Hughes AN6-098P User Manual download pdf (Page 63)

Chapter 5 • Installing a cradle-type radio assembly

1037312-0001 Revision A

2. Apply silicone grease to the O-ring groove in the feed horn.

3. Place the O-ring (0.9-inch inside diameter) in the groove.

Make sure the O-ring remains in the O-ring groove.

Mounting the radio

assembly on the feed

support tube

Use the mounting adapter to attach the radio assembly to the feed

support tube. Refer to

Figure 36 as you follow these instructions:

1. Place the mounting adapter and radio assembly onto the feed

support tube.

2. Align the mounting holes in the base of the radio assembly,

mounting adapter, and feed support tube.

There are six holes on the top surface of the feed support

tube. Use the oval slot at the end of the tube and the second

hole from the bend in the tube, as shown in

Figure 36.

3. From below, insert two

⁄16-18 × 2.25-inch hex bolts (using a

⁄16-inch lock washer and flat washer on each bolt) through

the feed support tube, adapter, and base.

Note: The O-ring is shipped in a bag that contains seven

socket-head cap screws for attaching the feed horn. Six screws

are required; one is an extra part.

Figure 35: O-ring in groove

O-ring

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Hughes AN6-098P User Manual Page 63