Andrew 9.3-Meter ESA manual Step Subreflector Assembly

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Step 6

Subreflector

Assembly

Step 1

Refer to Figure 32. Loosely attach 300177 Subreflector Strut Supports to reflector as shown ensuring brackets are installed on seam hole positions 15 and 16. Position brackets clockwise as shown using brackets and hardware supplied as part of 300175 Subreflector Strut Kit.

Figure 32

Refer to Figure 33. Carefully remove subreflector subassembly and attached floating ring from wooden crate. Remove six 3/4 in (19 mm) jam nuts and washers which attach floating ring to subreflector assembly. Lift floating ring from adjustment studs.

Figure 33

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Installation Procedures

Image 35
Contents Meter ESA Table of Contents Introduction Meter Earth Station AntennaProprietary Data Information and Assistance Technical Customer Service CenterHow to Use This Manual Overview ContentGetting Started OverviewTool Size Quantity Recommended ToolsGetting Started Returning Equipment Step Overview Foundation Preparation Installation Procedures1b A-325 Tensioning For bolts over four diameters Tensioning StepTripod Ground Mount Assembly Azimuth Beam Step Step Support Legs Assembly Step Step 20008A Step Panning Frame Assembly Step X 3 LG mm 200031A Flatwashers Azimuth Pivot Assembly 301786 Azimuth Jack Screw Assembly Step Step Step Elevation Jackscrew Assembly Step Step Grounding Cable Attachment Step Step Installation Procedures Step Jack Tripod Assembly Step Reflector Assembly Step Step Step Step Subreflector Assembly Step Step Theodolite Assembly Installation Step Step Theodolite Leveling Step Step Theodolite Centering Step Theodolite Height Adjustment Reflector Panel Adjustment Step Installation Procedures Subreflector Adjustment Step Offset Operating Angle Top Stud Nut Adjustment Subreflector Offset Tilt Adjustment StepInstallation Procedures Step Operation Overview Acquiring a SatelliteStep Polarization at 45 degrees from Optimum Setting Maximizing Odd Transponders Subreflector Adjustment Preventive Maintenance Overview General Cleaning Electrical PartsPreventive Maintenance Antenna Preventive Maintenance Drive System Voltage Current Checks Step Step Preventive Maintenance Jackscrews/Motors Gear Motor/Housing Fill Drain Requirements Lubrication Chart High-Speed Antenna Lubrication Points Medium-Speed Antenna Lubrication Points Appendix ‘A’ Appendix ‘B’