Manuals / Andrew / Home Audio / Stereo System

Andrew 3.7-Meter Earth Station Antenna manual Subreflector Feed System, Getting Started

Models: 3.7-Meter Earth Station Antenna

1 86

Download 86 pages 40.98 Kb

Page 13

Image 13

Subreflector

Feed System

Preassemble subreflector weldment

Attach subreflector-mounting ring to strut assembly

Attach angle clips

Attach subreflector to reflector

Adjust subreflector

Tighten adjustment hardware

Refer to installation instructions packaged with the individual feed systems

13	Getting Started

Page 13

Image 13

Andrew 3.7-Meter Earth Station Antenna manual Subreflector Feed System, Getting Started, ‰Preassemble subreflector weldment

Contents

3.7-MeterESA Installation, Operation and Maintenance3.7-MeterEarth Station Antenna Type ES37Table of Contents Table of ContentsInstallation Procedures Operation Preventive MaintenanceIntroduction Introduction3.7-MeterEarth Station Antenna Proprietary Data Information and Assistance Customer Service CenterNotice Technical Assistance 24-hourTechnical AssistanceOverview Content How to Use This ManualHow to Use This Manual Overview Warnings Getting StartedGetting Started Tool Recommended ToolsSize QuantityReporting Equipment Loss or Damage Parts VerificationReporting Visible Loss or Damage Reporting Concealed Damage Inventory Equipment ReceivedGetting Started Returning Equipment Step Step Step Step StepGround Mount Assembly For MPK Types Only Installation Sequence Checklist Site PreparationGetting Started Getting Started For MPJK Types Only Main Reflector AssemblyGetting Started Enclosure Assembly Reflector-To-Mount Assembly‰Adjust subreflector ‰Tighten adjustment hardware Subreflector Feed SystemGetting Started ‰Preassemble subreflector weldmentInstallation Procedures Installation ProceduresOverview Foundation Preparation Use Felt Marker Before After A-325Tensioning Step Step Step Step Step StepTensioning Tensioning Installation ProceduresInstallation Procedures Mount Unpacking Assembly Using a CraneInstallation Procedures Step Step Step StepInstallation Procedures Step Step 6 StepInstallation Procedures Assembly Without a Crane Step StepInstallation Procedures StepFigure 3-6a:Manual Lift Figure 3-6b:Manual Lift Installation Procedures Step Step 5 StepStep Step Step Motorizable Pedestal Ground Mount Assembly StepInstallation Procedures Figure 3-8d:Ground Mount Assembly Tiller Arm Hardware Installation ProceduresInstallation Procedures Manual Pedestal Ground Mount Assembly Step StepInstallation Procedures Step StepFigure 3-12:Azimuth Tiller Arm - Final Assembly Installation ProceduresStep Figure 3-13:Elevation and Azimuth StrutsFigure 3-14 Azimuth Strut Assembly Installation ProceduresStep Step Step Figure 3-16:Azimuth Pivot Assembly Installation ProceduresFigure 3-17a:Azimuth Strut Assembly - Front StepFigure 3-17b:Azimuth Strut Assembly - Rear Installation ProceduresStep Step Installation ProceduresFigure 3-20: Bracket-SupportPlates Top View Step Installation ProceduresFigure 3-21a:Elevation Strut Bracket Figure 3-21b:Elevation Strut BracketInstallation Procedures Manual Actuator Assembly Step Step StepMotorizable Pedestal Ground Mount Assembly Step Manual Actuator Assembly Removal Step Step StepInstallation Procedures Step Step Step StepFigure 3-25a:Jack Unscrew Procedure Installation ProceduresStep Step Figure 3-24:Jack AttachmentStep Step Step Step Installation ProceduresFigure 3-25b Azimuth Jack Attachment Figure 3-27:Elevation Pivot Bracket Assembly Installation ProceduresStep Step Figure 3-28a:Elevation JackInstallation Procedures Step 10 Step Step Step StepInstallation Procedures Embedded Pipe Ground Mount Assembly StepInstallation Procedures Step Elevation/Azimuth Strut Assembly StepStep Installation ProceduresFigure 3-29e Elevation Strut Attachment Step Step Installation ProceduresFigure 3-29g:Azimuth