ViaSat 8116 Series Installation And Operation Manual Download

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OPTIONS

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Figure 7-1. 4-Port Circular C-Band Feed Assembly (Sheet 4 of 5), 477259A

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42S183D

SERIES 8116/8118 16-/18-METER EARTH STATION ANTENNA

7-5

Summary of Contents for 8116 Series

Page 1: ...Series 8116 8118 16 18 Meter Earth Station Antenna Installation and Operation Guide Manual Part No 42S183D April 2004 ...

Page 2: ...errors that may appear in this document and does not warranty any specific application Any product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies In all correspondence with ViaSat Inc regarding this publication please refer to Publication Number 42S183D Copyright 2002 ViaSat Inc All rights reserved N...

Page 3: ...quipment Received How to Return Equipment General Mechanical Safety Summary Emergency Plan General Electrical Safety Summary Resuscitation Recommended Tools and Equipment Recommended Installation Sequency Recommended Torque Values Site Preparation Assembly of Lower Mount Azimuth Bearing Ring Assembly Leg Installation Bottom Skin Plate Installation Mezzanine Installation Optional Ships Ladder Assem...

Page 4: ...OF REFLECTOR SPARS SUBREFLECTOR AND FEED 4 1 4 1 4 1 General Installation of Reflector Installation of Panel Mounting Ring and Optional LNA Enclosure 4 4 4 15 4 23 4 29 4 31 4 37 4 37 4 40 Installation of 18M Truss Assemblies Installation of 16M Truss Assemblies Installation of Panels Final Alignment of Panels Installation of Spars and Subreflector Installation of Model 8118 Feed Installation of F...

Page 5: ...NCE 6 1 6 1 6 1 6 1 6 2 6 5 6 5 General Periodic Maintenance Weekly Maintenance Monthly Maintenance Bi Monthly Maintenance Yearly Maintenance Corrosion Protection SECTION 7 OPTIONS 7 1 7 1 7 1 General Feed Options Lightning Protection APPENDIX A INSTALLATION CHECKLIST WITH MANUAL PAGE REFERENCES APPENDIX B MECHNCIAL ALIGNMENT SPECIFICATION AND REPORT FOR 16 18 METER LIMITED MOTION ANTENNA 479820A ...

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Page 7: ...SECTION 1 GENERAL INFORMATION 1 1 Introduction to Manual 1 1 Description 1 3 Wind Load Options 1 4 Specifications 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

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Page 9: ...ic maintenance and corrosion protection procedures are contained in Section 5 For replacing components of the antenna refer to the installation and assembly drawings contained in Sections 2 3 and 4 The 16 18M Earth Station Antenna provides a high quality antenna designed specifically for the INTELSAT A station market The antenna is designed with many standard and optional features to provide maxim...

Page 10: ...__________________________________________________________ Figure 1 1 16 18 Meter Motorized Antenna ____________________________________________________________________________________________ 1 2 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 11: ...____________________________________ No buildings walls fences or other permanent fixtures should be planned for installation any closer than two meters from the antenna and foundation envelope without consultation with the factory __________________________________________ The 18 meter antenna will operate or drive to stow in winds up to 90 miles per hour 145 km h with the standard 75 ton 667 kN ...

Page 12: ... precision aluminum panels 18 Meter Antenna 168 precision aluminum panels Mount Configuration Elevation over azimuth Antenna Pointing Range Azimuth 6 overlapping 90 sectors for a full 360 Elevation 0 to 90 continuous Antenna System Weight Approximate 16 Meter 124 000 lbs 56 233 kg 18 Meter 127 000 lbs 57 594 kg Reflector Weight 16 Meter 39 000 lbs 17 686 kg 18 Meter 42 000 lbs 19 047 kg Elevation ...

Page 13: ...1 Isolation Between Ports Transmit 85 dB Minimum Receive 85 dB Minimum Beamwidth at Midband nominal 3 dB Receive 0 32 16 meter 0 23 18 meter 3 dB Transmit 0 21 16 meter 0 17 18 meter First Sidelobe Level 14 dB Maximum Typical Antenna Noise Temperature Maximum 4 GHz referenced at output of OMT 25 C 77 F 50 RH clear sky Elevation Temperature K 5 48 10 41 20 34 40 32 60 30 Power Handling Capability 5...

Page 14: ...ient Temperature 40 to 60 C 40 to 140 F Rainfall 100 mm h 4 in h Relative Humidity 0 to 100 with condensation Altitude Above Sea Level 0 to 10 000 feet 0 to 3048 m Sand and Dust As in desert regions Salt Spray As in coastal regions Fungi As in tropical regions Solar Radiation 1 14 kW sq meter 360 Btu h sq ft Vertical Shock survival 0 1 G Horizontal Shock survival 0 3 G Earthquake Survival Per grad...

Page 15: ...ived 2 2 How to Return Equipment 2 3 General Mechanical Safety Summary 2 4 General Electrical Safety Summary 2 5 Recommended Tools and Equipment 2 9 Recommended Installation Sequency 2 10 Recommended Torque Values 2 10 Site Preparation 2 10 Assembly of Lower Mount 2 33 Grouting Baseplate and Skin Plate to Foundation 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

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Page 17: ...ial unpacking procedure given below 1 Inspect shipping carton for visible damage 2 Open the shipping carton 3 Remove all packing material 4 Inspect unit for visible damage 5 Using packing list check for missing items see How To Inventory Equipment Received below Make a note of any loss or evidence of external damage on the freight bill or receipt and have it signed by the carrier s agent Failure t...

Page 18: ...quipment is received which is not in working order return the equipment to the factory for repair or replacement Return the equipment according to the following procedure This procedure will apply whenever equipment is returned for warranty or other services HOW TO RETURN EQUIPMENT a Notify ViaSat of the problem and request a Return Material Authorization RMA number and shipping instructions b Tag...

Page 19: ...ly GENERAL MECHANICAL SAFETY SUMMARY WARNING __________________________________________ Installation or maintenance of antennas may require persons to work at elevated work stations Whenever persons are working at eight or more feet above ground and not on a guarded platform they should wear safety belts with at least one and preferably two lanyards with the exception that trained and qualified pe...

