1. Manuals
  2. Brands
  3. Andrew Manuals
  4. Antenna
  5. 174100
  6. Installation and maintenance manual

Andrew 174100 Installation And Maintenance Manual

Asr 11 s-band antenna
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
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

Advertisement

Table of Contents
loading

Related Manuals for Andrew 174100

Summary of Contents for Andrew 174100

  • Page 1 INSTALLATION AND MAINTENANCE MANUAL 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 LIST OF EFFECTIVE PAGES Dates of original issue and revisions are: Original ... A... 26 January 1997 Revision ..B ..19 February 1998 Revision ..C ... 9 March 1998 Revision ..D... 28 May 1998 Revision ..F ... 19 JUNE 1998 Revision ..
  • Page 3 BEEN WRITTEN AND ILLUSTRATED FOR SUCH INSTALLATION PERSONNEL. THIS SYSTEM SHOULD BE INSPECTED ONCE A YEAR BY QUALIFIED PERSONNEL TO VERIFY PROPER INSTALLATION, MAINTENANCE AND CONDITION OF EQUIPMENT. ANDREW DISCLAIMS ANY LIABILITY OR RESPONSIBILITY FOR THE RESULTS OF IMPROPER OR UNSAFE INSTALLATION OR MAINTENANCE PRACTICES.
  • Page 4 FIRST AID In case of electrical shock:  Do not try to pull or grab the individual.  If possible, turn off the electrical power.  If you cannot turn off the electrical power, pull, push, or lift the person to safety using a dry wooden pole, a dry rope, or some other insulating material.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Paragraph Title Page General Description and Theory of Operation..............9 Scope ..........................9 Purpose of Equipment ..................... 9 Equipment Supplied ......................9 Physical Description ...................... 9 1.4.1 Antenna ........................... 9 Functional Description ....................10 1.5.1 Antenna Unit ......................... 10 1.5.1.1 Reflector ........................
  • Page 6 Equipment Receipt, Unpacking and Lifting..............21 Receipt ......................... 21 Unpacking ........................21 Lifting .......................... 24 Installation Procedures ....................25 Introduction ........................25 3.1.1 Overview ........................25 3.1.2 Recommended System Assembly Tool List ..............27 Standard Torque Values for Assembly ................ 29 Summary of Installation Sequence ................
  • Page 7 02/08/2016 SDR-ASR11-052 TI 6310.59 Preventive Maintenance ....................70 Disassembly Procedures ....................72 4.3.1 Disassembly of the Dual Feed Assembly ..............72 4.3.2 Polarization and Beamswitch Control Box (174170) Removal and Replacement Procedure ................74 4.3.3 Removal and Replacement of Antenna Ladder Slides ..........74d Other Equipment ......................
  • Page 8 02/08/2016 SDR-ASR11-052 TI 6310.59 LIST OF ILLUSTRATIONS Figure Title Page Typical Antenna Pattern, Azimuth ..................17 Typical Antenna Pattern, Elevation ..................18 Polarizer Schematic ......................... 19 Antenna Schematic Diagram ....................20 Complete Antenna Installation ....................22 Shipping and Support Stand ....................23 Base Interface-PSR Base Assembly ..................

  • Page 9: General Description And Theory Of Operation

    SECTION 1 GENERAL DESCRIPTION and THEORY OF OPERATION SCOPE This instruction book contains theory of operation and information for the installation, operation and maintenance of the Primary Surveillance Radar S-Band Antenna (ASR 11). PURPOSE OF EQUIPMENT The S-Band reflector type antenna, called the Primary Surveillance Radar (PSR) Antenna is used in transmitting and receiving RF energy for Air Traffic control and for supporting a Large Vertical Aperture (LVA) Secondary Surveillance Radar (SSR) Antenna.

  • Page 10: Functional Description

    FUNCTIONAL DESCRIPTION The antenna radiates a beam 1.5 degrees in azimuth and shaped in elevation to produce coverage up to approximately 32 degrees above the horizon to provide a map-type presentation of aircraft within 55 nautical miles of the airport terminal. Major assemblies of the antenna are described in the following paragraphs.

