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Chapter 5 • Adjusting the antenna azimuth and elevation

1037752-0001 Revision A

3. Turn the handle to adjust the elevation. As shown in

Figure 33, the pointer on the lockdown nut indicates the value
in the elevation scale. For example, the antenna shown in the
figure is adjusted to 42°.

4. Tighten the two lockdown nuts on either side of the Az/El

mount using a ½-inch socket and torque wrench to secure the
elevation setting in place.

Figure 32: Adjusting the elevation

Figure 33: Elevation marker

Содержание AN8-098R

Страница 1: ...1037752 0001 Revision A June 17 2008 98m Ka Band Antenna Installation Guide Model AN8 098R ...

Страница 2: ...t Hughes Network Systems LLC shall not be liable for errors contained herein The information in this document is subject to change without notice Hughes Network Systems LLC makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Trademarks Hughes HughesNet Hughes Network Systems and SPACE...

Страница 3: ...used in this manual This section introduces the various types of warnings used in this manual to alert you to possible safety hazards DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous ...

Страница 4: ...ort arms radio transmitter and antenna reflector respectively These labels advise that the antenna emits radio frequency RF energy Because of this potential safety hazard observe all cautions on these labels and in the next section Antenna installation safety Feed support arm Reflector back side Transmitter Safety alert labels on the antenna assembly ...

Страница 5: ...injury or death Walk only on sound roof structures Make sure the antenna assembly and installation surface are structurally sound so that they can support all loads equipment weight ice and wind Use safety equipment for example a lifeline appropriate for the work location Follow all manufacturer safety precautions for all safety and other equipment used Perform as many procedures as possible on th...

Страница 6: ...g forces on the antenna surface CAUTION If the antenna or mount assembly begins to fall during the installation do not attempt to catch it Move away and let it fall WARNING Antennas that have been improperly installed or attached to an unstable structure are susceptible to wind damage which can be very serious or even life threatening The product owner and installer assume full responsibility that...

Страница 7: ...which a person might be expected to stand and 3 ft 3 inches from any opening such as a door or window in a building or adjacent structure The antenna must be mounted such that no object that could reasonably be expected to support a person is within 6 ft 7 inches of the edges of a cylindrical space projecting outward from the antenna reflector toward the satellite If the above distance requirement...

Страница 8: ...titutional environment must carry a Radiation Hazard Caution sign on the access door gate or permanently mounted access ladder within plain sight of anyone approaching the antenna from the front or sides of the reflector Failure to observe these cautions could result in injury to eyes or other personal injury Note Some installations may require additional precautions See the HughesNet Antenna Site...

Страница 9: ...Chapter 2 Antenna parts and required tools 7 Antenna kit components 7 Az El mount assembly 9 Reflector bracket and tilt plate 10 Antenna reflector 10 Feed support arms and tailpiece 11 Radio assembly 12 Feed horn and collar 12 Elevation handle 13 Related Components 13 Tri mast or other antenna mount 13 Small hardware parts list 14 Tools 15 Chapter 3 Installing the antenna and radio assembly 17 Det...

Страница 10: ...y onto the mast pipe 30 Chapter 4 Cabling and connections 33 Cabling requirements 33 Routing the cables at the antenna 34 Connecting the transmit and receive cables 36 Transmit cable 36 Receive cable 37 Ground connections 38 Chapter 5 Adjusting the antenna azimuth and elevation 39 Adjusting the elevation 40 Adjusting the azimuth 42 Acronyms and abbreviations 45 Index 47 ...

Страница 11: ...flector bracket 21 14 Attaching the tailpiece 22 15 Insert first bolt into top hole 22 16 Attaching the antenna reflector rear view 23 17 Positioning the radio 24 18 Attaching the radio assembly to the tailpiece 25 19 Determining the polarization setting 26 20 Adjusting circular polarization collar removed 27 21 Remove the protective seal from the polarizer 28 22 Attaching the feed horn 29 23 Maki...

Страница 12: ... Figures xii 1037752 0001 Revision A Chapter 5 31 Elevation adjustment components 40 32 Adjusting the elevation 41 33 Elevation marker 41 34 Loosen the Az El canister 42 35 Adjusting the azimuth 43 ...

Страница 13: ... Tables 1037752 0001 Revision A xiii Tables Chapter 2 1 Small hardware parts 14 2 Tools and additional materials required to assemble and install the antenna 15 Chapter 3 3 Torque specifications 18 ...

Страница 14: ... Tables xiv 1037752 0001 Revision A ...

