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Andrew 3.7-Meter Earth Station Antenna Installation Procedures, 17b:Azimuth Strut Assembly - Rear

Models: 3.7-Meter Earth Station Antenna

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Page 29

Image 29

Figure 3-17b: Azimuth Strut Assembly - Rear

Figure 3-18 illustrates a final azimuth strut assembly mounted to the ground mount assembly.

Figure 3-18: Azimuth Strut Assembly - Final Assembly

29	Installation Procedures

Page 29

Image 29

Andrew 3.7-Meter Earth Station Antenna manual Installation Procedures, 17b:Azimuth Strut Assembly - Rear

Contents

3.7-MeterESA Installation, Operation and Maintenance3.7-MeterEarth Station Antenna Type ES37Table of Contents Table of ContentsInstallation Procedures Operation Preventive Maintenance3.7-MeterEarth Station Antenna IntroductionIntroduction Proprietary Data Information and Assistance Customer Service CenterNotice Technical Assistance 24-hourTechnical AssistanceHow to Use This Manual How to Use This ManualOverview Content Getting Started Getting StartedOverview Warnings 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 StepGetting Started Installation Sequence Checklist Site PreparationGround Mount Assembly For MPK Types Only 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 weldmentOverview Foundation Preparation Installation ProceduresInstallation Procedures 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 StepFigure 3-6a:Manual Lift Figure 3-6b:Manual Lift StepInstallation Procedures Installation Procedures Step Step 5 StepInstallation Procedures Motorizable Pedestal Ground Mount Assembly StepStep Step Step 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 StrutsStep Step Step Installation ProceduresFigure 3-14 Azimuth Strut Assembly Figure 3-16:Azimuth Pivot Assembly Installation ProceduresFigure 3-17a:Azimuth Strut Assembly - Front StepFigure 3-17b:Azimuth Strut Assembly - Rear Installation ProceduresFigure 3-20: Bracket-SupportPlates Top View Installation ProceduresStep Step 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 AttachmentFigure 3-25b Azimuth Jack Attachment Installation ProceduresStep Step Step Step 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 StepFigure 3-29e Elevation Strut Attachment Installation ProceduresStep Figure 3-29g:Azimuth Strut/Pointer Attachment Installation ProceduresStep Step Step Installation ProceduresFigure 3-29i:Fine Azimuth Adjustment Attachment Installation Procedures Reflector Unpacking Step StepFigure 3-30b:Export Pack Figure 3-30c:Unpacking Installation ProceduresStep Step Step Step Installation Procedures Step Step Step Step Assembly Step StepFigure 3-32:Seam Bolt Insertions Installation ProceduresStep Step VEN, BUT INSERTED BY HAND VERY IMPORTANTInstallation Procedures StepFigure 3-33c:Alignment Bolt Insertions Installation ProceduresStep Step Installation ProceduresFigure 3-34a:Mounting Ring Placement Mount 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 Installation ProceduresStep Step Installation Procedures Alignment Test Step Step Step StepNOTE: A 1/16 inch gap is permitted Installation Procedures Enclosure Pedestal Mount Only StepVERY IMPORTANT Installation ProceduresStep Figure 3-39a:Enclosure HardwareStep Step Step Installation ProceduresFigure 3-40:Backing Rod Assembly Step Reflector-to-MountAssembly Using a Crane StepInstallation Procedures Figure 3-44a:Crane Lift Installation ProceduresStep Step Step Installation Procedures Without a Crane Step StepFigure 3-46:Reflector to Mount Installation ProceduresStep Step Figure 3-47 Enclosure Bracket Installation ProceduresStep Step Installation Procedures Step Step 8 Step StepFigure 3-50a:Reflector to Mount Installation ProceduresInstallation Procedures Reflector-to-Mount Assembly Embedded PipeGround Mount Step Installation Procedures Subreflector StepStep Installation ProceduresFigure 3-52b:Subreflector Strut Assembly Figure 3-53b:Subreflector Assembly Installation ProceduresFigure 3-53c Subreflector Assembly StepFigure 3-54a:Subreflector Attachment Installation ProceduresStep Installation Procedures Assembly Step Step Step StepSubreflector Struts Embedded Pipe Ground Mount Installation Procedures Subreflector Adjustment Step Step Step Step StepFigure 3-56:Subreflector Alignment Installation ProceduresStep Step Step 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 AnalyzerOperation The following steps provide the procedure for acquiring a satelliteStep Step Step Step Operation 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 movementStep Step Step Step 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 AdjustmentPreventive Maintenance Preventive MaintenanceOverview General Cleaning Electrical Parts Preventive Maintenance Mechanical Parts Inspection Local Control/MotorDrive Controller Preventive Maintenance Antenna•Operate the azimuth and elevation drives as well as the feed rotation in both the plus Preventive MaintenanceStep Drive System Voltage and Current Checks Step StepPreventive Maintenance Preventive Maintenance Bearing Pad Adjustment Step Step Step Step StepStep Step Step Step Step Step Pedestal Mount Preventive Maintenance Preservation of Component Parts Aluminum PartsGalvanized Surfaces Lubrication Preventive Maintenance Jackscrews/Motors Gear Motor/Housing Fill DrainRequirements Table 5-1:Antenna Lubrication Chart Preventive Maintenance