  • Page 11: Theory Of Operation

    THEORY OF OPERATION The theory of operation for the antenna contains theory of operation for microwave and electronic circuits and provides detailed circuit descriptions explaining circuit arrangements in the order of operational or signal sequence. Functional operation of mechanical assemblies is provided as needed and as related to electronic circuits and system operation.

  • Page 12: Azimuth Antenna Pattern

    1.6.3.2 Azimuth Antenna Pattern - (See Figure 1-1 for Typical Azimuth Pattern.) In the principal azimuth plane the antenna has a minimum azimuth beamwidth of 1.35 degrees at the -3 dB power point and a maximum beamwidth at the -20 dB power point of 4 degrees; sidelobe level is -24 dB for the Lowbeam and -22 dB for the Highbeam.

  • Page 13: Reflector Mounting And Tilt Adjustment

    Feed positioning is established during pattern testing by Andrew. After positioning, locating pins are installed to permit proper realignment if field disassembly/reassembly of the feed assembly is required. The dual feed assembly is attached to the feed support arm of the reflector support by three large diameter threaded rods.

  • Page 14: Transmitting Circularly Polarized Signals

    1.6.43 Transmitting Circularly Polarized Signals A linear vertically polarized signal enters the transducer vertical port. The signal then passes through an impedance matching section in the transducer and enters the phase shift section. The phase shifter is rotated approximately 45 degrees about the longitudinal axis of the waveguide run. At this point the signal can be considered to consist of two orthogonally polarized signals, each polarized parallel to the walls of the square waveguide.

  • Page 15: Transmitting And Receiving Linearly Polarized Signals

    1.6.4.5 Transmitting and Receiving Linearly Polarized Signals To produce linear polarization, signals from the transmitter enter the dual-mode transducer vertical port and the phase-shift section. In this case, however, the dielectric vanes are positioned approximately 0.2 inches from the waveguide wall. Both orthogonal signal components receive exactly the same phase shift.
  • Page 16 1.6.4.7.1 A bearing pressed into the moving mounting plate travels up and down on a guide shaft pressed into the waveguide housing. This ensures that the vanes do not tilt in the waveguide. A guide cantilevered from the mounting plate rides on a post located under the motor to keep the moving plate and vanes from rotating about the guide shaft, ensuring that the vanes are properly oriented in the waveguide.
  • Page 17 Figure 1-1 Typical Pattern, Azimuth...
  • Page 18 Figure 1-2 Typical Pattern, Elevation...
  • Page 19 Figure 1-3 Polarizer Schematic...
  • Page 20 02/08/2016 SDR-ASR11-052 TI 6310.59...

  • Page 21: Equipment Receipt, Unpacking And Lifting

    Weights of major items are listed in Table 2-1. Items included with the Shipping and Support Stand Kit (174250 - Table 3-2, Figure 3-2) and the Antenna Lift Kit (174245 - Table 3-9, Figure 3-7) are to be returned to Andrew Canada for re-use.
  • Page 22 Figure 3-1 Complete Antenna Installation...
  • Page 23 Figure 3-2 Shipping and Support Stand...

  • Page 24: Lifting

    Base Interface Kit (174198 - See Table 3-5 and Figure 3-3) and the PSR/SSR Interface Mount (174050 - Figure 3-6) supplied by Andrew, as well as the SSR Antenna (supplied by others) are installed to the Reflector Assembly prior to lifting the Antenna. The total weight of these components is 5250 lbs.

  • Page 25: Installation Procedures

    SECTION 3 3. INSTALLATION PROCEDURES 3.1. INTRODUCTION This section contains both installation instructions and initial adjustment/alignment procedures for the ASR 11 S-band Antenna System. The instructions and procedures are for a typical system configuration and should not vary from site to site. It is assumed that the following conditions have been met: ...
  • Page 26 PSR/SSR Interface Mount (174050) - Refer to Figure 3-6. The PSR/SSR interface mount is an aluminum welded assembly used to interface the Cossor type El/F80748/00X LVA antenna to the PSR antenna. The frame attaches to the top surface of the PSR and provides attachment points for the trunnion blocks and elevation adjustment devices provided with the LVA.

