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TABLE OF CONTENTS

Paragraph

Title

Page

General Description and Theory of Operation................................................................ 9

1.1 Scope

.............................................................................................................................. 9

1.2

Purpose of Equipment ..................................................................................................... 9

1.3 Equipment

Supplied

........................................................................................................ 9

1.4 Physical

Description ...................................................................................................... 9

1.4.1 Antenna

........................................................................................................................... 9

1.5 Functional

Description

..................................................................................................

1.5.1 Antenna

Unit

................................................................................................................. 10

1.5.1.1 Reflector

....................................................................................................................... 10

1.5.1.2

Dual Feed Assembly ..................................................................................................... 10

1.5.2

Polarization and Beamswitch Box ................................................................................ 10

1.6

Theory of Operation ..................................................................................................... 11

1.6.1

Dual Feed Assembly ..................................................................................................... 11

1.6.2 Reflector

....................................................................................................................... 11

1.6.3

Detailed Circuit Analysis .............................................................................................. 11

1.6.3.1 Antenna

Unit

................................................................................................................. 11

1.6.3.2

Azimuth Antenna Pattern ............................................................................................. 12

1.6.3.3 Elevation

Patterns

......................................................................................................... 12

1.63.4

Other Antenna Specifications ....................................................................................... 12

1.6.3.5 Antenna Reflector ......................................................................................................... 12

1.6.3.6 Reflector

Mounting

and Tilt Adjustment ...................................................................... 13

1.6.4

Dual Feed Assembly ..................................................................................................... 13

1.6.4.1 Feed

Assembly.............................................................................................................. 13

1.6.4.2

Circular Polarization Generation .................................................................................. 13

1.6.4.3 Transmitting

Circularly Polarized Signals .................................................................... 14

1.6.4.4 Receiving

Circularly Polarized Signals ........................................................................ 14

1.6.4.5

Transmitting and Receiving Linearly Polarized Signals .............................................. 15

1.6.4.6 Feedhorn

Assembly

...................................................................................................... 15

1.6.4.7

Polarizer/Feed Assembly Mechanical Operation.......................................................... 15

Содержание 174100

Страница 1: ...INSTALLATION AND MAINTENANCE MANUAL for MODEL 174100 ASR 11 S BAND ANTENNA MANUAL No 79680 REVISION AD 22 October 2003 ANDREW CANADA INC 606 BEECH STREET WHITBY ONTARIO CANADA L1N 552 79680 AD DOC...

Страница 2: ...RCH 2000 Revision R 30 JANUARY 2001 Revision T 26 FEBRUARY 2001 Revision U 04 OCTOBER 2001 Revision V 21 MAY 2002 Revision W 29 JULY 2002 Revision Y 15 JAN 2003 Revision Z 30 APRIL 2003 Revision AA 14...

Страница 3: ...SAFETY PRECAUTION HAS BEEN INCORPORATED IN THIS EQUIPMENT THE FOLLOWING RULES MUST BE STRICTLY OBSERVED KEEP AWAY FROM LIVE CIRCUITS Operators and maintenance personnel must at all times observe safet...

Страница 4: ...trical power pull push or lift the person to safety using a dry wooden pole a dry rope or some other insulating material Send for help as soon as possible After the injured person is no longer in cont...

Страница 5: ...flector 11 1 6 3 Detailed Circuit Analysis 11 1 6 3 1 Antenna Unit 11 1 6 3 2 Azimuth Antenna Pattern 12 1 6 3 3 Elevation Patterns 12 1 63 4 Other Antenna Specifications 12 1 6 3 5 Antenna Reflector...

Страница 6: ...Bracket 44 3 3 5 Lifting the Assembly 46 3 3 6 Leveling the Antenna Assembly 50 3 3 7 Installing the Polarization and Beamswitch Control Box 51 3 3 8 Installing the AC Junction Box 51 3 3 9 Adjusting...

