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Chapter 3 • Assembling the antenna
28
1037312-0001 Revision A
Securing the feed support
tube
Secure the feed support tube:
1. Attach the lower ends of the feed rods to the feed support
tube as follows: Insert the ¼-20 × 2-inch hex bolt through the
tube, and use the hardware shown in
Figure 19.
Make sure the flat end of the feed support tube points toward
the reflector.
2. Tighten the nut just enough to keep the hardware in place.
3. Attach the flat end of the feed support tube to the rim of the
reflector, as shown in
Figure 20.
4. Tighten the nut just enough to keep the hardware in place.
Figure 19: Attaching the feed rods to the feed support tube
T0172007
¼-20 x 2-inch
hex bolt
¼-inch
flat washer
¼-inch
flat washer
¼-inch lock
washer
¼-inch hex nut
Feed rodFeed rod
Feed
support
tube
Detail
Feed rod ends attached to feed
support tube, in front of reflector
Figure 20: Attaching the feed support tube to the reflector rim
T0172008
¼-20 x 1-inch
hex bolt
¼-inch flat washer
¼-inch flat washer
¼-inch lock washer
¼-inch hex nut
Feed
support
tube
Reflector rim
Side view
Back of
reflector
Detail
Flat end of feed
support tube
Rim