  • Page 27: Recommended System Assembly Tool List

    Table 3-2 Shipping and Support Stand Kit (174250) Item Part Number Description Qty. 174244-1 Shipping Beam, AFT 174244-2 Shipping Beam, FORE 75841 Bolt & Nut Assembly, (3/4 x 2.5) 9974-10 Washer, lock (3/4) 9997-66 Washer, flat (3/4) 3.1.2 List of Tools Required for Assembling and Lifting the Antenna Table 3-3 Installation Equipment DESCRIPTION...
  • Page 28 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) Combination Wrench 2-1/4" Crowfoot Wrench 2-1/4", 2" square drive Antenna Support Stand and Lifting Kit Andrew P/N 174275...

  • Page 29: Standard Torque Values For Assembly

    Standard Torque Values for Assembly Unless otherwise specified elsewhere in this manual, tighten all hardware for the torque values shown in Table 3-4. Table 3-4 Standard Torque Values for Assembly SIZE SAE GRADE 2 A325 or GRADE 5 STEEL STAINLESS STEEL 1/4-20 UNC 5.5 ft-lb 8.0 ft-lb...

  • Page 30: Summary Of Installation Sequence

    Summary of Installation Sequence Antenna assemblies and components should be installed in the following sequence, using procedures detailed in the paragraphs that follow. Install Base Interface Kit to the pedestal. Install Fixed Feeds Unit to the reflector base. Install the Ladder Kit to the rear of the reflector. Install PSR/SSR Interface Mount to top of the reflector Install the SSR LVA to the PSR/SSR Interface Mount (see the LVA installation manual).

  • Page 31: Installing The Base Interface Kit

    3.3.1 Installing the Base Interface Kit (174198) to the Reflector base and to the pedestal. Refer to Figure 3-3, and Table 3-5. Refer to Figure 3-3 and Table 3-5 for pictorial and item identification. All threads, shafts, sleeves, and pins installed as described below should be coated with Anti Seize Compound (item 32) prior to installation.
  • Page 32 Table 3-5 Base Interface Kit Materials (174198) Item Part Number Description Qty. 174224 Elevation Adjustment Screw 174192-1 Shaft, Pivot, Elevation Adj. 174101 Sleeve, Pivot Shaft 174196 Wrench 174195 Nut, Elev. Adj. Screw 174188-1 174204 Nut, Hex 174203 Washer, lock 174200 Washer, flat 174104 Trunnion...
  • Page 33 Figure 3-3 Base Interface Kit -PSR Base Assembly...

  • Page 34: Installing The Fixed Feeds Unit To The Reflector Base

    The Fixed Feeds Unit consists of the dual feed assemblies mounted to the feed support. The unit has been preassembled and optimized at Andrew=s test range. All feed components, brackets, mounting plates and threaded rods have been match drilled and pinned together to prevent any disturbance of the feed settings.
  • Page 35 Figure 3-4 Fixed Feeds Unit Installation...

  • Page 36: Installing The Ladder Kit

    13.3 Installing the Ladder kit to the rear of the reflector. - Refer to Figure 3-5 and Table 3-7. Table 3-7 Ladder Kit Installation Materials (174915) Item Part Number Description Qty. 174925 Ladder, modified 174937 Standoff 174954 Fixed Rail, Top 174938 Fixed Rail, Bottom 174929...
  • Page 37 An access ladder is provided to be attached to the back of the PSR antenna permitting access to the top of the PSR antenna for access to the PSR and LVA lifting locations and the LVA mounting bolts, tilt mechanism and coaxial cables. The ladder can be installed to the PSR antenna after the antenna has been installed to the pedestal.
  • Page 38 Caution: The access ladder weighs 95 lbs and requires one person on a step ladder and two people on the ground to lift the ladder onto the fixed rails. It is recommended that this procedure be done with a crane if available. With the ladder at one end of the fixed rails, adjust the height of the bottom fixed rail so that there is an equal space between the top and bottom surface of the top fixed rail and the inside of the top ladder bracket.
  • Page 39 Note: Before adjusting the horizontal position of the bottom rail, mark the vertical position of the rail on the antenna base and ensure that it is not changed while adjusting the horizontal position. Loosen the four 5/8" bolts between the bottom rail and the antenna base and slide the rail horizontally until the two 2"...