Page 20: ..._____________________ Ensure that all electrical tools and equipment are properly grounded __________________________________________ Have an emergency plan Know the procedures for obtaining first aid and fire fighting assistance Plan your work and maintain good housekeeping the safety and quality of the product are at stake Emergency Plan These are general electrical safety precautions that are n...

Page 21: ...caution must be exercised during these procedures Death or severe injury may result if personnel fail to observe safety precautions __________________________________________ Personnel working with or near hazardous chemicals or voltages should be familiar with modern methods of resuscitation Resuscitation Tables 2 1 through 2 4 list the tools and equipment needed for installing ViaSat s 16 or 18 ...

Page 22: ... 1 4 inch x 1 2 inch drive socket 1 Each Socket adapter 1 2 inch female to 3 4 inch male 1 Set 3 4 inch drive ratchet extensions and sockets from 7 8 to 2 inch size 1 Each 1 1 4 inch x 3 4 inch drive socket 1 Each 1 5 8 inch x 3 4 inch drive socket 1 Each 1 7 8 inch x 3 4 inch drive socket 1 Each 2 inch x 3 4 inch drive socket 1 Each Socket adapter 3 4 inch female to 1 2 inch male 1 Each 3 4 inch ...

Page 23: ...dges 2 Rolls Electrical tape 1 Each Angle finder or magnetic base inclinometer 1 Each 24 inch carpenter s level 1 Each 12 inch machinist s scale with square head 1 100 graduation 1 Each Feeler gage set 1 Each 12 foot tape 1 Each 25 foot tape 1 Each Chalk line reel full of chalk 1 Each 1 inch putty knife 1 Each 3 inch putty knife 1 Each 4 x 12 inch finishing trowel 1 Each 6 inch pointing trowel 4 E...

Page 24: ...iption 1 Each Machinist s level 0 005 inch foot graduation 1 Each Wild Heerburg T2 theodolite with tribrach 1 Each GV01 short focus lens for T2 theodolite 1 Each GV02 short focus lens for T2 theodolite 1 Each GV03 short focus lens for T2 theodolite 1 Each Battery pack and light kit for T2 theodolite 1 Each 90 degree eyepiece set for T2 theodolite 1 Each 16 18 meter reflector alignment kit Part num...

Page 25: ... Cleaner 6 Rolls Toilet paper 1 Each Ice Chest 1 Each Water Cooler 1 Each Umbrella Doubling the quantity of this item will enable a larger crew to install the antenna more quickly ______________________________________________________ In order to ensure proper and trouble free installation the following installation sequence is recommended 1 Site Preparation contained in manual 42S182 2 Assembly o...

Page 26: ... 33 Nm 1 4 inch Fasteners 9 ft lbs 12 Nm Refer to 16 18 Meter Earth Station Antenna Site Preparation Technical Manual 42S182 for information needed to properly locate and install the foundation for the 16 18 Meter 16 18M Earth Station Antenna SITE PREPARATION The following procedure describes the complete assembly of the lower mount for the 16 or 18 meter antenna The completed lower and upper moun...

Page 27: ...LATION PROCEDURES Figure 2 1 Completed Mount Assembly With Hub ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 2 11 ...

Page 28: ...g a hexagon access underneath for installation of top skin mounting angle is required 2 Using hoist set 2 piece mounting plate item 2 in Figure 2 2 in place rotating ends 60 from ends of item 3 3 Using hoist set 2 piece top plate item 1 in Figure 2 2 in place rotating ends 60 from ends of item 2 and item 3 4 Secure all three layers together through bolt holes indicated in Figure 2 2 using screws a...

Page 29: ... 3 Using hoist lift leg item 1 into position over one set of column anchor bolts weight 2790 lbs 1265 kg 4 Align column bottom plate holes with anchor bolts so the column leans inward toward center of mount and secure with four flat washers and nuts item 100 and 101 Hand tighten nuts 5 Using ladder remove hoist from leg 6 Install remaining 5 legs as described in steps 3 through 5 7 Attach hoist to...

Page 30: ...h holes in bottom skin b Secure angle to skin with bolt two flat washers and nut item 105 103 and 104 c Secure angle to anchor bolts using washer and nut item 103 and 104 d Hand tighten fasteners 5 Remove hoist from bottom skin plate 6 Install remaining four bottom skin plates as described in steps 1 through 5 7 Attach lower door tee item 7 to inside surface of lower door skin item 13 with bolt tw...

Page 31: ...holes with leg bracket holes and secure with two bolts four flat washers two oversized flat washers and two nuts items 100 102 103 and 101 at each end of support beam Hand tighten 4 Remove hoist from mezzanine support beam 5 Install floor support beam F item 5 in next clockwise position viewing from top of mount assembly using steps 1 through 4 6 Install floor support beam C item 2 7 Install floor...

Page 32: ... and support beam C a Secure end clip plate in place using screw two flat washers and nut item 104 102 and 101 eight places b Torque four bolts securing end clip plate to right floor support to 260 ft lbs 353 Nm c Hand tighten the bolts securing the end clip plate to support beam C 19 Remove hoist from right floor support beam 20 Install left floor support beam item 10 to stairway opening beam and...

Page 33: ...2 b Align slot in tread with hole in left hand stringer c Secure tread with screw two flat washers and nut item 100 101 and 102 d Align slot in tread with hole in right hand stringer e Secure tread with screw two flat washers and nut item 100 101 and 102 f Hand tighten fasteners NOTE Assure that rough surface of tread will be up when the top end of stringer is raised to mezzanine floor 4 Turn righ...

Page 34: ...ion item 9 on outside of left hand stringer just above the tenth tread 13 Repeat step 10 14 Repeat step 12 and 13 just above the fifth tread and the first tread 15 Position left handrail item 5 inside of and on top of the three left hand stanchion 16 Align holes in handrail with stanchion and secure three places with screw two flat washers and nut item 100 101 and 102 Hand tighten 17 Position left...

