ViaSat 8016 Owner's manual

Model 8016
11-Meter Earth Station
Antenna Installation
Installation and Operation Guide
Manual Part No. 42S132E
August 2004

Notice
All Rights Reserved

Model 8016 11-Meter Earth Statio Installation and Operation Guide
n Antenna Installation

Table of Contents
Table of Contents
Table of Contents .................................................................................................. iii
List of Figures ........................................................................................................ vi
List of Tables ......................................................................................................... vii
Safety Summary ..................................................................................................viii
1 General Information...................................................................................... 1-1
1.1 Introduction.............................................................................................................1-1
1.2 Mount Description .................................................................................................1-1
1.3 Reflector Description..............................................................................................1-4
2 Installation Procedures.................................................................................. 2-1
2.1 General.....................................................................................................................2-1
2.2 What to do About Visible Loss or Damage ........................................................2-1
2.3 What to do About Concealed Damage................................................................2-1
2.4 How to Inventory Equipment Received .............................................................2-2
2.5 How to Return Equipment....................................................................................2-2
2.6 General Mechanical Safety Summary..................................................................2-3
2.6.1 Emergency Plan ......................................................................................................2-4
2.7 General Electrical Safety Summary......................................................................2-4
2.7.1 Resuscitation ...........................................................................................................2-4
2.8 Recommended Tools and Equipment .................................................................2-4
2.9 Fastener Information..............................................................................................2-6
2.10 Recommended Installation Sequence..................................................................2-7
2.11 Site Preparation.......................................................................................................2-8
2.12 Assembly of Reflector, Spars, and Subreflector .................................................2-9
2.12.1 Installation of Trusses and Intercostals.............................................................2-10
2.12.2 Installation of the Spars and Subreflector.........................................................2-12
2.12.3 Truss Alignment ...................................................................................................2-13
2.12.4 Installation of Reflector Panels ...........................................................................2-14
2.12.5 Reflector Alignment .............................................................................................2-34
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2.12.6 Subreflector Alignment .......................................................................................2-37
2.13 Mount Installation................................................................................................2-39
2.13.1 Elevation Actuator Installation...........................................................................2-39
2.13.2 Erection of Antenna Mount ................................................................................2-39
2.13.3 Installation of Azimuth Actuator – Model 8133, 120° Travel.........................2-41
2.13.4 Installation of Azimuth Actuator - Model 8133, 180° Travel .........................2-42
2.14 Grouting Baseplate to Foundation.....................................................................2-79
2.14.1 Hot Weather Grouting.........................................................................................2-80
2.14.2 Cold Weather Grouting .......................................................................................2-80
2.14.3 Grouting Procedures............................................................................................2-81
2.15 Assembly and Installation of Mount Platform.................................................2-82
2.16 Reflector Installation ............................................................................................2-83
2.17 Typical Feed Installation .....................................................................................2-85
2.17.1 Installation of Subreflector to Subreflector Mounting Frame .......................2-86
2.18 Installation of Reflector Hub Cover...................................................................2-91
2.19 Installation of Feed Waveguide..........................................................................2-91
2.20 Electrical Installation............................................................................................2-91
2.21 Corrosion Protection After Installation.............................................................2-92
3 Operation......................................................................................................... 3-1
3.1 General.....................................................................................................................3-1
3.2 Satellite Pointing Procedure..................................................................................3-1
3.2.1 Elevation Pointing ..................................................................................................3-1
3.2.2 Azimuth Pointing...................................................................................................3-1
3.2.3 Signal Peaking Procedure......................................................................................3-2
3.3 Subreflector Adjustment........................................................................................3-3
4 Maintenance.................................................................................................... 4-1
4.1 General.....................................................................................................................4-1
4.2 Periodic Maintenance ............................................................................................4-1
4.2.1 Weekly Maintenance..............................................................................................4-1
4.2.2 Monthly Maintenance............................................................................................4-1