  • Page 40: Access Ladder General Climbing Procedure

    3.3.3.1 Access Ladder General Climbing Procedure (refer to Figure 3-15 and drawing 174195) The following procedure describes the general technique for positioning and climbing the access ladder. The specific installation and maintenance procedures required to be performed using the access ladder are described in the Raytheon Maintenance Manual WARNING THE PROCEDURES OUTLINED IN THIS MANUAL AND RAYTHEON MANUAL XXX MUST BE FOLLOWED WHEN USING THE ACCESS LADDER.
  • Page 41 Caution: The ladder extension must be fully retracted before sliding the ladder along the rails. Failure to do so may result in damage to the L VA backfill radiator. When using the ladder, first move the ladder to the desired horizontal position per step C, then raise the extension section to the desired height per step D.
  • Page 42 Figure 3-5 Ladder Kit Installation...

  • Page 43: Installing The Psr/Ssr Interface Mount

    3.3.4 Installing the PSR/SSR Interface Mount (174050) to the top of the reflector. Refer to Figure 3-6 and Table 3-8. The SSR Mount is provided with 7/8" slotted mounting holes in the base to allow for an azimuth adjustment of +1-1 degree. Along with the slotted holes there is a central azimuth pivot hole in the base.

  • Page 44: Installing The Ssr Tilt Scale Bracket

    3.3.4.1 Installing the SSR Tilt Scale Bracket - Refer to Figure 3-11 and Table 3-8. A Tilt Scale Bracket and mounting hardware is included with Hardware Kit 174265 to interface between the PSR antenna and the Tilt Scale and Pointer that are included with the Cossor SSR antenna.
  • Page 45 Figure 3-6 PSR/SSR Interface Mount Installation...

  • Page 46: Lifting The Assembly

    3.3.5 Lifting the Assembly - Refer to Figures 3-3, 3-7 and Tables 3-5 and 3-9. CAUTION DO NOT ATTEMPT A COMPLETE ANTENNA LIFT IF WIND SPEED EXCEEDS 10 MPH. Table 3-9 Antenna Lift Kit Installation Materials (174245) Item Part Number Description Qty.
  • Page 47 Lift antenna until slings are taut but not raising the antenna. Adjust the turnbuckles to tighten the safety lines (no slack). WARNING: Failure to properly install safety lines may cause severe injury to personnel or equipment. Proceed with antenna lift. Tag lines (not supplied) should be attached and used by at least 2 people on the ground to control the antenna during lifting.
  • Page 48 Remove eye nuts and hardware from feed support and retain hardware. Items supplied in the Antenna Lift Kit are to be returned to Andrew Canada Inc. in original shipping crate. The equipment components of major size and/or weight have now been lifted onto the tower. The...
  • Page 49 Figure 3-7 Antenna Lift Kit Installation.

  • Page 50: Leveling The Antenna Assembly

    02/08/2016 SDR-ASR11-052 TI 6310.59 3.3.6 Leveling the Antenna Assembly - Refer to Figures 3-3. Using a Starett #98-12 Machinist’s Level or equivalent on the Datum Level Surface, loosen setscrews with 1/8” Allen wrench, then adjust the Elevation Adjustment Screws until surface is exactly horizontal.