Страница 7: ...Stand Kit 27 3 3 Installation Equipment 27 3 4 Standard Torque Values for Assembly 29 3 5 Base Interface Kit Materials 174198 32 3 6 Fixed Feeds Unit to Reflector Base Installation Materials 34 3 7 La...

Страница 8: ...tion 49 3 8 Waveguide Installation 54 3 9 Waveguide Hanger Installation 55 3 10 Coaxial and Electrical Cable Installation 60 Polarization and Beamswitch Control Box Installation 60 AC Junction Box Ins...

Страница 9: ...ed in Table 3 1 Figure 3 1 shows the complete Antenna assembly 1 4 PHYSICAL DESCRIPTION The antenna assembly uses materials coatings and finishes inherently resistant to corrosive environment Intended...

Страница 10: ...ctor has a modified parabolic shape designed to produce an approximately cosecant squared beam in the elevation plane The reflecting surface covered with expanded aluminum screen is 16 1 feet wide and...

Страница 11: ...produce a secondary active beam directed more toward the ground than the passive beam The transmitted signal is radiated by this lower beam During the high ground clutter return period the first 10 or...

Страница 12: ...lative to the peak power point of each respective pattern at an angle of 4 1 degrees active and 5 1 degrees passive below the lower 3 dB elevation pattern power point With the antenna set so that it i...

Страница 13: ...er assemblies transducers transitions to type N two feedhorns two radomes and associated supporting hardware Both feeds are held in place by a mounting frame Feed positioning is established during pat...

Страница 14: ...resulting from precipitation are reverse sense circularly polarized They enter the polarizer pass through the phase shift section and enter the dual mode transducer as horizontally polarized signals T...

Страница 15: ...airtight seal without degradation of signal strength 1 6 4 7 Polarizer Feed Assembly Mechanical Operation Refer to Figures 1 3 4 1 and 4 2 Two dielectric vanes inserted from one wall of the square wa...

Страница 16: ...t maximum depth in the square waveguide section and operation is in the circular polarization mode as indicated at the system control panels 1 6 4 7 3 If a linear select signal 220 Volts AC is now app...

Страница 17: ...17 Figure 1 1 Typical Pattern Azimuth...

Страница 18: ...18 Figure 1 2 Typical Pattern Elevation...

Страница 19: ...19 Figure 1 3 Polarizer Schematic...

Страница 20: ...02 08 2016 SDR ASR11 052 TI 6310 59 20...

Страница 21: ...must be taken in un crating and unpacking the antenna equipment so as to avoid damage The antenna reflector Figure 3 1 and its screened contour surface must not be dented or bowed In addition the dual...

Страница 22: ...22 Figure 3 1 Complete Antenna Installation...

Страница 23: ...23 Figure 3 2 Shipping and Support Stand...

Страница 24: ...This weight does not include the site specific antenna counterweights Raytheon recommends that only the basic counterweights of 620 lbs be used for all tilt angles but the customer can optionally ord...

Страница 25: ...ic control radar operation within the terminal area supported atop an antenna tower The reflector and feedhorns provide a modified cosecant squared elevation pattern with dual beam receive capability...

Страница 26: ...ckaged separately and shipped interspersed among the rest of the antenna packaging Additional items are provided as requested for each antenna shipment and include the reusable support stand and lifti...

Страница 27: ...Antenna Table 3 3 Installation Equipment DESCRIPTION SIZE Ratchet 3 8 drive Ratchet 2 drive Ratchet 3 4 drive Socket Set 3 8 drive 3 8 3 4 plus 10mm Metric socket Socket Set 2 drive 2 1 1 8 Socket Se...

Страница 28: ...s sufficient length for site Crane sufficient capacity and adequate height for site Machinist s Level Starett 98 12 or equivalent Isopropanol or equivalent for cleaner de greaser I liter consumable Co...

Страница 29: ...5 STEEL STAINLESS STEEL 1 4 20 UNC 5 5 ft lb 8 0 ft lb 6 5 ft lb M6 1 0 6g 5 5 ft lb 8 0 ft lb 6 5 ft lb 5 16 18 UNC 11 ft lb 17 ft lb 11 5 ft lb 318 16 UNC 20 ft lb 30 ft lb 20 ft lb 1 2 13 UNC 50 f...