4.2.3 Bi-Monthly Maintenance.......................................................................................4-2
4.2.4 Quarterly Maintenance..........................................................................................4-2
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4.2.5 Yearly Maintenance................................................................................................4-3
4.3 Corrosion Protection ..............................................................................................4-4
4.3.1 Touch-up Painting of Non-Reflective Surfaces ..................................................4-4
4.3.2 Touch-Up Painting of Reflective Surfaces ..........................................................4-5
4.3.3 Fasteners ..................................................................................................................4-6
5 Options............................................................................................................. 5-1
5.1 General.....................................................................................................................5-1
5.1.1 De-Icing Options.....................................................................................................5-1
5.1.2 Lightning Protection Option.................................................................................5-1
5.2 Feed Options ...........................................................................................................5-2
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Table of Contents
List of Figures
Figure 1-1. Typical Antenna System....................................................................................................1-2
Figure 2-1. 11-Meter Reflector Assembly, 516469B .........................................................................2-17
Figure 2-2. 11-Meter Ku-band Reflector, Subreflector, and Spar
Installation, 723959-5001x01 ........................................................................................................2-22
Figure 2-3. 11-Meter Motorized Hub Assembly, 514326G.............................................................2-28
Figure 2-4. 11-Meter Reflector and Subreflector Alignment ..........................................................2-38
Figure 2-5. Model 8020-120 Mount Installation Assembly, 517098C............................................2-44
Figure 2-6. Model 8020-180 Mount Installation Assembly, 517097C............................................2-50
Figure 2-7. Model 8020-120 Mount Structure Assembly, 477697D ...............................................2-56
Figure 2-8. Model 8020-180 Mount Structure Assembly, 476309D ...............................................2-59
Figure 2-9. Model 8132-1 Elevation Actuator Assembly, 511956B................................................2-62
Figure 2-10. Model 8133-1 (1 HP) Azimuth Actuator Assembly, 477503C..................................2-64
Figure 2-11. Model 8133-1 (5 HP) Azimuth Actuator Assembly, 480239D..................................2-66
Figure 2-12. Model 8133-180 (1 HP) Azimuth Actuator Assembly, 477506D..............................2-68
Figure 2-13. Model 8133-180 (5 HP) Azimuth Actuator Assembly, 482052E ..............................2-74
Figure 2-14. Location of Grouting......................................................................................................2-79
Figure 2-15. Hoisting Reflector and Spars ........................................................................................2-85
Figure 2-16. Hoisting Feed..................................................................................................................2-86
Figure 2-17. Model 8009A-C-4P Feed Installation, 514687B ..........................................................2-87
Figure 2-18. Model 8009A-C-4PC Feed Installation, 517525A.......................................................2-89
Figure 2-19. Polarization Drive Assembly, 1017724_002...............................................................2-93
Figure 2-20. 9/11-Meter Hub Cover Installation Drawing, 521988A ...........................................2-98
Figure 2-21. Feed and Waveguide Installation – 9-Meter C-band 4P, 550847A........................2-101
Figure 3-1. Feed, Reflector, and Subreflector Distances ...................................................................3-5
Figure 3-2. Typical Antenna Patterns for Various Subreflector Positions .....................................3-6
Figure 5-1. Lightning Protection Installation, 9/11-Meter Antenna System, 517224....................5-3
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Table of Contents
List of Tables
Table 1-1. Antenna Mount Configurations.........................................................................................1-1
Table 2-1. Tools and Equipment Required For Installation .............................................................2-5
Table 2-2. Torque Values For Antenna Fasteners..............................................................................2-7
Table 2-3. Panel Rough Alignment....................................................................................................2-15
Table 2-4. Final C-band Alignment Target Measurements - Sight Center
of the Middle Diamond................................................................................................................2-35
Table 2-5. Final Ku-band Alignment Target Measurements - Sight Center
of the Middle Diamond................................................................................................................2-35
Table 2-6. ViaSat 11-Meter Reflector Alignment Record................................................................2-36
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42S132E viii

Safety Summary
SAFETY SUMMARY
Notice
Any service, adjustment, maintenance, or repair of this product must be
performed only by authorized technical service personnel.
Prior to installation and use of this product review all safety markings and instructions.
When safety precautions or important information is presented in this manual, the
information will normally be presented just prior to the point where the hazard is likely
to be encountered.
The following symbols are used throughout this manual to bring attention to practices,
procedures, and conditions important to the safety of the operator and equipment or to
obtaining desirable results from the equipment.
This symbol warns of electrical shock hazards
to personnel. Failure to comply with the
instructions of such a warning may result in
severe injury or death resulting from electrical
shock.
This symbol warns of non-electrical hazards to
personnel. Failure to comply with the
instructions of such a warning may result in
severe injury or death.
This s
y
mbol warns of hazards to equipment.
Failure to comply with the instructions of such
a caution may result in damage or destruction
of equipment.
This symbol is used to bring attention to
installation grounding requirements.
NOTE
Notes are used to provide clarification, or to
alert the reader of possible erroneous results,
which may occur if a procedure is not
followed as written.
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