  • Page 51: Installing The Polarization And Beamswitch Control Box

    3.3.7 Installing the Polarization and Beamswitch Control Box - Refer to Figure 3-10. The Polarization and Beamswitch Control Box (174170) is shipped complete with mounting plate and hardware attached. Simply install in orientation shown on the feed support of the Fixed feeds Unit.
  • Page 52 Table 3-10 Rotary Joint-to-Dual Feed Waveguide Installation Materials (174247) Item Part Number Description Qty. 174183 WR.284 Waveguide Bend 174184 WR.284 Waveguide Bend 174416-1 CPR flange hardware kit 174443 Choke flange hardware kit 174416-2 CPR flange hardware kit, metric 878168-1 Bracket 9963-103 Bolt (2-13) 9999-61...
  • Page 53 Install all hardware and tighten to 8 Foot Pounds. Repeat procedure for all screws on all flange connections. After all electronic tests have been performed, wipe clean with isopropanol (not supplied), allow to dry and apply sealer, using brush (item 19) supplied, to entire periphery of waveguide flanges.

  • Page 54: Waveguide Installation

    Figure 3-8 Waveguide Installation...

  • Page 55: Waveguide Hanger Installation

    Figure 3-9 Waveguide Hanger Installation...

  • Page 56: Installing The Coaxial And Electrical Cables

    3.3.11 Installing Coaxial and Electrical Cables - Refer to Figures 3-10 and 3-11 and Table 3-11. Table 3-11 Coaxial and Electrical Cable Installation Materials Item Part Number Description Qty. (From 174210 Cable Kit) 174228-1 Control cable assembly - CA1 174229 Control cable assembly - CA5 174230 Control cable assembly - CA4...

  • Page 57: Psr Coaxial And Electrical Cables

    3.3.11.1 PSR Coaxial and Electrical Cable - Figure 3-10. All connectors have identification labels which correspond to the respective cable assembly. Use the hangers provided to secure the cables to the feed support structure. In addition to the hangers, use Cable Ties (item 10) as required to tie off cable assemblies.

  • Page 58: Ssr Coaxial Cables

    02/08/2016 SDR-ASR11-052 TI 6310.59 Ensure that the connector and cable is completely dry and clean before applying weatherproofing tape. Wrap the connector with 3/4" wide vinyl electrical tape starting at the connector joint, finishing with one full wrap of tape on the cable jacket. This layer of tape aids in removal of the fully weatherproofed tape joint for maintenance inspection.

  • Page 59: Grounding Cable

    02/08/2016 SDR-ASR11-052 TI 6310.59 Locate the 9/16" dia. hole in the middle frame support of the reflector base. The paint has been masked in a 1.5" dia. circle around this hole. The remaining galvanized surface ensures low contact resistance for proper grounding.
  • Page 60 02/08/2016 SDR-ASR11-052 TI 6310.59 Figure 3-10 Coaxial and Electrical Cable Installation Polarizer and Beamswitch Control Box Installation and AC Junction Box Installation...

  • Page 61: Ssr Coaxial Cable And Tilt Scale Bracket Installation

    Figure 3-11 SSR Coaxial Cable Installation and Tilt Scale Bracket Installation...

  • Page 62: Performing Final Readiness Check

    33.12 Performing Final Readiness Checks - Refer to Figures 3-12 and 3-13 and Table 3-12. The following procedures should be performed prior to installing either feed counterweights or antenna counterweights per Sections 3.3.13 and 3.3.14 and should also be accomplished before antenna operation.

  • Page 63: Contour Damage Check

    If telescope cross lines fall within the scribed circle on the center disk, loosen the thumbscrew and check left sight disk and right sight disk, using steps d. and e., for fine adjustment of the telescope position. If three disks line up, the Feedhorn is correctly aligned, but if cross lines do not line up confirm data before contacting the supplier.

  • Page 64: Installing The Feed Counterweights To The Fixed Feeds Unit

    At each cardinal point, tilt the rule in the vertical and horizontal planes until the minimum distance is found between the hole and the optical plane. Verify that each dimension is within 1/4 inch of that given in the contour chart supplied with the system data (172945). Maximum variation error from one station to another should be no greater than 1/4 inch.
  • Page 65 Figure 3-12 Antenna Feedhorn and Tilt Alignment Contour Cheek...