Strut/Pointer Attachment Figure 3-29i:Fine Azimuth Adjustment Attachment Installation ProceduresStep Installation Procedures Reflector Unpacking Step StepStep Step Step Step Installation ProceduresFigure 3-30b:Export Pack Figure 3-30c:Unpacking Installation Procedures Step Step Step Step Assembly Step StepStep Step Installation ProceduresFigure 3-32:Seam Bolt Insertions VEN, BUT INSERTED BY HAND VERY IMPORTANTInstallation Procedures StepStep Installation ProceduresFigure 3-33c:Alignment Bolt Insertions Figure 3-34a:Mounting Ring Placement Installation ProceduresStep Step Step Installation ProceduresMount the front P/N 202790 and back hub-mountingring P/N 49965 to the reflector with the appropriate hardware as shown in Figures 3-35aand b NOTE: A 1/16 inch gap is permitted Alignment Test Step Step Step StepInstallation Procedures Installation Procedures Enclosure Pedestal Mount Only StepVERY IMPORTANT Installation ProceduresStep Figure 3-39a:Enclosure HardwareFigure 3-40:Backing Rod Assembly Installation ProceduresStep Step Step Installation Procedures Reflector-to-MountAssembly Using a Crane StepStep Step Step Step Installation ProceduresFigure 3-44a:Crane Lift Installation Procedures Without a Crane Step StepStep Step Installation ProceduresFigure 3-46:Reflector to Mount Step Step Installation ProceduresFigure 3-47 Enclosure Bracket Installation Procedures Step Step 8 Step StepFigure 3-50a:Reflector to Mount Installation ProceduresGround Mount Step Reflector-to-Mount Assembly Embedded PipeInstallation Procedures Installation Procedures Subreflector StepFigure 3-52b:Subreflector Strut Assembly Installation ProceduresStep Figure 3-53b:Subreflector Assembly Installation ProceduresFigure 3-53c Subreflector Assembly StepStep Installation ProceduresFigure 3-54a:Subreflector Attachment Subreflector Struts Embedded Pipe Ground Mount Assembly Step Step Step StepInstallation Procedures Installation Procedures Subreflector Adjustment Step Step Step Step StepStep Step Step Installation ProceduresFigure 3-56:Subreflector Alignment Installation Procedures Step Step Step Feed SystemOverview Acquiring A Satellite Step Step Step OperationOperation Step Step Step StepOperation Figure 4-1:Pure Noise Signal on Spectrum AnalyzerStep Step Step Step The following steps provide the procedure for acquiring a satelliteOperation Step Step Step Step If the signal amplitude diminishes and does not increase position B to the level noted when the antenna was peaked on the side lobe, the antenna is moving away from the main beam; reverse the direction of the antenna movementOperation Step Figure 4-6:Optimum Polarization SettingOperation Figure 4-5:Maximizing Odd TranspondersStep Step Azimuth Adjustment Step Conclusion Embedded Pipe Ground Mount Elevation AdjustmentManual Actuator Assembly Removal Step Step Step OperationOperation Subreflector AdjustmentOverview General Cleaning Electrical Parts Preventive MaintenancePreventive Maintenance Drive Controller Mechanical Parts Inspection Local Control/MotorPreventive Maintenance Preventive Maintenance Antenna•Operate the azimuth and elevation drives as well as the feed rotation in both the plus Preventive MaintenancePreventive Maintenance Drive System Voltage and Current Checks Step StepStep Step Step Step Step Step Step Pedestal Mount Bearing Pad Adjustment Step Step Step Step StepPreventive Maintenance Galvanized Surfaces Lubrication Preservation of Component Parts Aluminum PartsPreventive Maintenance Requirements Jackscrews/Motors Gear Motor/Housing Fill DrainPreventive Maintenance Table 5-1:Antenna Lubrication Chart Preventive Maintenance

Subreflector

Preassemble subreflector weldment

Attach angle clips

Attach subreflector to reflector

Adjust subreflector

Preassemble subreflector weldment

Attach angle clips

Attach subreflector to reflector

Adjust subreflector