Страница 30: ...stall the SSR LVA to the PSR SSR Interface Mount see the LVA installation manual f Use Antenna Lift Kit and a crane to lift assembly of a thru d to the pedestal g Level the antenna assembly h Install...

Страница 31: ...063 to the left of center and one pair is 063 to the right of center With the components loosely assembled per steps a b line up the required 250 diameter holes to the Shaft item 2 that will allow the...

Страница 32: ...74213 Pointer Tilt 1 15 9963 134 Screw 1 4 20 x 518 1 16 9974 15 Washer lock 1 4 2 17 9997 42 Washer flat 1 4 1 18 9963 76 Screw 1 4 20 x 1 25 1 19 71964 Bolt Assembly 5 8 11 x 2 0 8 20 9997 60 Washer...

Страница 33: ...33 Figure 3 3 Base Interface Kit PSR Base Assembly...

Страница 34: ...on Qty 1 9963 796 Bolt Hex 3 4 10 x 2 5 4 2 9974 10 Washer lock 3 4 4 3 9997 66 Washer flat 314 8 4 174188 2 Pin 2 5 538 1062 01 Locknut 3 4 10 4 a Using the crane attach a sling to the lifting eye al...

Страница 35: ...35 Figure 3 4 Fixed Feeds Unit Installation...

Страница 36: ...1 14 9974 68 Washer lock 10 1 15 174907 3 Washer flat 2 Cad Plated 4 16 174926 3 Washer lock 2 Cad Plated 4 17 532 0235 01 Bolt 3 8 16 x 2 5 2 18 9999 157 Nut 3 8 16 2 19 174918 Spacer 2 20 174927 12...

Страница 37: ...equire two people or a crane to lift to the top of the PSR antenna e Attach the bottom fixed rail to the antenna base using 5 8 hardware and spacers as shown in Figure 3 5 The bottom fixed rail has ho...

Страница 38: ...ladder is slid across for the first time j Once the ladder has been moved to the other end of the fixed rail repeat step H k Once the height of the bottom rail has been set tighten but do not torque t...

Страница 39: ...rails top and bottom and remove the ball lock pin Re check the clearance between the top ladder bracket and the top fixed rail repeating steps H thru J as required o The ladder should slide easily al...

Страница 40: ...and 3 8 hardware and spacers b The ladder can be moved horizontally and used only in three positions center left and right along the fixed rails Do not attempt to use the ladder in any other horizont...

Страница 41: ...position Caution Do not attach the snap hook to a ladder rung Only attach the snap hook to the tie off bar Do not climb the ladder higher than the position indicated by the warning labels on the ladd...

Страница 42: ...42 Figure 3 5 Ladder Kit Installation...

Страница 43: ...at 7 8 10 4 9963 770 Bolt 2 13 x 2 5 1 5 9997 28 Washer flat 2 2 6 9974 4 Washer lock 2 1 7 9999 160 Nut Hex 2 13 1 8 174240 1 Bolt Nut Assy 7 8 9x3 5 2 Tilt Scale Bracket Installation Materials 9 175...

Страница 44: ...2 screws lock washers and nuts items 14 16 and 17 and qty 4 flat washers item 15 Flat washers should be used under bolt heads and on opposite surface under the lock washer and nut b Attach the Tilt S...

Страница 45: ...45 Figure 3 6 PSR SSR Interface Mount Installation...

Страница 46: ...Items 1 and 2 shipping beams are supplied with the Shipping and Support Stand 174250 b Remove the fore shipping beam item 2 prior to lifting the antenna Retain hardware and keep with the beam c Ensure...

Страница 47: ...na to guide Trunnions item 10 to the mounting holes in the antenna base k Slowly lower the antenna base to the pedestal with the Trunnions already attached per section 3 3 1 e 1 Bolt the Trunnions to...