  • Page 66: Antenna Azimuth Alignment

    Figure 3-13 Antenna Azimuth Alignment...

  • Page 67: Counterweight Installation

    Figure 3-14 Counterweight Installation...

  • Page 68: Maintenance

    SECTION 4 MAINTENANCE GENERAL PROCEDURES 4.1.1 Maintenance Precautions WARNING WHENEVER MAINTENANCE IS TO BE DONE ON THE ANTENNA ENSURE THAT ALL POWER TO THE ANTENNA HAS BEEN TURNED OFF AND THE ANTENNA IS SHUT DOWN. PUT THE SAFETY SWITCH IN THE SAFE POSITION AND INSERT THE PEDESTAL STOW PIN PER THE INSTRUCTIONS PROVIDED IN THE PEDESTAL MAINTENANCE PROCEDURE.

  • Page 69: Standard Maintenance Procedures

    SAFETY FIRST 220 VAC, THREE-PHASE POWER IS USED IN THE OPERATION OF THIS EQUIPMENT. DEATH ON CONTACT MAY RESULT IF PERSONNEL FAIL TO OBSERVE SAFETY PRECAUTIONS. 4.1.2 Standard Maintenance Procedures Disassemble only to the extent required to make the repairs. All fasteners should be tightened using a calibrated torque wrench.
  • Page 70 Screw Driver Set Phillips lsopropanol (or equivalent for cleaner/de-greaser) I liter (consumable) Combination Wrench 2-1/4" Crowfoot Wrench 2-1/4", 2" square drive Sandpaper Fine grit (consumable) Grease P/N 02061-1 Aeroshell #7 (consumable) Wire Brush Small Silicone Grease P/N 12225 Small (consumable) Rust Inhibitor P/N 78360X Consumable Connector Weather Proofing Kit...
  • Page 71 Apply one coat of epoxy primer (Andrew P/N 174175-1) and two coats of enamel paint (Andrew P/N 174175-2 orange) from Touch-up Paint Kit (174499). Allow each layer to dry before applying successive coatings.
  • Page 72 Visually inspect all welds in aluminum tubes of reflector back structure for any evidence of cracking. If cracks are found, do not resume operation of the antenna. Contact the manufacturer immediately. The light bulbs , P/N 878-0221-12, included with the Obstruction Light Kit (174185) are rated for a life span of 7500 hours.
  • Page 73 To remove the polarizer motor, polarizer vane settings must first be measured when the polarizer is in the circular polarized state. To do this, loosen the setscrew on the motor side of the cam shaft coupling while holding the vane plate (Figure 4-2) in place. Press the vane plate down and rotate the cam shaft so the highest part of the cam holds the vane plate in the circular polarized position.
  • Page 74 06/28/2011 SDR-ASR11-031 TI 6310.59 removing, note the orientation of each diode as indicated by a band encircling the diode nearest one end. Cut four lengths of insulation sleeving just long enough to cover the wire leads at both ends of each diode then crimp new terminal rings to the diodes in the same orientation as the ones which were removed.

  • Page 75: Polarization And Beamswitch Control Box Location On Antenna

    02/08/2016 SDR-ASR11-052 TI 6310.59 Replacing the Polarization and Beamswitch Control Box WARNING 220 Volts AC is present at the Weather Beam Switch Box Inside the pedestal room set the Emergency Safety Switch to the ‘Off’ position. Attach a Lockout/ Tagout device to Emergency Safety Switch. Set the polarizer switch of the PLCP (Pedestal Local Control Panel) to the 0 or off position.

