Andrew 7.6-Meter ESA Informations techniques

OM76_Rev J Page 0 of 28 7.6m Earth Station Antenna Assembly, Installation, Operations, & Maintenance Manual Document# OM76 – Revision J ASC

OM76_Rev J Page 9 of 28 1.2 A-325 Tensioning Procedure Throughout the installation instructions set forth in this manual, there will be references

OM76_Rev J Page 10 of 28 1.3 Foundation Preparation Before beginning the installation process on the ground mount assembly, ensure that the founda

OM76_Rev J Page 11 of 28 2.0 Mount & Antenna Assembly Procedures These sections provide the basic sequence and tips for the assembly of variou

OM76_Rev J Page 12 of 28 2.2 General Subreflector Alignment Guidelines The primary goal of Subreflector alignment is for the Subreflector to be pr

OM76_Rev J Page 13 of 28 3.0 Operation After completing the assembly of the antenna, the 7.6m ESA is ready to become operational. To operate the 7

OM76_Rev J Page 14 of 28 Step 2 of 9: With the antenna positioned in Azimuth, with the transponder signal maximized, follow the same procedure as i

OM76_Rev J Page 15 of 28 Figure 3-4: Polarization at 45 Degrees from Optimum Setting Step 9 of 9: With all 24 transponder signals of approximatel

OM76_Rev J Page 16 of 28 3.2 Subreflector Adjustment After the satellite has been acquired and testing has taken place with the Spectrum Analyzer,

OM76_Rev J Page 17 of 28 4.0 Preventive Maintenance These sections contain periodic preventative maintenance instructions for the 7.6m Earth Stati

OM76_Rev J Page 18 of 28 CAUTION: Allowing the antenna to continue to operate after damage or discrepancies have been noted during inspection may

OM76_Rev J Page 1 of 28 © 2010-11 ASC Signal Corporation All Rights Reserved. No part of this document may be photocopied, reproduced, stored in a

OM76_Rev J Page 19 of 28  Visually inspect all mechanical parts for freedom of operation with no misalignment, binding, or interference. Check all

OM76_Rev J Page 20 of 28 4.3.3 Lubrication For long life and trouble-free operation be certain not to extend the lubrication schedule beyond the fr

OM76_Rev J Page 21 of 28 Table 4.1: Lubrication Chart Lube Pt. # Components to be Lubricated Frequency (Months) 1 3 6 12

OM76_Rev J Page 22 of 28 Figure 4-1: High-Speed Antenna Lubrication Points

OM76_Rev J Page 23 of 28 Figure 4-2: Medium-Speed Antenna Lubrication Points

OM76_Rev J Page 24 of 28 4.4 Site Acceptance Test Procedure Once the installation procedure has been completed, and prior to turning over the sys

OM76_Rev J Page 25 of 28 For antenna surfaces, such as the front or back of the main reflector or subreflector, high-reflectivity white paint shoul

OM76_Rev J Page 26 of 28 7. While holding the Adjusting Cap (item a) stationary, tighten the Locknut (item b). 8. Operate the Jack through the en

OM76_Rev J Page 27 of 28 APPENDIX: Equipment Issues & Technical Support REPORTING EQUIPMENT LOSS OR DAMAGE If you find equipment was damaged d

OM76_Rev J Page 2 of 28 Table of Contents INTRODUCTION: How to Use This Manual 4 I.I Purpose & Overview 4 I.II Description 4 I.III M

OM76_Rev J Page 3 of 28 Figure 4-1: High-Speed Antenna Lubrication Points 22 Figure 4-2: Medium-Speed Antenna Lubrication Points 23 Figure 5-1:

OM76_Rev J Page 4 of 28 INTRODUCTION: How to Use This Manual I.I Purpose & Overview PURPOSE The scope of this manual is intended to provide s

OM76_Rev J Page 5 of 28 I.III Miscellaneous Notices Proprietary Information The technical data contained herein is proprietary to ASC Signal Corpo

OM76_Rev J Page 6 of 28 The following safety symbols and terms may be used in this manual: Les symbols et les termes suivants de sûreté peuvant êtr

OM76_Rev J Page 7 of 28 I.VII Things to Never Do  NEVER touch circuits or reach into an enclosure until the disconnection of power and absence o

OM76_Rev J Page 8 of 28 1.0 Recommended Tools & Foundation Preparation The following sections will offer you with information related to prepa