Page 35: ...d washer Retain these for use in step 10 9 Place ships ladder back in position and repeat step 4 10 Secure bottom mount angles to concrete using the two nuts and washers removed in step 8 11 Level tread plate and torque bolts in slotted hole of bottom mount angle to 260 ft lbs 353 Nm 12 Torque bolts in top of ships ladder to 260 ft lbs 353 Nm 13 Remove hoist from ships ladder 14 Attach hoist to me...

Page 36: ...ine at right side facing inward from door 6 Remove hoist from grating 7 Attach hoist to corner grating D item 19 8 Lift grating into position on mezzanine at right side facing inward from door 9 Remove hoist from grating 10 Attach hoist to corner grating A item 17 11 Lift grating into position on mezzanine at left side facing inward from door 12 Remove hoist from grating 13 Attach hoist to corner ...

Page 37: ...dle mount skin item 10 at seven places with bolt two flat washers and nut item 105 103 and 104 Hand tighten 2 Lift middle mount skin into position on outside of two legs which do not have the door opening between them 3 Align plate side holes with holes in leg eight holes in each leg and secure with bolt two flat washers and nut item 105 103 and 104 4 Secure middle mount skin to lower skin tee at ...

Page 38: ...rything together prior to grouting the base Perform the following procedures to properly torque all mount fasteners Torquing Lower Mount Fasteners 1 Loosen all nuts securing bottom skin mount angles to foundation by a couple turns this will allow the skin to be pulled tight from the top down NOTE Do not loosen nuts securing legs to foundation 2 Tighten fasteners holding bearing ring assembly plate...

Page 39: ...anine guard rail to stair opening beam fasteners to 260 ft lbs 353 Nm 18 Tighten ships ladder to stair stringer support beam fasteners to 260 ft lbs 353 Nm 19 Tighten stair stringer to stair to right mount fasteners to 260 ft lbs 353 Nm 20 Tighten bottom mount to floor fasteners to 150 ft lbs 203 Nm 21 Tighten bottom mount to stringer fasteners to 260 ft lbs 353 Nm 22 Tighten all mezzanine edge be...

Page 40: ... lbs 42 Nm 7 Install one door side channel item 18 on left door skin 8 Repeat step 6 9 Locate door top channel item 17 on upper door skin 10 Secure door top channel four places using screw two flat washers and nut item 108 109 and 110 Torque to 31 ft lbs 42 Nm 11 With one person on each side of door assembly item 111 lift assembly and slide it onto the door side channels until door frame top cover...

Page 41: ...ust door side skins to provide an equal gap between door and door frame along sides and across the top 25 Torque door side skin to lower door skin and middle door skin fasteners to 260 ft lbs 353 Nm 26 Torque door top skin to middle door skin fasteners to 260 ft lbs 353 Nm 27 Torque door side skin to doorway anchor bolts to 1100 ft lbs 1491 Nm 28 Drill five pilot holes equally spaced through insid...

Page 42: ...ATION PROCEDURES Figure 2 2 Azimuth Bearing Ring Assembly 483183 ____________________________________________________________________________________________ 2 26 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 43: ...PROCEDURES Figure 2 3 16 18 Meter Mount Assembly Sheet 1 of 3 483184A ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 2 27 ...

Page 44: ...PROCEDURES Figure 2 3 16 18 Meter Mount Assembly Sheet 2 of 3 483184A ____________________________________________________________________________________________ 2 28 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 45: ...PROCEDURES Figure 2 3 16 18 Meter Mount Assembly Sheet 3 of 3 483184A ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 2 29 ...

Page 46: ...ON PROCEDURES Figure 2 4 16 18 Meter Mezzanine Installation 512020 ____________________________________________________________________________________________ 2 30 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 47: ...ION PROCEDURES Figure 2 5 16 18 Meter Stairway Installation 483185 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 2 31 ...

Page 48: ...BASEPLATE AND SKIN PLATE TO FOUNDATION Temperatures above 80 F 27 C accelerate hardening of the grout reducing the time that the grout remains workable after mixing therefore it is necessary that either procedures be used which permit placing of the grout more quickly or the available working time increased by cooling the mixture and the mount base plates If the first approach is taken it is sugge...

Page 49: ...late and foundation to bring the temperature above the minimum using the following methods a Base plates may be warmed by use of infrared heat lamps or by building a small enclosure around the base plate and introducing heat from a convenient source Warm the mixing water as necessary to provide mixed grout at a temperature of 60 F 15 C or above but avoid use of water hotter than 90 F 32 C b After ...

Page 50: ...ate use a small strip of wood to work the grout between base plate and foundation It is important that the grout be worked from one side to the other to prevent air from being trapped under each plate Once the area under the plate is full of grout smooth the edges around each plate for best appearance 4 Immediately after the grout is installed cover all exposed grout with clean wet rags do not use...

Page 51: ... INSTALLATION PROCEDURES Figure 2 6 Location of Grouting ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 2 35 ...

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Page 53: ...zimuth Drive Anchor Installation 3 1 Rotating Frame Installation 3 14 Azimuth Drive Installation 3 19 Elevation Drive Installation 3 22 Hub Assembly and Installation 3 29 Installation Guardrails and Ladders 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

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Page 55: ...alling the rotating frame azimuth frame and alignment assembly AZIMUTH DRIVE ANCHOR INSTALLATION 1 Determine center of optimum azimuth sector to locate azimuth drive anchor item 2 in Figure 3 1 See Figure 3 1 Sheet 2 2 Install azimuth drive anchor to azimuth frame and alignment assembly item 4 using 2 azimuth anchor spacer plates item 25 2 azimuth anchor pins item 3 12 hex head bolts item 102 and ...

Page 56: ...rotating frame 5 Install azimuth frame stow pin block item 12 at appropriate position using four bolts item 110 eight washers item 111 and four nuts item 112 It should be attached so that the slotted holes provide a fore aft adjustment not side to side These fasteners need not be torqued 6 Torque fasteners to the following values 1 1 4 inch Fasteners 1100 ft lbs 1491 Nm 1 inch Fasteners 600 ft lbs...