  • Page 76: Polarization And Beamswitch Control Box Close Up

    02/08/2016 SDR-ASR11-052 TI 6310.59 Figure 4b. Polarization and Beamswitch Control Box Close Up Remove the old Polarization and Beamswitch Control Box by removing the four corner nuts attached to the boom using ½ inch box-end and open-end wrench. Pull the Control Box including the mounting plate away from the boom.
  • Page 77 02/08/2016 SDR-ASR11-052 TI 6310.59 Returning the ASR-11 Radar to Service On Selected SCDI. Open the APG Detailed Status and Control screen. Set Antenna Rotation to Start. All power supplies and amplifiers should now come on. Set Selected MSSR A to on line selected. Set Standby MSSR B to on line standby.
  • Page 78 02/08/2016 SDR-ASR11-052 TI 6310.59 Set Wx Beam Override Enable to False. Select Change. Select Close. Set Selected REX to on line, then set Standby REX to on line. Check the polarizer by clicking on the APG icon and selecting Detailed Status and Control. Switch Polarizer to Manual control then select Circular.
  • Page 79 02/08/2016 SDR-ASR11-052 TI 6310.59 Stopping Antenna Rotation If monitor only, take control with SCDI A or SCDI B. Set REX/SDP A to maintenance standby. Idle REX/SDP A channel Set REX/SDP B to maintenance selected. Idle REX/SDP B channel Select MSSR B to maintenance standby. Select MSSR A to maintenance selected.
  • Page 80 02/08/2016 SDR-ASR11-052 TI 6310.59 Install four new .08-inch nylon pads from kit on to the front surface in the same four locations using 5/32- inch diameter counter sunk rivets from kit and the rivet tool . Remove and discard the four nylon pads from the back upper and back lower surfaces of the slider assembly.
  • Page 81 02/08/2016 SDR-ASR11-052 TI 6310.59 This Page Intentionally Left Blank...
  • Page 82 Figure 4-1 Polarizer...

  • Page 83: Polarizer Motor Replacement

    Figure 4-2 Polarizer Motor Replacement...

  • Page 84: Test Antenna Kit

    Table 4-2 Line Replaceable Units (LRU) and Preventative and Corrective Maintenance Kits DESCRIPTION PART NUMBER REFERENCE FOR REPLACEMENT Waveguide Kit 174247 Section 3.3.10 Control Box Assy. 174170 Section 3.3.7 174235 Section 3.3.8 Power Cables and Junction Box Assy. Base Interface Kit 174198 Section 3.3.1 Cable Kit...
  • Page 85 SECTION 5 OTHER EQUIPMENT 5.1 Test Antenna Kit - (Refer to figure 5-1 and Table 5-1) Table 5-1 Test Antenna Kit (174276) Item Part Number Description Qty. 822062-1 Test Antenna 9848-17 Screw, PH, 1/4-20 x .871g, 9997-42 Washer, flat (1/4) 9974-15 Washer, lock (1/4) 5.1.1...
  • Page 86 From the supplied Antenna Acceptance Data sheet, obtain the loss value between the dual feed assembly and the test antenna output. The test antenna is calibrated at 2700, 2800 and 2900 MHZ. For operating frequencies other than these, interpolation is required. Add the loss value (step g.) to the measured value (step f.) to obtain the average power output of the radar system.
  • Page 87 Figure 5-1 Test Antenna Kit...
  • Page 88 SECTION 6 OPTIONAL EQUIPMENT Obstruction Lighting Kit - Refer to Figure 6-1 and Table 6-1, Table 6-1 Obstruction Lighting Kit (174185) Item Part Number Description Qty. 174177 Pole/Light Assembly 173777-5 Cable Connector 173777-7 Reducer, 1-1/4 - 2 1674-0009-02 Tech 90 Cable 30 ft.

  • Page 89: Obstruction Lighting Kit

    Figure 6-1 Obstruction Lighting Kit...
  • Page 90 Radome Kit - Refer to Figure 3-8 and Table 6-2, Table 6-2 Radome Kit (174508) Item Part Number Description Qty. 787323-1 Radome MS51957-4 Screw, PH, 2-56 x 51161g. 9974-89 Washer, lock (#2) 9997-102 Washer, flat (#2) 10866-107 RTV 162 Sealant 3 oz.

Table of Contents