Andrew 174100 Installation And Maintenance Manual Download Page 5

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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

Summary of Contents for 174100

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

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

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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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