Page 57: ...___________________________________________________________ Figure 3 1 Installing Upper Mount Sheet 1 of 5 512560B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 3 ...

Page 58: ...___________________________________________________________ Figure 3 1 Installing Upper Mount Sheet 2 of 5 512560B ____________________________________________________________________________________________ 3 4 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 59: ...___________________________________________________________ Figure 3 1 Installing Upper Mount Sheet 3 of 5 512560B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 5 ...

Page 60: ...___________________________________________________________ Figure 3 1 Installing Upper Mount Sheet 4 of 5 512560B ____________________________________________________________________________________________ 3 6 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 61: ...___________________________________________________________ Figure 3 1 Installing Upper Mount Sheet 5 of 5 512560B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 7 ...

Page 62: ...____________________________________________________ Figure 3 2 Azimuth Frame and Alignment Assembly Sheet 1 of 4 511960C ____________________________________________________________________________________________ 3 8 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 63: ...____________________________________________________ Figure 3 2 Azimuth Frame and Alignment Assembly Sheet 2 of 4 511960C ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 9 ...

Page 64: ...____________________________________________________ Figure 3 2 Azimuth Frame and Alignment Assembly Sheet 3 of 4 511960C ____________________________________________________________________________________________ 3 10 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 65: ...____________________________________________________ Figure 3 2 Azimuth Frame and Alignment Assembly Sheet 4 of 4 511960E ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 11 ...

Page 66: ...______________________________________________________ Figure 3 3 Elevation Axis Clevis Alignment Sheet 1 of 2 477689B ____________________________________________________________________________________________ 3 12 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 67: ...______________________________________________________ Figure 3 3 Elevation Axis Clevis Alignment Sheet 2 of 2 477689B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 13 ...

Page 68: ... brace plate item 21 using 10 bolts item 105 20 washers item 107 and 10 nuts item 108 3 Using hoist lift azimuth drive assembly item 8 or 23 and attach assembly to azimuth drive mount as illustrated in Figure 3 1 using the following procedure a Grease and insert azimuth clevis pin item 11 so that azimuth drive anchor item 2 is attached to azimuth drive assembly see Sheet 2 of Figure 3 1 Secure pin...

Page 69: ... 5 Torque azimuth assembly fasteners to the following values 1 1 4 inch fasteners 1100 ft lbs 1491 Nm 3 8 inch fasteners 31 ft lbs 42 Nm 5 16 inch fasteners 24 ft lbs 33 Nm ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 15 ...

Page 70: ...________________________________________________________ Figure 3 4 Azimuth Drive Clevis Assembly Sheet 1 of 3 512010 ____________________________________________________________________________________________ 3 16 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 71: ...________________________________________________________ Figure 3 4 Azimuth Drive Clevis Assembly Sheet 2 of 3 512010 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 17 ...

Page 72: ...________________________________________________________ Figure 3 4 Azimuth Drive Clevis Assembly Sheet 3 of 3 512010 ____________________________________________________________________________________________ 3 18 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 73: ... drive assembly weighs 4500 lbs 2040 kg Use extreme care when hoisting the elevation drive assembly into position __________________________________________ 2 Carefully lift elevation actuator assembly until it is standing straight up and extend actuator protection tube through slot in rotating frame as indicated in Figure 3 1 3 Secure elevation assembly to rotating frame mounting bracket with two...

Page 74: ...__________________________________________________________ Figure 3 5 Elevation Drive Assembly Sheet 1 of 2 482655D ____________________________________________________________________________________________ 3 20 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 75: ...__________________________________________________________ Figure 3 5 Elevation Drive Assembly Sheet 2 of 2 482655E ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 21 ...

Page 76: ...ly area to set the hub segments onto during hub assembly process WARNING __________________________________________ The hub segments weigh approximately 2500 lbs 1134 kg each Use extreme care when hoisting the hub segments into position __________________________________________ 2 Place hub segment item 2 in Figure 3 6 with two pivots upright pivots facing up on 4 x 4s 3 Place hub segment splice i...

Page 77: ...steners as follows 1 inch Fasteners 600 ft lbs 813 Nm 3 4 inch Fasteners 260 ft lbs 353 Nm 1 2 inch Fasteners 76 ft lbs 103 Nm Perform the following procedure after installing the rotating frame and the elevation actuator Hub Installation WARNING __________________________________________ The hub assembly weighs 8000 lbs 3629 kg Use extreme care when hoisting the hub assembly into position _______...

Page 78: ..._______________________________________________________________ Figure 3 6 Assembling Hub Sheet 1 of 5 512015B ____________________________________________________________________________________________ 3 24 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 79: ..._______________________________________________________________ Figure 3 6 Assembling Hub Sheet 2 of 5 512015B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 25 ...

Page 80: ..._______________________________________________________________ Figure 3 6 Assembling Hub Sheet 3 of 5 512015B ____________________________________________________________________________________________ 3 26 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 81: ..._______________________________________________________________ Figure 3 6 Assembling Hub Sheet 4 of 5 512015B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 27 ...

Page 82: ..._______________________________________________________________ Figure 3 6 Assembling Hub Sheet 5 of 5 512015B ____________________________________________________________________________________________ 3 28 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 83: ...107 and two nuts item 108 on each bracket 2 Install ladder item 12 or 13 to brackets 3 Attach hub access tread plate using four bolts item 100 four washers item 101 and two nuts item 102 4 Install hub access ladder item 11 using two bolts item 109 four washers item 110 and two nuts item 111 5 Torque all ladder fasteners to values listed below 3 4 inch Fasteners 260 ft lbs 353 Nm 5 8 inch Fasteners...

Page 84: ...1 ft lbs 42 Nm 11 Install wire rope to guardrails as shown in Figure 3 7 using 6 eye bolts item 112 6 washers item 113 6 nuts item 114 3 snap hooks item 115 and 12 wire clips item 116 Install the miscellaneous platform hardware in accordance with the following instructions Miscellaneous Platform Hardware 1 Attach man hole cover item 15 at location shown in Figure 3 7 2 Attach man hole cover item 1...

