Andrew ES73 manual Reflector to Ground Mount Assembly Step

Page 48

Reflector to Ground Mount Assembly

Step 1

Step 2

Attach 5/8 in (16 mm) shackles to three lifting tabs as shown in Figure 62. Attach 15 ft (4.5 m) tag lines to opposing quadrapod plates.

Top

Figure 62

Raise reflector/backstructure assembly and align with corresponding mounting holes in drum and elevation axis assemblies using tag lines for proper guidance as shown in Figure 63. Attach rear of drum assembly to elevation axis assembly using 300037 spac- ers, 3/4 x 4 in (102 mm) bolt and nut assemblies and flat washers. Align mounting holes and attach forward leg of jack tripod to forward portion of drum assembly using 5/8 x 3 in (76 mm) bolt and nut assembly, clipped washers and cast spacer as shown in Figure

64.Securely tighten mounting hardware per A-325 Tensioning Procedure. Note: Required mounting hardware is included as part of reflector/backstructure hardware kit 300033.

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Installation Procedures

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Contents Meter ESA Table of Contents Meter Earth Station Antenna IntroductionProprietary Data Information and Assistance Technical Call From Call To Telephone FaxOverview Content How to Use This ManualOverview Getting StartedRecommended Tools Tool Size QuantityGetting Started Returning Equipment Step Installation Procedures Overview Foundation PreparationTensioning Step 1b A-325 Tensioning For bolts over four diametersTripod Ground Mount Assembly Azimuth Beam Step Support Legs Assembly Step 201315 Supports Step Panning Frame Assembly Step Step 201316 Supports 201487 201488 Panning Frame Outrigger Plate Support 201488 Outrigger Plate Step 301772 Tripod Tube Weldment 300026 Tripod Channel Legs Elevation Jackscrew Assembly Step 301771/301736 Elevation Jackscrew Azimuth Jackscrew Assembly Step Mount Assembly Step 201327A 201313A Step 221345 X 2-1/4 57 mm Upper Lower Collars Installation Procedures Step Horn Assembly Shown for Step 201065A Waveguide Support Equipment Enclosure Step Reflector Backstructure Assembly Step Step Center portion Andrew Flash logo Step Step Step Step Quadrapod Subreflector Strut Assembly Step Installation Procedures Step Step Reflector to Ground Mount Assembly Step Installation Procedures Subreflector Assembly Adjustment Step Step Cross-Axis Grounding Kit Step Step Overview Acquiring a Satellite OperationStep Polarization at 45 degrees from Optimum Setting Maximizing Odd Transponders Subreflector Adjustment Overview General Cleaning Electrical Parts Preventive MaintenancePreventive 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