Andrew ES73 manual Quadrapod

Page 43

Step 15

Step 16

Beginning with panel seam 1, fully tighten hardware attaching panels to upper drum assembly ring, reflector tee segment to back strut assembly, back strut assembly to lower drum assembly ring and back strut assembly pairs. Continue tightening attaching hardware on all reflector segments.

Install 170147 quadrapod plates at positions indicated in Figure 54 according to proce- dure in Figure 55. Do not tighten hardware.

Use 1/2 x 1-1/4 in (32 mm) bolts lockwashers and nuts

 

 

Quadrapod

Quadrapod

 

Plates

Plates

 

 

 

 

 

 

Figure 54

Figure 55

43

Installation Procedures

Image 43
Contents Meter ESA Table of Contents Introduction Meter Earth Station AntennaCall From Call To Telephone Fax Proprietary Data Information and Assistance TechnicalHow 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 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 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