Andrew ES45T 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

Tripod GroundMount AssemblyES45T-T MainReflectorAssemblyES45T-T BackStructureAssemblyES45T Reflector-to-MountAssembly (With Crane)Feed Installation Wa

OverviewFoundationPreparation11Installation ProceduresThis section provides installation procedures for the 4.5-Meter Andrew Earth StationAntenna. The

A-325 TensioningStep 1Step 2Step 3Step 4Step 5Step 612During the installation process there are several references to the A-325 hardware ten-sioning p

Tripod MountStep 113The three-point mount in an elevation-over-azimuth configuration optimized for geosta-tionary satellite applications. The mount en

Step 214Installation ProceduresFigure 4Loosely connect support angles (P/N 49624) with spacers (P/N 46560-2) to azimuth axissupport and rear anchor pa

Step 3Step 415Lay out support and elevation pivot assembly (P/N 49635) and support angles (P/N49623) as shown in Figure 6.Installation ProceduresFigur

Step 5Step 616Loosely attach support angles (P/N 49622) to the upper azimuth axis joint (P/N 300748)and the connection plates (part of P/N 49635)as sh

Step 7Step 8Step 917Tightly knot 40 ft. rope to azimuth axis joint (P/N 300748) for hoisting to azimuth axissupport (P/N 49634).Installation Procedure

Step 10Step 11Step 1218Use a carpenter’s level to level support assembly as indicated in Figure 12. Loosen U-bolts to move support assembly up or down

Step 1319Installation ProceduresFigure 14Determine required length of elevation strut to nearest degree increment of desired ele-vation setting as spe

IntroductionHow to Use ThisManualGetting StartedInstallationProceduresOperationPreventiveTable of Contents2Table of ContentsIntroduction . . . . . . .

20Installation ProceduresLoosely attach azimuth strut end bracket (P/N 49767) to universal block (P/N 49705) asshown in Figure 16.• Use ¾ x 1-¼ in. bo

Step 16Step 17 Step 18 Step 19 21Connect U-bracket (P/N 49704) to appropriate connection plate.• Use A-325 ½ x 1-½ in. bolts, flatwashers and nuts. (s

ES45T-RReflector Step 1 Step 2 22The ES45T-R-1 reflector is composed of six precision-formed panels designed for accu-racy and strength and ensure rel

Step 323Note: All six reflector segments are identified individually by a two letter designation (A-B, D-E, etc). Locate the markings on the reflector

Step 4Step 524Installation ProceduresRaise segments and hold while loosely attaching mounting ring hub (P/N 49965) to con-vex side of center opening.•

Step 6Step 725Installation ProceduresFigure 24Loosely attach joining plate (P/N 49693) along A-A seam inside reflector rim as shown inFigure 25.• Inse

Step 8Step 926Installation ProceduresLoosely attach segment E-F to mounting ring hub, diameter setting bands and segmentsA-F and D-E with joining plat

Step 10Step 1127Installation ProceduresLoosely attach reflector segment B-C to mounting ring hub and diameter setting bands.Use joining plates (P/N 49

28Installation ProceduresStep 12Step 13Step 14Install last reflector panel (C-D) by loosely attaching to diameter setting bands andmounting ring hub.

29Installation ProceduresReflector LevelingProcedureStep 1Step 2Step 3Step 4Step 5Step 6Step 7Step 8Position (6) temporary supports near panel seams e

Like all Andrew earth station antennas, the 4.5-meter earth station antenna provideshigh gain and exceptional pattern characteristics. The electrical

Step 9Step 10Step 11Step 12Step 13Feed StrutAssemblyStep 1Step 230Installation ProceduresShim each location as required to level the reflector (see Fi

ES45T-R-1Back Structure31Installation ProceduresThe back structure assembly attaches to the rear of the reflector. The back structureprovides stabilit

Step 132Installation ProceduresRefer to back structure Figure 34 for positioning and orientation details.• Apply stick wax (P/N 200852) to A-325 bolt

Step 2Step 333Installation ProceduresLoosely attach tee plates (P/N 202447) to points B, F and D on convex side of reflectoras shown in Figure 35.• Us

Step 4Step 534Installation ProceduresLoosely attach support angles (P/N 49436) to three tee plates (P/N 202447) as shown inFigure 37.• Use A-325 ½ x 1

Step 6Step 7Step 8Step 9Step 1035Installation ProceduresLoosely attach support angles (P/N 49438) from plates A and C to angle (P/N 49436)from tee pla

Reflector-to-MountAssembly(With Crane)Step 1Step 236Installation ProceduresThis reflector can be installed on the mount manually or by using a crane.

