Andrew 9.3-Meter ESA Manuel d'utilisateur

Andrew Corporation10500 West 153rd StreetOrland Park, IL U.S.A. 60462Telephone: 708-349-3300FAX (U.S.A.): 1-800-349-5444Internet: http://www.andrew.co

OverviewFoundationPreparation10Installation ProceduresThis section provides installation procedures for the 9.3-Meter Andrew Earth StationAntenna. The

A-325 TensioningStep 1Step 2Step 3Step 4Step 5Step 611During the installation process, there are several references to the A-325 hardware ten-sioning

Tripod GroundMount AssemblyAzimuth BeamAssemblyStep 1Step 2Step 312The three-point mount is an elevation-over-azimuth mount optimized for geostationar

13Installation ProceduresStep 4Raise 201112 azimuth beam assembly and attach to front foundation pad as shown inFigure 5.• Use 1 in. (25 mm) flatwashe

Support LegsAssemblyStep 1Step 214Attach 200068 joint assembly to 200114A beam assembly as shown in Figure 6. Attach200083 angles to 200114A beam asse

Step 3Step 415Raise 200114A beam assembly to upright position and attach 200109 supports to200068 joint assembly as shown in Figure 8.• Use 7/8 x 2-1/

Step 5Step 616Attach 200108 supports to 200063/200064 rear pad assemblies and 200088 jointassembly as shown in Figure 10.• Use 7/8 x 2-1/4 in (57 mm)

17Installation ProceduresStep 7Refer to Figure 12. Raise and attach assembled beam/support assembly to 200112beam assembly using 7/8 by 2-1/4 in (57 m

Panning FrameAssemblyStep 1Step 2Step 318Refer to Figures 13A and 13B. Determine azimuth range requirements from APPENDIX‘A’ (page 65) and loosely att

Step 4Step 519Installation ProceduresFigure 14Refer to Figure 14. Apply supplied RTV to flange surfaces and loosely attach200699/200021 elevation pivo

IntroductionHow to Use This ManualGetting StartedInstallationProceduresOperationPreventiveMaintenanceTable of Contents2Table of ContentsIntroduction.

Step 620Installation ProceduresFigure 15Refer to Figure 15. Raise assembled panning/pivot assembly and loosely attach 301786azimuth pivot assembly to

Step 7 Step 821Installation ProceduresFigure 16301786Refer to Figure 16. Attach 200107 support pairs back-to-back with 45967 spacer at mid-point. Loos

Azimuth JackScrew AssemblyStep 1Step 222Installation ProceduresAttach 200131 azimuth jack extension to 200013-4 azimuth jack screw (manual, low- andme

Step 3Step 4Step 523Installation ProceduresFigure 18Refer to Figure 18. Raise the azimuth pivot/jack screw assembly, and attach to 200088Ajoint assemb

Step 624Installation ProceduresFigure 19AReplace previously removed jack screw band clamp assembly.Note: Attach .jack extension to pivot assembly usin

ElevationJackscrewAssemblyStep 1Step 225Installation ProceduresFigure 20Refer to Figure 20. Apply supplied RTV to indicated flange surfaces and attach

Step 326Installation ProceduresFigure 21Refer to Figure 21. Apply supplied RTV to flange surface and attach remaining end of200128 elevation extension

Grounding CableAttachmentStep 127Installation ProceduresFigure 22Note: Thoroughly clean exposed portions of grounding cables, unplated portion of uni-

Step 2Step 328Installation ProceduresRefer to Figure 23. Remove existing 7/8 by 2-1/4 in (57 mm) hardware from both eleva-tion pivot/joint assemblies

Reflector/BackstructureAssemblyFeed RotatingTube AssemblyStep 129Installation ProceduresType A-325 hardware is utilized during the reflector attachmen

IntroductionLike all Andrew earth station antennas, the 9.3-Meter Earth Station Antenna provideshigh gain and exceptional pattern characteristics. The

Step 2Step 330Installation ProceduresRefer to Figure 25. Align tabs on feed rotating tube assembly 77639 or non-rotating tube78334 with corresponding

Jack TripodAssemblyStep 1Step 2Step 3Step 431Installation ProceduresFigure 26Attach side plates to jack tripod assembly leg.• Use 1 x 2-1/2 in (64 mm)

32Installation ProceduresReflectorAssemblyStep 1Step 2Refer to Figure 27. Assemble 20 right- and left-hand back-to-back strut assembly pairsType 78082

33Installation ProceduresStep 3Refer to Figure 29. Carefully remove reflector panel segments from packing crates.Begin with center flash panel (if app

34Installation ProceduresStep 4Step 5Refer to Figure 30. Install reflector segment formed tee section between correspondingback strut members and atta

35Installation ProceduresStep 6SubreflectorAssemblyStep 1Refer to Figure 32. Loosely attach 300177 Subreflector Strut Supports to reflector asshown en

Step 2Step 3Step 4Step 5Step 6Refer to Figure 34. Attach 300178 Subreflector Strut Brackets to 300174 Strut Assemblies.• Use 1/2 x 2-1/2 in (64 mm) ga

37Installation ProceduresStep 7Step 8Refer to Figure 35. Raise preassembled subreflector subassembly and strut assemblyand attach to subreflector supp

