Site Hardware Preparation
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Avanti Installation Manual 2.0
11. PRODELIN SPACEWAY / JUPITER 0.74M ANTENNA ASSEMBLY
3. Place the feed horn on the feed horn support bracket so
that the holes on either side of the feed horn fit into the
corresponding pins on the bracket, as shown in Figure 22.
FIGURE 22
Place the feed horn on the adapter bracket
4. Position the radio such that the tip of the polarizer waveguide fits against the stem of the feed horn,
then fit the two halves of the feed horn collar around the ridge at the point where the feed horn
meets the waveguide, as shown in Figure 23. When properly aligned, the seam formed by the two
halves of the collar will line up with the seam on the waveguide as shown in the figure 23 below.
FIGURE 23
Aligning the collar on the waveguide
CAUTION
You must assemble the collar exactly as described above and as shown in Figure 19. Failure to do so could allow
moisture to accumulate inside the TRIA, causing damage to the radio.
5. Insert two Allen screws into the collar and tighten to secure the feed horn in place.
6. Insert the final two mounting screws onto either side of the feed horn and secure it to the feed horn
support bracket using a ¼-inch Phillips head screwdriver.
7. At this point, fully tighten any hardware that is not tight, however, leave nuts that are used for pointing
adjustments slightly loose or just snug.