Step 3Step 437Installation ProceduresCrane should place reflector so that pivot brackets align with support and elevation pivotassembly as shown in Fi

Step 538Installation ProceduresFigure 44Manually raise reflector to attach remaining end of elevation strut to elevation axisbracket of main triangle

Reflector-to-MountAssembly(With Hoist Kit)Step 1Step 2Step 3Step 4Step 5Step 639Installation ProceduresThe optional hoist kit (P/N 49080) must be asse

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

Step 7Step 8Step 9Step 1040Installation ProceduresLoosely attach support (P/N 49060) and remaining ends of supports (P/N 49061) to cor-responding pick

Step 11Step 12Step 1341Installation ProceduresRemove small portion of foam padding from reflector packing crate and install underbottom portion of ref

Step 14Step 15Step 16Step 1742Installation ProceduresRaise lower portion of reflector/backstructure assembly and attach remaining end of ele-vation st

Elevation andAzimuthAdjustmentsStep 1Step 2Step 3Step 4Step 5Step 6Step 743Installation ProceduresProper antenna pointing requires specific coarse and

Step 8Step 9Step 10Step 11Step 12Step 13Step 1444Installation ProceduresAttach fine adjustment assembly between adjacent azimuth strut sections as sho

Feed SupportAssemblyStep 1Step 245Installation ProceduresBy now, you can see that your installation of the 4.5-Meter Earth Station Antenna isalmost co

ES45T-T-1ReflectorStep 1Step 246Installation ProceduresThe ES45T-T-1 reflector is composed of six precision-formed panels designed for accu-rate stren

Step 3Step 447Installation ProceduresNote: All six reflector segments are identified individually by a two letter designation (A-B, D-E, etc). Locate

Step 5Step 648Installation ProceduresLoosely attach reflector segments A-B and D-E to diameter setting bands (P/N 49612)with edge joining plates (P/N

Step 7Step 849Installation ProceduresFigure 58Loosely attach segment E-F to mounting ring hub, diameter setting bands, and seg-ments A-F and D-E with

OverviewContentThe scope of this manual is intended to provide station personnel with the base installa-tion (ie: mount, reflector and enclosure), ope

Step 9Step 10Step 1150Installation ProceduresStation an installer inside reflector to finger-tighten seam hardware and attach final pan-els as shown i

Step 12Step 13Step 14Step 15Step 16Reflector LevelingProcedureStep 151Installation ProceduresInstall final reflector panel (C-D) by loosely attaching

Step 2Step 3Step 4Step 5Step 652Installation ProceduresPosition theodolite, transit or laser level about 10 feet [3m] from outside perimeter ofreflect

Step 7Step 8Step 9Step 10Step 11Step 12Step 13Reflector CenterPlate AssemblyStep 153Installation ProceduresPosition measuring rod point down over temp

Step 2Feed StrutAssemblyStep 1Step 254Installation ProceduresFigure 65Pass feed struts (P/N 221491-1) to installer underneath for attachment to feed s

ES45T-T-1Back StructureStep 155Installation ProceduresFigure 66The back structure assembly attached to the rear of the reflector. The back structurepr

Step 2Step 3Step 4Step 5Step 6Step 7Step 8Step 9Step 1056Installation ProceduresLoosely attach tee plates (P/N 202447) and corresponding rib connectin

Step 11Step 12Step 13Reflector-To-Mount Assembly(With Crane)Step 1Step 257Installation ProceduresCheck diameter setting bands to ensure they are unifo

Step 3Step 458Installation ProceduresCrane should place reflector so that pivot brackets align with support and elevation pivotassembly as shown in Fi