Page 85: ...________________________________________________ Figure 3 7 16 18 Meter Optional Equipment Installation Sheet 1 of 4 512569C ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 31 ...

Page 86: ...________________________________________________ Figure 3 7 16 18 Meter Optional Equipment Installation Sheet 2 of 4 512569C ____________________________________________________________________________________________ 3 32 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 87: ...________________________________________________ Figure 3 7 16 18 Meter Optional Equipment Installation Sheet 3 of 4 512569C ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 3 33 ...

Page 88: ...________________________________________________ Figure 3 7 16 18 Meter Optional Equipment Installation Sheet 4 of 4 512569C ____________________________________________________________________________________________ 3 34 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 89: ...PARS SUBREFLECTOR FEED AND WAVEGUIDE 4 1 General 4 1 Installation of Reflector 4 32 Installation of Spars and Subreflector 4 38 Installation of Feed 4 41 Installation of Waveguide 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

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Page 91: ...e describes the installation of the feed mounting hardware to the hub Installation of Panel Mounting Ring and Optional LNA Enclosure 1 Install 6 feed panel mount brackets item 3 in Figure 4 1 to hub using 12 bolts item 13 24 washers item 15 and 12 nuts item 16 as indicated in Figure 4 1 2 Attach LNA enclosure item 2 to feed panel mount item 1 using 16 screws item 8 16 lock washers item 10 and 16 w...

Page 92: ...rs item 15 and two nuts item 16 9 Install LNA enclosure cover assembly item 7 using seven screws item 8 seven washers item 10 seven washers item 11 and seven nuts item 12 ____________________________________________________________________________________________ 4 2 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 93: ...____________________________________________________________________ Figure 4 1 Feed Mounting Hardware Installation 512570C ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 3 ...

Page 94: ... tabs underneath 1A at bottom of truss using hex head bolt item 100 flat washer item 101 and hex nut item 102 in each end 5 Attach two intercostals 1C item 6 from center of item 1A toward bolt location of item 1B using hex head bolt item 100 flat washer item 101 and hex nut item 102 in each end Items 5 and 6 share the same bolts 6 Attach two intercostals 1D item 7 from center of item 1A to upper h...

Page 95: ... hex head bolts item 103 four flat washers item 104 and two hex nuts item 105 in each end 17 Attach intercostal 4B item 15 to inside of attaching tabs at bottom of truss using two hex head bolts item 103 four flat washers item 104 and two hex nuts item 105 in each end 18 Attach two intercostals 4C item 16 from center of item 4A to bolt location of item 4B using one hex head bolt item 103 two flat ...

Page 96: ...he completed truss assembly weighs 1600 lbs 726 kg Use extreme care when hoisting the completed truss assembly into position __________________________________________ 25 Attach hoist to completed truss assembly and lift assembly to hub see Figure 4 3 26 Align truss assembly to hub and secure with truss shims items 23 and 24 in Figure 4 2 four bolts item 106 eight washers item 107 and four nuts it...

Page 97: ...el mount ring by adding or removing T shims 30 Torque all fasteners except nuts on panel rods to the following values 3 4 inch Fasteners 260 ft lbs 353 Nm 5 8 inch Fasteners 150 ft lbs 203 Nm 1 2 inch Fasteners 76 ft lbs 103 Nm ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 7 ...

Page 98: ...AND FEED Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 1 of 6 513586 ____________________________________________________________________________________________ 4 8 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 99: ..._______________________________________________________ Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 2 of 6 513586 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 9 ...

Page 100: ...AND FEED Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 3 of 6 513586 ____________________________________________________________________________________________ 4 10 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 101: ...______________________________________________________ Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 4 of 6 513586 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 11 ...

Page 102: ...AND FEED Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 5 of 6 513586 ____________________________________________________________________________________________ 4 12 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 103: ...______________________________________________________ Figure 4 2 Installation of 18M Trusses Nodes and Intercostals Sheet 6 of 6 513586 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 13 ...

Page 104: ...CTOR SPARS SUBREFLECTOR AND FEED Figure 4 3 Installing 18M Trusses ____________________________________________________________________________________________ 4 14 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 105: ...ttach intercostal 1B item 5 to inside of attaching tabs underneath 1A at bottom of truss using hex head bolt item 100 flat washer item 101 and hex nut item 102 in each end 5 Attach two intercostals 1C item 6 from center of item 1A toward bolt location of item 1B using hex head bolt item 100 flat washer item 101 and hex nut item 102 in each end Item 5 and 6 share the same bolts 6 Attach two interco...

Page 106: ...op of truss using two hex head bolts item 103 four flat washers item 104 and two hex nuts item 105 in each end 17 Attach right intercostal 4C item 15 from node 4 to bolt location of item 3B on right side from hub end looking out using one hex head bolt item 100 two flat washers item 101 and one hex nut item 102 in each end NOTE The notched end of items 15 and 19 attach to the truss item 2 or 3 whi...

Page 107: ...Align truss assembly to hub and secure with T shims items 23 and 24 in Figure 4 4 four bolts item 106 eight washers item 107 and four nuts item 108 at top and bottom of hub The T shims will be removed or more added to align the trusses 24 Assemble and install the remaining truss assemblies in accordance with steps 1 through 23 and the following steps When truss assembly is secured to hub secure tr...

Page 108: ...AND FEED Figure 4 4 Installation of 16M Trusses Nodes and Intercostals Sheet 1 of 5 513585 ____________________________________________________________________________________________ 4 18 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 109: ...______________________________________________________ Figure 4 4 Installation of 16M Trusses Nodes and Intercostals Sheet 2 of 5 513585 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 19 ...

Page 110: ...AND FEED Figure 4 4 Installation of 16M Trusses Nodes and Intercostals Sheet 3 of 5 513585 ____________________________________________________________________________________________ 4 20 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 111: ...______________________________________________________ Figure 4 4 Installation of 16M Trusses Nodes and Intercostals Sheet 4 of 5 513585 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 21 ...

