Andrew 174100 User 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

Andrew 174100 Specifications

General

Brand	Andrew
Model	174100
Category	Antenna
Language	English

Summary

SAFETY SUMMARY

NOTICE:

Requirements for qualified and experienced personnel.

KEEP AWAY FROM LIVE CIRCUITS:

Warnings and precautions for working with live circuits.

FIRST AID

In case of electrical shock:

Procedures to follow in case of electrical shock.

1.6 THEORY OF OPERATION

1.6.3.6 Reflector Mounting and Tilt Adjustment

1.6.4 Dual Feed Assembly

SECTION 3 INSTALLATION PROCEDURES

3.3.1 Installing the Base Interface Kit

Detailed instructions for installing the base interface kit.

3.3.2 Installing the Fixed Feeds Unit

Procedure for mounting the fixed feeds unit to the reflector base.

3.3.3 Installing the Ladder Kit

Instructions for installing the ladder kit to the reflector.

3.3.3.1 Access Ladder General Climbing Procedure

Technique for positioning and climbing the access ladder.

3.3.4 Installing the PSR/SSR Interface Mount

Procedure for attaching the PSR/SSR interface mount.

3.3.4.1 Installing the SSR Tilt Scale Bracket

Instructions for installing the SSR tilt scale bracket.

3.3.5 Lifting the Assembly

Procedure for lifting the antenna assembly using the lift kit.

3.3.6 Leveling the Antenna Assembly

Steps to level the antenna assembly using a machinist's level.

3.3.7 Installing the Polarization and Beamswitch Control Box

Procedure for installing the control box.

3.3.8 Installing the AC Junction Box

Procedure for installing the AC junction box.

3.3.9 Adjust the Antenna Azimuth

Steps to adjust the antenna azimuth.

3.3.10 Installing the Waveguide Runs

Connecting waveguide runs from feed to rotary joint.

3.3.11 Installing Coaxial and Electrical Cables

Procedures for installing coaxial and electrical cables.

3.3.11.1 PSR Coaxial and Electrical Cable

Specific connections for PSR coaxial and electrical cables.

3.3.11.2 SSR Coaxial Cables

Routing and connecting SSR coaxial cables.

3.3.11.3 Grounding Cable

33.12 Performing Final Readiness Checks

3.3.12.1 Antenna Feedhorn Alignment Check

3.3.12.2 Contour Damage Check

3.3.13 Installing the Feed Counterweights

3.3.14 Installing the Antenna Counterweights

3.2 Standard Torque Values for Assembly

Torque Specifications

Provides torque values for various bolt sizes and grades.

3.3 Summary of Installation Sequence

Installation Steps

Outlines the sequential steps for antenna installation.

SECTION 4 MAINTENANCE

4.1 GENERAL PROCEDURES

4.1.1 Maintenance Precautions

Safety warnings and precautions before performing maintenance.

SAFETY FIRST

Crucial safety warning regarding high voltage.

4.1.2 Standard Maintenance Procedures

4.2 Preventive Maintenance

4.3 DISASSEMBLY PROCEDURES

4.3.1 Disassembly of the Dual Feed Assembly

4.3.2 Polarization and Beamswitch Control Box Removal and Replacement Procedure

Replacing the Polarization and Beamswitch Control Box

Returning the ASR-11 Radar to Service

Operational Check After Install

Stopping Antenna Rotation

Removing and Replacing the ASR-11 Antenna Ladder Slides