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Step 4
Step 5
Step 6
32
Installation Procedures
Attach 77874 feed supports between rotating tube tabs and corresponding drum tabs as
shown in Figure 38. Fully tighten.
• Use 1/2 x 1-1/8 (29 mm) shoulder bolts, lockwashers and nuts
Note: Ensure shoulder bolts are fully seated and feed support angles are installed edge
down with flats of angles facing upward.
Fully tighten flange to drum connection hardware.
Attach circular waveguide assembly to 201606 feed horn assembly as shown in Figure
39. Note: Deep recess end of mounting pipe flange should be oriented toward feed
horn while shallow recess end should be toward rotating tube assembly.
• Use 1/4 x 1 in (25 mm) bolts and lockwashers
•
Insert 10683-469 O-Ring spacer between assemblies as shown
• Insert bolts from circular waveguide to feed horn
Figure 39
Deep
Recess
Shallow
Recess
Note: Typical C-Band Feed
Horn Assembly Shown for
Reference Only.