38Installation ProceduresTheodoliteAssemblyTheodoliteInstallationStep 1Refer to Figure 36. The Andrew Theodolite Kit (223711) contains 1 theodolite mo

38Installation ProceduresStep 2Refer to Figure 37. Install theodolite support assembly to feed support tube. Securetheodolite support assembly by atta

Proprietary DataInformation andAssistanceNoticeTechnicalAssistanceThe technical data contained herein is proprietary to Andrew Corporation. It is inte

TheodoliteLevelingStep 1Step 2Step 340Installation ProceduresFigure 38Refer to Figure 38. Assemble 3 brass rod holders as shown. The brass rod holders

Step 4Step 541Installation ProceduresRefer to Figures 38 and 39. With the height of the theodolite and its support kit set asindicated in Figure 24, t

TheodoliteCenteringStep 1Step 2Step 3Step 4Step 5Step 6Theodolite HeightAdjustmentStep 1Step 2Step 3Step 442Installation ProceduresRefer to Figures 38

43Installation ProceduresReflector PanelAdjustmentStep 1Step 2Step 3Step 4Step 5Step 6Step 7Step 8Figure 40Refer to Figure 40. Each panel segment has

44Installation ProceduresTable 3

SubreflectorAdjustmentStep 1Step 2Step 3Step 445Installation ProceduresRefer to Figure 42. Use tape measure to set rim of subreflector to required dis

SubreflectorOffset TiltAdjustmentStep 1Step 2Step 3Step 4Step 546Installation ProceduresRefer to Table 4 and Figure 43. Adjust top subreflector jam nu

Reflector/Back-structure toGround MountAssemblyInstallationStep 1Step 247Installation ProceduresRefer to Figure 45. Attach 5/8 in (16 mm) shackles wit

Step 3Step 4Step 5Step 6Step 748Installation ProceduresRefer to Figure 46. Extend elevation jack extension assembly to 7 ft (2 m) dimension asshown. R

OverviewAcquiring ASatellite49OperationAfter you have completed the assembly of your antenna, you are now ready to becomeoperational. In order to oper

OverviewContentThe scope of this manual is intended to provide station personnel with the base installa-tion, operation, and maintenance requirements

Step 1Step 2Step 3Step 4Step 5Step 650The following steps provide the procedure for acquiring a satellite.Begin by obtaining the correct Az/El pointin

Step 7Step 8Step 951Move the antenna in azimuth to obtain a null, then move ± in elevation to obtain a largepeak signal. If not, move the antenna in t

Step 1052With all 24 transponder signals of approximately equal amplitude appearing on thespectrum analyzer screen determine the specific antenna syst

SubreflectorAdjustment53OperationAfter the satellite has been acquired and testing has taken place with the spectrum analyzer,the subreflector may nee

OverviewGeneral CleaningElectrical Parts54Preventive MaintenanceThis section contains periodic preventive maintenance instructions for the 9.3-MeterEa

Mechanical PartsInspectionLocalControl/MotorDrive Controller55Clean mechanical parts by first removing dust, dirt, and other loose contaminants with a

Antenna 56• Check transformer for an excessive wax deposit on the surface, discoloration, or apungent odor indicative of burning vanish denoting overh

57• Operate the azimuth and elevation drives as well as the feed rotation in both the plusand minus direction from the local control/motor drive contr

Drive SystemVoltage andCurrent Checks Step 1 Step 2 Step 3 58• Check security of antenna mounting and interconnecting assembly hardware. Be cer-tain a

Step 4Step 5Step 6Step 7Step 8Step 959Repeat preceding step (3) with the FEED CCW/OFF/CW switch in the alternate operat-ing position.Turn the AZIMUTH

OverviewWarningsThe installation, operation, and maintenance of the 9.3-Meter Earth Station Antennarequires qualified and experienced personnel. Andre

Preservation ofComponent PartsAluminum PartsGalvanizedSurfacesLubrication60When preserving the component parts, refer to the following paragraphs in t

Jackscrews/MotorsGearMotor/Housing FillDrainRequirements61and remove any old lubricant to prevent an excessive build-up. Remove indicatedaccess plugs

62Preventive MaintenanceLube Components Frequency Type Type No. of LubePoint to be (Months) of of Points orNo. Lubricated 13612Service Lube Quantity1.

High-Speed Antenna Lubrication Points59106784123LocalMotorControlHeaterControlPressureFittingPressureFittingGearboxFillGearboxVentGearboxLevelGearboxF

Medium-Speed Antenna Lubrication Points59106784123LocalMotorControlHeaterControlPressureFittingPressureFittingGearboxLevelGearboxDrainGearboxLevelGear

APPENDIX ‘A’This section contains the formulas for determining the point-ing capabilities of the modular mount earth station antenna.Formulas for calc

APPENDIX ‘B’Sector Change ProcessThe following is a generalized procedure of the actions required to change the 9.3M tripod mount from anexisting azim

RecommendedToolsNOTE: Failure to follow an installation procedure could result in damage to equipmentor personal injury.Additional warnings will be di

Parts VerificationReportingEquipment Loss orDamageReporting VisibleLoss or DamageReportingConcealedDamage InventoryEquipmentReceivedAndrew Corporation

ReturningEquipmentStep 1 Step 2 Step 3 Step 4Step 5Andrew Corporation tries to ensure that all items arrive safe and in working order.Occasionally, de