Subreflector Assembly And Adjustment - Andrew 7.3-Meter ESA Installation, Operation And Maintenance Manual

7.3-meter earth station antenna
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Subreflector
Assembly and
Adjustment
Step 1
Step 2
Install subreflector subassembly to subreflector ring by inserting studs on subassembly
into adjustment stud mounting holes as shown in Figure 65.
Use 3/4 in (19 mm) flatwasher, nut and jam nut
Refer to Figure 66. Measure and note the distance between either outermost angle clip
bolt head and the subreflector rim. Obtain the corresponding measurements from the
remaining subreflector struts, and adjust the subreflector mounting hardware (4 places)
to achieve a maximum differential of 1/16 inch.
Figure 65
Figure 66
50
NOTE: 5" (127mm) dimension shown is a
starting reference only. Dimension will
vary after adjustments are complete.
Installation Procedures

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