Chapter 4 • Installing a J-type radio assembly
38
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3. Place the neck of the feed horn into the upper mounting
bracket, and position the square end of the waveguide
transition close to the TRIA. See Figure 30.
Make sure the feed horn packing material is out of the way so
it will not get stuck between the feed horn neck and the upper
mounting bracket.
4. Attach the square end of the waveguide transition to the
TRIA using the provided M4
×
12-mm socket-head cap
screws and M4 lock washers with teeth on the inner edges.
(See Figure 30.)
Insert the screws in the direction indicated by the white
arrows in Figure 30.
Make sure the O-ring remains in the O-ring groove.
5. Use a long-shaft 3-mm ball driver to tighten the M4 cap
screws.
Figure 30: Attaching the waveguide transition to the TRIA
White arrows indicate
location of cap screws and
direction to insert them.
A fourth
cap screw
is not
visible
here.
Radio assembly
(TRIA)
Feed
horn
Summary of Contents for AN6-098P
Page 6: ... Contents vi 1037312 0001 Revision B ...
Page 10: ... Tables x 1037312 0001 Revision B ...
Page 22: ...Chapter 1 Overview 6 1037312 0001 Revision B ...
Page 46: ...Chapter 3 Assembling the antenna 30 1037312 0001 Revision B ...
Page 58: ...Chapter 4 Installing a J type radio assembly 42 1037312 0001 Revision B ...
Page 72: ...Chapter 6 Cabling and connections 56 1037312 0001 Revision B ...
Page 92: ...Chapter 7 Pointing the antenna 76 1037312 0001 Revision B ...
Page 94: ... Acronyms and abbreviations 78 1037312 0001 Revision B ...