Page 112: ...AND FEED Figure 4 4 Installation of 16M Trusses Nodes and Intercostals Sheet 5 of 5 513585 ____________________________________________________________________________________________ 4 22 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 113: ...cure panel to rods using two flat washers item 12 and two hex nuts item 11 The set dimensions shown in the figure are for a crude setting 3 Roughly align panel by moving threaded rod up or down with nuts on truss Sight the outer corners of each panel using the theodolite and data provided in paragraph 3 of 479821 Set both corner s height to the angles shown Set the panel laterally by sighting one ...

Page 114: ...eft hand spar attachment C panel item 5 on threaded rods at next counterclockwise position 20 Repeat steps 10 through 18 for the next set of C row panels 21 Place left hand spar attachment C panel item 5 on threaded rods at next counterclockwise position 22 Repeat steps 10 through 18 for the next set of C row panels 23 Place left hand spar attachment C panel item 5 on threaded rods at next counter...

Page 115: ...____________________________________________________________________ Figure 4 5 Installing 18M Panels Sheet 1 of 2 477757B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 25 ...

Page 116: ... SUBREFLECTOR AND FEED Figure 4 5 Installing 18M Panels Sheet 2 of 2 477757B ____________________________________________________________________________________________ 4 26 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 117: ...____________________________________________________________________ Figure 4 6 Installing 16M Panels Sheet 1 of 2 477758B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 27 ...

Page 118: ... SUBREFLECTOR AND FEED Figure 4 6 Installing 16M Panels Sheet 2 of 2 477758B ____________________________________________________________________________________________ 4 28 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 119: ...ctor pointed at zenith assemble drill template in reflector and attach to theodolite spindle base 2 Drill a 3 16 inch 0 48 cm diameter hole in the panel surface above each of the panel adjustment rods There are 720 adjustments for an 18 meter antenna and 528 adjustments for a 16 meter antenna Install a plastic target into each drilled hole 3 Using elevation drive system position reflector at 35 to...

Page 120: ...BREFLECTOR AND FEED Figure 4 7 Theodolite Adapter Installation Assembly 480594 ____________________________________________________________________________________________ 4 30 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 121: ...ing straps must be able to support a 500 lb 227 kg load The straps should be attached to balance the subreflector to prevent damage 3 Assemble four spars to spar fitting item 3 using three screws item 101 six washers item 103 and three nuts item 105 NOTE The center lines of the four spars come together at a point in the center of the spar connector 4 Torque fasteners to the following values and re...

Page 122: ... from subreflector and attach hoist to spars subreflector assembly 14 Lift assembly into place on antenna spar mounting brackets 15 Secure spars to antenna spar mounting brackets using eight screws item 101 eight washers item 103 and eight nuts item 105 16 Torque fasteners to the following values and remove hoist 3 4 inch Fasteners 260 ft lbs 353 Nm 5 8 inch Fasteners 150 ft lbs 203 Nm 1 2 inch Fa...

Page 123: ...__________________________________________________________ Figure 4 8 18 Meter Antenna Subreflector Installation Sheet 1 of 2 476807C ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 33 ...

Page 124: ...OR AND FEED Figure 4 8 18 Meter Antenna Subreflector Installation Sheet 2 of 2 476807C ____________________________________________________________________________________________ 4 34 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 125: ...__________________________________________________________ Figure 4 9 16 Meter Antenna Subreflector Installation Sheet 1 of 2 477753B ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 35 ...

Page 126: ...OR AND FEED Figure 4 9 16 Meter Antenna Subreflector Installation Sheet 2 of 2 477753B ____________________________________________________________________________________________ 4 36 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 127: ...ifferent installation instructions Refer to the appropriate installation drawings or instructions for installing other feeds and waveguides INSTALLATION OF MODEL 8118 FEED The following procedure describes the installation of the Model 8118 4 Port Feed INSTALLATION OF FEED 1 Attach hoist to feed assembly and lift feed into center of hub area as indicated in Figure 4 10 2 Secure feed to mount using...

Page 128: ...REFLECTOR AND FEED Figure 4 10 Model 8118 Feed Installation Sheet 1 of 2 513398 ____________________________________________________________________________________________ 4 38 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 129: ..._________________________________________________________________ Figure 4 10 Model 8118 Feed Installation Sheet 2 of 2 513398 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 39 ...

Page 130: ...em 101 at each flange as illustrated in Figure 4 11 Use the following procedures to secure waveguide a Secure waveguides to hub and in cable tray as illustrated in Figure 4 11 view C and the following procedure 1 Install top waveguide hanger item 13 to hub using 2 screws item 114 2 Install bottom waveguide hanger item 14 to hub using 2 bolts item 107 4 washers item 108 and 4 nuts item 109 3 Instal...

Page 131: ...ed waveguide hangers item 12 6 washers item 111 and 6 nuts item 110 d Secure waveguides to lower mount waveguide support item 10 as illustrated in Figure 4 11 Sheet 1 using waveguide hanger kit item 113 2 screws item 112 4 washers item 111 and 2 nuts item 110 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STAT...

Page 132: ...CTOR AND FEED Figure 4 11 Model 8116 8118 Waveguide Installation Sheet 1 of 2 513360 ____________________________________________________________________________________________ 4 42 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 133: ...____________________________________________________________ Figure 4 11 Model 8116 8118 Waveguide Installation Sheet 2 of 2 513360 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 4 43 ...

Page 134: ......

Page 135: ...ION 5 OPERATION 5 1 General 5 1 Satellite Pointing Procedure 5 1 Feed Polarization 5 2 Subreflector Adjustment 5 5 Azimuth Sector Change Procedure 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 136: ......

Page 137: ...cking Controller however if these are not available the following procedure is used to point the antenna at a satellite SATELLITE POINTING PROCEDURE 1 Refer to the Site Preparation manual to determine the required elevation and azimuth angles 2 Move antenna to the required elevation angle by turning the elevation actuator on using jog switches on Model 8864 or the local jog switches on the lower m...

