bolt until coax is securely attached to matching
network. Connect feed straps (FS) from matching network terminals
to each FL3 end at the center of Element #6. Form drip loops in the
feed straps and position them as shown in Figure 7C. Form the feed-
straps away from the Cush-A-Clamp U-bolts and Element #6 element
bracket.
Tighten this bolt after
attaching coax.
941
941
597
87
87
597
MN
87
941
FL3
87
87
FS
Element #6
Form Drip Loops
with feed straps.
Coax Drip Loop