Страница 48: ...pedestal remove the aft shipping beam from the antenna base and retain hardware with beam Remove eye nuts and hardware from feed support and retain hardware t Items supplied in the Antenna Lift Kit a...

Страница 49: ...49 Figure 3 7 Antenna Lift Kit Installation...

Страница 50: ...Tilt Indicator Plate and Tilt Pointer attached at Section 3 3 5 p and 3 3 5 q until the reading on the Tilt Indicator Plate matches the angle reading inscribed on the Peak of Beam Alignment plate whic...

Страница 51: ...ad cap screws 1 4 20 x 1 75 lg with flat washers lock washers and nuts Items 19 16 17 and 18 3 3 9 Adjust the Antenna Azimuth Adjust the antenna azimuth as follows Refer to Figure 3 13 a From the rear...

Страница 52: ...2 Retainer 8 16 173761 2 WR 284 Flexible Waveguide 2 17 174293 Threaded rod 2 13x 14 0 1 18 174219 Sealant corrosive inhibitive 1 19 1480 0021 01 Brush 2 CAUTION IN HANDLING ALL WAVEGUIDE COMPONENTS T...

Страница 53: ...m but avoid over tightening to prevent damage to waveguide All supports should be positioned to minimize stress on the waveguide runs d Assemble the WR 284 Flexible Waveguide item 16 from the end of t...

Страница 54: ...54 Figure 3 8 Waveguide Installation...

Страница 55: ...55 Figure 3 9 Waveguide Hanger Installation...

Страница 56: ...Coaxial cable assembly CAX3 1 7 174256 1 Coaxial SSR Cont Cable W004 1 8 174256 2 Coaxial SSR Diff Cable WOOS 1 9 174256 3 Coaxial SSR Sum Cable W006 1 10 173777 8 Cable Tie 40 11 174228 2 Control cab...

Страница 57: ...CA1 item 1 from the 15 pin Low Beam upper polarizer connector to the 6 pin connector labeled CA1 on the Polarizer and Beamswitch Control box e Connect Control Cable CA2 item 11 from the 15 pin High B...

Страница 58: ...gainst dust and dirt adhering to the sticky surface of the sealing tape 3 3 11 2 SSR Coaxial Cables Figure 3 11 The three coaxial cables should be routed together as shown and attached to antenna back...

Страница 59: ...coating of conductive grease to this surface also Grounding Cable for Beamswitch Control Box a Connect grounding cable P N 175707 1 between the grounding lug on the Beamswitch Control Box and the exi...

Страница 60: ...02 08 2016 SDR ASR11 052 TI 6310 59 60 Figure 3 10 Coaxial and Electrical Cable Installation PolarizerandBeamswitchControlBoxInstallationandAC Junction Box Installation...

Страница 61: ...61 Figure 3 11 SSR Coaxial Cable Installation and Tilt Scale Bracket Installation...

Страница 62: ...this Antenna Feed Horn Check may be performed prior to installation of waveguide per Section 3 3 10 a Disconnect the waveguide run at the upper Feedhom transducer being careful not to damage the waveg...

Страница 63: ...nts One person must sight through the telescope to view a measuring scale held at cardinal points by the other person Refer to Figure 3 12 and Table 3 12 for these procedures a Attach telescope mounti...

Страница 64: ...flat washers lock washers and hex head nuts Ensure that counterweights are equally to top and bottom of plate 3 3 14 Installing the Antenna Counterweights Refer to Figure 3 14 and Drawing 174407 packe...

Страница 65: ...65 Figure 3 12 Antenna Feedhorn and Tilt Alignment Contour Cheek...

Страница 66: ...66 Figure 3 13 Antenna Azimuth Alignment...

Страница 67: ...67 Figure 3 14 Counterweight Installation...

Страница 68: ...superseding document for instructions on the subject of radio safety precautions to be observed This equipment employs voltages that are dangerous and may be fatal if contacted by operating personnel...