Page 138: ...cross the feed bezel and measurement may then be made from the inside of the straight edge to the subreflector The subreflector adjustment screws should not stress the subreflector in any way 2 Take a reference measurement from back of subreflector mounting frame at each adjustment rod prior to subreflector adjustment 3 The subreflector should be adjusted toward or away from the main dish with the...

Page 139: ...ange The main signal level will peak at the antenna focus however this change will not be as sensitive as the change in the null depths Peak main beam signal level and minimum first null depths should coincide for the best subreflector position c As the subreflector is adjusted toward the optimum focal position the first sidelobe levels should decrease and remain symmetrical within 2 dB The minimu...

Page 140: ...______________________________________ Figure 5 1 Typical Antenna Patterns for Various Subreflector Positions ____________________________________________________________________________________________ 5 4 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 141: ...corresponding ones from the top of mount in the next sector next face of hexagon as seen from top of mount Only the center row of bolts except for the one closest to each 3 inch hole needs to be removed See Figure 3 1 Sheet 2 and Figure 5 2 Save the bolts to use in the current sector 5 If sector change will be from inboard to outboard position remove all pivot frame attachment bolts except two per...

Page 142: ... cable while removing four remaining bolts and two alignment pins The weight of the pivot frame will now be taken by the lift cable and the azimuth actuator 15 Manually run azimuth actuator to move the pivot frame to new sector position It will be necessary to guide it along with slaver bars or guide pins to get it into position During this procedure there will be no azimuth readout information av...

Page 143: ...at was recorded before LSR was disabled This procedure will require some back and forth rotation to get resolver into the proper position within about 0 005 24 Tighten servo clamps on resolver and reinstall cover on the LSR package 25 Remove stow pin by slightly jogging the drive if necessary 26 Take out any remaining azimuth realignment error by recalibrating antenna position controller using rec...

Page 144: ...______________________________________________ Figure 5 2 Azimuth LSR Installation Sheet 1 of 2 482569 ____________________________________________________________________________________________ 5 8 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 145: ...______________________________________________ Figure 5 2 Azimuth LSR Installation Sheet 2 of 2 482569 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 5 9 ...

Page 146: ......

Page 147: ...SECTION 6 MAINTENANCE 6 1 General 6 1 Periodic Maintenance 6 5 Corrosion Protection 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 148: ......

Page 149: ... protection GENERAL CAUTION __________________________________________ The backlash and bearing preload on azimuth and elevation machine screw assemblies are factory set on a test fixture to exact standards To maintain proper adjustment the assemblies have been keyed in place to prevent rotation Do not attempt to adjust these parameters Any questions concerning this should be directed to ViaSat In...

Page 150: ...__________________________ 1 Remove resolver covers inspect mechanical operation and check for condensation accumulation If moisture exists open all drain holes Apply a spray type lubricant WD 40 or equivalent to all moving parts Secure covers 2 Inspect polarization drive assembly if applicable and apply a spray type lubricant WD 40 or equivalent to chain and drive sprocket Inspect the drive chain...

Page 151: ...not used on the actuator screw damage to the screw or motor could occur __________________________________________ f Apply a thin uniform coating of one of the following low temperature greases Texaco Low Temperature 2346 Shell Aeroshell 17 SA 488563 14 oz Moly Grease Cartridges Mobil Low Temperature 28 g Connect the boot back to the actuator housing h Run the actuator in and out 12 inches each wa...

Page 152: ...___________________________________________________ Figure 6 1 Grease Fitting Maintenance Locations ____________________________________________________________________________________________ 6 4 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 153: ...asteners 31 ft lbs 42 Nm 5 16 inch Fastener 24 ft lbs 33 Nm 1 4 inch Fasteners 9 ft lbs 12 Nm Perform the following procedures after completing the installation and every 12 months thereafter CORROSION PROTECTION NOTE Pressurization of transmit waveguide runs and feed components should be maintained to prevent moisture from entering the system 1 Evaluate the corrosion protection on the mount actua...

Page 154: ......

Page 155: ...SECTION 7 OPTIONS 7 1 General 7 1 Feed Options 7 1 Lightning Protection 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 156: ......

Page 157: ...ing Lightning protection that includes rod air terminals and cabling to a single ground rod is also available The antenna can use a wide variety of feed options for both domestic and international applications The feed option available for the 16 meter or 18 meter antenna is currently only a 4 port circular C band feed The assembly drawing is shown in Figure 7 1 FEED OPTIONS NOTE The feed specific...

Page 158: ...______________________________________ Figure 7 1 4 Port Circular C Band Feed Assembly Sheet 1 of 5 477259A ____________________________________________________________________________________________ 7 2 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 159: ...______________________________________ Figure 7 1 4 Port Circular C Band Feed Assembly Sheet 2 of 5 477259A ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 7 3 ...

Page 160: ...______________________________________ Figure 7 1 4 Port Circular C Band Feed Assembly Sheet 3 of 5 477259A ____________________________________________________________________________________________ 7 4 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 161: ...______________________________________ Figure 7 1 4 Port Circular C Band Feed Assembly Sheet 4 of 5 477259A ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 7 5 ...

Page 162: ...______________________________________ Figure 7 1 4 Port Circular C Band Feed Assembly Sheet 5 of 5 477259A ____________________________________________________________________________________________ 7 6 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 163: ...______________________________________ Figure 7 2 Lightning Protection Kit Installation Sheet 1 of 2 478096 ____________________________________________________________________________________________ 42S183D SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 7 7 ...

Page 164: ...______________________________________ Figure 7 2 Lightning Protection Kit Installation Sheet 2 of 2 478096 ____________________________________________________________________________________________ 7 8 SERIES 8116 8118 16 18 METER EARTH STATION ANTENNA 42S183D ...

Page 165: ...APPENDIX A INSTALLATION CHECKLIST WITH MANUAL PAGE REFERENCES 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 166: ......

Page 167: ...ex nuts on anchor bolts 1 inch above pad 2 13 _____ Lift column into position and secure to pad with four flat washers and hex nuts 2 13 _____ Install remaining five columns as described above 2 13 _____ Align and attach bearing ring assembly to top of six columns NOTE It may be necessary to raise or lower some of the column legs using the nuts on the column base in order to properly align the pla...