Step 559Installation ProceduresAttach remaining end of elevation strut to elevation axis bracket of main triangle assem-bly as shown in Figures 71 and

OverviewWarningsThe installation, operation and maintenance of the 4.5-Meter Earth Station Antennarequires qualified personnel. Andrew installation, o

Reflector-To-Mount Assembly(With Hoist Kit)Step 1Step 2Step 3Step 4Step 5Step 6Step 760Installation ProceduresThe optional hoist kit (P/N 49080) must

Step 8Step 9Step 10Step 1161Installation ProceduresSecurely attach winch assembly (P/N 39532) to lower portion of azimuth axis support(P/N 49634) usin

Step 12Step 13Step 1462Installation ProceduresHoist reflector/backstructure assembly to vertical position until upper joints of main trian-gle assembl

Step 15Step 16Step 17Elevation andAzimuthAdjustmentsStep 1Step 2Step 3Step 4Step 563Installation ProceduresSet fine elevation and azimuth strut positi

Step 6Step 7Step 8Step 964Installation ProceduresDetermine required length of azimuth strut to nearest degree increment of desiredazimuth setting. Adj

Step 10Step 11Step 12Step 13Step 14FeedSupport/StrutAssemblyStep 1Step 265Installation ProceduresSet fine elevation and azimuth strut positions by loo

PolarizationAdjustmentStep 1Step 2Step 3Step 466Connect receive LNA output to spectrum analyzer and fine adjust elevation and azimuthstrut lengths to

Medium ModularMountRefer to bulletin 237151C, for Installation Instructions.67

OverviewAcquiring ASatelliteStep 1Step 2Step 3Step 4Step 5Step 6Step 768OperationOperationAfter you have completed the assembly of your antenna, you a

Step 169While viewing the spectrum analyzer screen, a pure noise signal as shown in Figure 1will probably be observed. Additionally, some transponder

RecommendedToolsNote: Failure to follow an installation procedure could result in damage to equipment or personal injury.Additional warnings will be d

Step 2Step 3Step 4Step 570OperationThe maximum azimuth excursion from the original setting should not exceed ±1.5° orthe antenna may begin to access a

Step 6Step 7Step 8Step 971OperationMove the antenna in elevation while observing the spectrum analyzer screen. If the sig-nal amplitude increases, dec

Manual ActuatorAssembly RemovalStep 1Step 2Step 372OperationFigure 6After you have successfully acquired the satellite and all adjustments have been m

OverviewGeneral CleaningElectrical Parts73Preventive MaintenanceThis section contains periodic preventative maintenance instructions for the 4.5-Meter

Mechanical PartsInspectionLocalControl/MotorDrive Controller74scraper, stiff brush (bristle, or wire in the case of rust or corrosion), or cloth or co

Antenna 75• Check all electrical components for dirt, chips, cracks, breaks, discoloration or othersigns of deterioration and damage. A discolored, bl

76• Check all electrical components for dirt, cracks, chips, breaks, discoloration and othersigns of deterioration and damage. A discolored, blistered

Drive SystemVoltage andCurrent Checks Step 1 Step 2 Step 3 Step 4 77• Check security of antenna mounting and interconnecting assembly hardware. Be cer

Step 5Step 6Step 7Step 8Pedestal MountBearing PadAdjustmentStep 1Step 2Step 3Step 4Step 578Turn the ELEVATION DOWN/UP switch to either position and wh

Preservation ofComponent PartsAluminum PartsGalvanizedSurfacesLubrication79When preserving component parts, refer to the following paragraphs in this

Parts VerificationReportingEquipment Loss orDamageReporting VisibleLoss or DamageReportingConcealedDamage InventoryEquipmentReceivedReturningEquipment

Jackscrews/MotorsGearMotor/Housing FillDrainRequirements80the application of lubricant to any parts, use a clean cloth and/or bristle brush andremove

81Table 1. Antenna Lubrication ChartLube Parts to be Lubricated Action Frequency Service Lube Quantity/ AndrewPoint Type Type Points Number1 Elev

InstallationSequenceChecklistSite PreparationTripod GroundMount AssemblyES45T-RMain ReflectorAssemblyES45T-RBack StructureAssemblyES45T Reflector-to-M