Страница 69: ...at are not in good condition During assembly be sure O rings and seals are not kinked pinched or damaged by the assembly process Table 4 1 Common Support Equipment unless otherwise indicated DESCRIPTI...

Страница 70: ...796 Qty 4 for Feed Support Attachment Bolt 5 8 11 x 2 5 P N 653 0900 01 Qty 8 for Ladder Rail Attachment 4 2 Preventive Maintenance Maintenance checks must be performed at least once a year Sites tha...

Страница 71: ...ket are present Replace cables if there are signs of separation at connectors Refer to Cable Kit 174210 listed in Table 3 11 for replacement cables g Disconnect all RF and control cable connectors and...

Страница 72: ...radome feed window as described in Section 6 2 m The waveguide flange joints have been encapsulated with polysulfide sealant Inspection of these fasteners should only be required if it is suspected th...

Страница 73: ...s the same as measured in step 4 10 Rotate the cam shaft until the setscrew can be tightened against the flat on the motor shaft 11 Operate the polarizer several times to ensure proper operation Capac...

Страница 74: ...taken out of service therefore coordination must be performed with Air Traffic Services to schedule downtime before this procedure is begun Tools Equipment and Consumables required are as follows Ver...

Страница 75: ...220 Volts AC going to the Polarization and Beamswitch Control Box b Attach a Lockout device to Emergency Safety Switch and then tag out both switches c On the Antenna Platform locate the Antenna Stow...

Страница 76: ...before connecting h Reconnect cables to the bottom of Control Box Connect CA4 first and then weather proof CA5 next and so on till all are connected This will enable you to make sure everything is sec...

Страница 77: ...lick on Latch c Set Standby REX to Maintenance then set Selected REX to Maintenance Both REXs must be in maintenance to access the Test Terminal menu d Bring up the Selected REX popup menu select TEST...

Страница 78: ...na This procedure will replace modify the nylon slides causing this problem ASR 11 Antenna Ladder Modification Kit NSN 6210 01 565 8371 Item Qty Description Vendor Part 1 1 Cold Chisel Grainger 2AJH6...

Страница 79: ...Open antenna s platform access door c On the antenna platform install the antennas stow pin d Remove the lower ladder slider assembly from the ladder as follows a Remove the end cap hardware using wre...

Страница 80: ...nd paper to smooth and round the cut edge Install 3 inch pads at each end of the top surface of the slider assembly using existing holes at the ends j If the slider was removed from the ladder install...

Страница 81: ...02 08 2016 SDR ASR11 052 TI 6310 59 75 This Page Intentionally Left Blank...

Страница 82: ...76 Figure 4 1 Polarizer...

Страница 83: ...77 Figure 4 2 Polarizer Motor Replacement...

Страница 84: ...10 Section 3 3 11 and 4 2e Ladder Kit 174915 Section 3 3 3 Test Antenna Kit 174276 Section 5 1 Hardware Kit 174265 Various Telescope Mounting Kit 174277 Section 3 3 12 Obstruction Lighting Kit 174185...

Страница 85: ...tenna is then mounted on the supports attached to the two center vertical contour plates WARNING PERSONNEL SHOULD NOT BE ON THE ANTENNA LEVEL OF THE TOWER WHEN TRANSMITTER POWER IS BEING RADIATED BY T...

Страница 86: ...to the input of the feed to be tested This can be done by opening the waveguide run at any point and attaching a waveguide to coax adapter to the antenna input The signal generator can then be connect...

Страница 87: ...81 Figure 5 1 Test Antenna Kit...

Страница 88: ...Apply cable ties at approximately 12 inch spaces Ensure that there is enough cable slack to allow cable to move freely when pole is lowered 6 1 4 Assemble the thread reducer item 3 and the cable conne...

Страница 89: ...83 Figure 6 1 Obstruction Lighting Kit...

Страница 90: ...e existing radome feed window that is being replaced 6 2 2 Run a knife edge between the radome and the feedhorn to break the seal created by the RTV sealant then peel off the radome and discard Be ver...

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