ViaSat Series 8345, Installation Manual

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Chapter 2 - Installation
Figure 2-17. Feed Window Installation
3. Apply a thin coat of grease to the ridge surface and the groove surface of each
half of the feed housing.
4. Slip clamp ring into place on feed horn and align holes in clamp ring with three
outside holes of feed horn.
5. Insert each of the three 10-32 x 3/4-inch screws through the outside holes of the
feed and thread through the clamp ring.
6. Attach a terminal lug to the outside edge of the feed using 1/4-20 x 3/4-inch
screw and washer.
7. Insert braid shield into slot in terminal lug, and fasten in place using 1/4-20 x
1/2-inch screw.
8. Place the feed horn into the feed housing making sure that the ridge of the feed
housing is between the feed and the clamp ring, and bolt the two halves of the
feed housing together using 10-24 x 1 1/2-inch bolt, washer, and nut, two places,
and 10-21 x 3/4-inch bolt, washer, and nut, two places. (See Figure 2-18.)
9. Manually rotate the feed horn within the feed housing and ensure operation
with no binding.
42S199F
2-39