Page 168: ...ssembly together Platform plate assembly to column Platform plate assembly to top skin plate Top skin plate to column Top skin plate to bottom plate and door head Right and left door skin plate to door jamb Door head to door jamb Bottom skin plate to column Ensure bottom nuts on column feet are snug against plate then torque top nuts on column feet Tighten nuts on bottom bracket of bottom skin pla...

Page 169: ...installation of the next segment 3 22 _____ Align and secure next hub segment to left side of first hub segment 3 22 _____ Place segment splice onto left side of second hub segment using three bolts without washers and nuts Bolts hold spacer plate in place during installation of the third segment 3 22 _____ Attach elevation jack plate onto remaining hub segment pivot facing up using three bolts wi...

Page 170: ...ies using theodolite 4 6 17 _____ Torque fasteners to values given in manual 4 7 18 _____ Install and align panels in row A 4 23 _____ Install and align panels in row B 4 23 _____ Install and align panels in row C making sure spare panels are in right location 4 24 _____ Install and align panels in row D 18 meter reflector only 4 24 _____ Perform final alignment of panels 4 29 _____ Assemble four ...

Page 171: ...APPENDIX B MECHNICAL ALIGNMENT SPECIFICATION AND REPORT FOR 16 18 METER LIMITED MOTION ANTENNA 479820A 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 172: ......

Page 173: ......

Page 174: ...uld be 1 division 005 inch per foot or less across azimuth bearing while rotating through range of azimuth travel Deviation on level_______________ divisions The azimuth bearing is properly greased ViaSat Rep _________________________________________ Date ____________________ 3 0 ELEVATION AXIS ALIGNMENT The height deviation of the elevation axis clevis pins should be no greater than 1 32 inch or ...

Page 175: ... Panel hole pattern alignment to truss hole pattern ___________ inches arc seconds Circle one Panel feed mounting ring should be level in hub to within 1 division 005 inches per foot on a Starret no 98 level Panel feed mounting ring level deviation ____________ divisions Above measurements and alignments are verified with all hub and panel feed mounting ring installation hardware torqued to specif...

Page 176: ...______________________________ Date ____________________ 8 0 SUBREFLECTOR ALIGNMENT Subreflector alignment should be performed at the same elevation angle as panel alignment Subreflector alignment elevation angle _________ degrees The subreflector perpendicular distance to top of feed panel mounting ring vertex should be 192 43 inches 0 25 for 16 Meter Antenna 194 69 inches 0 25 for 18 Meter Anten...

Page 177: ...reducer vent plug has been installed and the oil level verified All bearing seals are in place and not torn ViaSat Rep _________________________________________ Date ____________________ 11 0 ELEVATION ROTATION AND DRIVE The elevation rotation has been demonstrated possibly during the controller tests and mechanical limits have been set Electrical limit switches have been adjusted for 0 degrees th...

Page 178: ......

Page 179: ...APPENDIX C CONTOUR ALIGNMENT SPECIFICATION AND RECORD FOR 16 18 METER ANTENNA 479821B 42S183D Series 8116 8118 16 18 Meter Earth Station Antenna ...

Page 180: ......

Page 181: ...EET REV DWG NO CONTRACT NO DWN H L HOWARD 6 16 93 SCALE NONE SIZE A CAGE NO 1Q601 CONTOUR ALIGNMENT SPEC FOR 16 18 METER ANTENNAS ENGR D G FULLER 6 17 93 CHK D G FULLER 6 17 93 PROD APVD FINISH Form 722179 Rev B 1 ViaSat Inc 4356 Communications Drive Norcross GA 30093 479821 B APPLICATION REVISION QTY NEXT ASSY USED ON REV DESCRIPTION DATE APPROVED A REVISED AND REDRAWN PER ECR 11637 10 12 94 D G ...

Page 182: ...th spacing 00 01 02 Third tier 48 panels at 7 5 degrees azimuth spacing 00 00 41 Fourth tier 48 panels at 7 5 degrees azimuth spacing 18 meter antenna only 00 00 36 Dimension from Theodolite elevation axis to 16 Meter Antenna 18 Meter Antenna Radius Height Angle Radius Height Angle Main reflector vertex 0 10 75 NA 0 10 75 NA Top of Panel Feed Mounting Ring 0 10 75 NA 0 10 75 NA Top of Theodolite M...

Page 183: ...na size _________ meters ViaSat program manager ____________________________ Customer _________________________________ Installation location _________________________________ Figure 1 Panel Contour Alignment Target Map looking into reflector April 23 2004 ViaSat 479821B page 3 ...

Page 184: ...5 0 010 0 015 1 Tier 1 Outside 118 000 87 12 47 87 12 47 17 7 9 6 19 3 28 9 2 Tier 2 Inside 125 000 86 26 06 86 26 06 16 7 9 1 18 7 27 2 3 Tier 2 Outside 209 820 78 56 16 78 56 12 9 8 5 2 10 5 15 7 4 Tier 3 Inside 216 820 78 24 37 78 25 07 9 5 5 1 10 1 15 2 5 Tier 3 Midway 287 830 73 42 56 73 41 31 7 1 3 8 7 5 11 3 6 Tier 3 Outside 340 650 70 46 58 70 40 41 5 8 3 2 6 4 9 5 7 Tier 4 Inside 347 650 ...

Page 185: ...___________ Customer _________________________________ Installation location _________________________________ 16 and 18 Meter Target Final Readings 18 Meter Only Target No Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 April 23 2004 ViaSat 479821B page 5 ...

Page 186: ...______ Customer _________________________________ Installation location _________________________________ 16 and 18 Meter Target Final Readings 18 Meter Only Target No Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 April 23 2004 ViaSat 479821B page 6 ...

Page 187: ...______ Customer _________________________________ Installation location _________________________________ 16 and 18 Meter Target Final Readings 18 Meter Only Target No Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 April 23 2004 ViaSat 479821B page 7 ...

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