Страница 15: ...n on tasks related to antenna installation These topics are included in the following sections The model AN8 098R antenna on page 1 Antenna installation summary on page 2 Tasks related to antenna installation on page 4 The model AN8 098R antenna Each satellite modem at a customer site requires an antenna and radio assembly to communicate with both the system satellite and the Network Operations Co...

Страница 16: ...which they are to be performed For more detailed information on each task refer to the chapters and documents listed 1 Explain the installation process to the customer 2 Conduct a site survey with the customer to identify a suitable location for the antenna See the HughesNet Antenna Site Preparation and Mount Installation Guide 1035678 0001 for details Figure 1 The Hughes AN8 098R 98m Ka band sate...

Страница 17: ...ry See Chapter 3 Installing the antenna and radio assembly 10 Install the feed horn See Chapter 3 Installing the antenna and radio assembly 11 Attach the Az El mount and antenna assembly to the antenna mast pipe See Chapter 3 Installing the antenna and radio assembly 12 Install the IFL transmit and receive cables between the satellite modem and the antenna See Chapter 4 Cabling and connections 13 ...

Страница 18: ...red before installing the antenna It is the property owner s responsibility to obtain all permits Install the antenna in accordance with local building codes Installing the antenna mount Before installing the antenna you must first install a suitable antenna mount If the system requires a pole mount installation be sure to obtain information about the underground utilities in the proposed location...

Страница 19: ...t grounding practices the Hughes Field Service Bulletin FSB HNS Broadband Requirements for RG 6 and RG 11 IFL Cable Connectors Ground Blocks and Ground Block Location FSB 050518_01 and applicable parts of the National Electrical Code NEC Approved cables For a list of approved cables for the IFL between the antenna and the satellite modem see the Hughes FSB IFL Cable Approved List with lengths for ...

Страница 20: ...Chapter 1 Overview 6 1037752 0001 Revision A ...

Страница 21: ... page 7 Small hardware parts list on page 14 Tools on page 15 Antenna kit components This section identifies and describes the main components of the 98m Ka band antenna kit The antenna kit is shipped in three containers Figure 2 identifies the contents of each container CAUTION Metal components may contain sharp edges Use care when un packing and handling antenna parts Note To avoid potential dam...

Страница 22: ...te Feed support arms and tailpiece Feed horn Elevation handle Antenna reflector Radio assembly Related components not shown Tri mast or other antenna mount The following sections describe each component of the antenna kit Figure 2 Antenna kit components Note The radio assembly is shipped separately and may not arrive at the same time as the other two cartons ...

Страница 23: ...ister the elevation scale and the fine azimuth and fine elevation tools The Az El canister supports the antenna The fine azimuth and elevation tools are used to finely adjust the azimuth and elevation of the reflector during antenna pointing The elevation scale is used to measure the antenna s elevation during the pointing phase Figure 3 Az El mount assembly ...

Страница 24: ... to rotate so that it can be adjusted for proper tilt The reflector bracket plate attaches to the Az El mount assembly Figure 4 shows the reflector bracket and tilt plate Antenna reflector The antenna reflector shown in Figure 5 focuses the transmitted and received RF signals It attaches to the reflector bracket Figure 4 Reflector bracket and tilt plate Figure 5 Antenna reflector ...

Страница 25: ...ce The feed support arms attach to the antenna assembly at the reflector bracket The tailpiece is mounted to the ends of the feed support arms and supports the radio assembly and feed horn CAUTION To avoid damage to the antenna reflector handle it with care After assembly do not use the reflector to rotate the antenna Figure 6 Feed support arms and tailpiece ...

Страница 26: ...e block converter LNB transmit receive isolation assembly TRIA and polarizing waveguide Feed horn and collar The feed horn shown in Figure 8 attaches to the polarizer on the radio assembly by way of the two piece collar The feed horn gathers the reflected signal from the reflector and focuses it toward the LNB Figure 7 Radio assembly Figure 8 Feed horn and collar ...

Страница 27: ...na kit it is described here because it is the most commonly used mounting option for the AN8 098R Ka band antenna As shown in Figure 10 the tri mast can be positioned in a number of configurations to adapt it for mounting onto surfaces of various angles For other suitable antenna mounting options see the HughesNet Antenna Site Preparation and Mount Installation Guide 1035678 0001 Figure 9 Elevatio...

Страница 28: ...ch hex head self tapping bolts 4 Feed support arms to reflector bracket Figure 13 on page 21 5 16 inch flat washers 4 5 16 inch x 1 inch hex head self tapping bolts 4 Tailpiece to feed support arms Figure 14 on page 22 5 16 inch flat washers 4 5 16 inch lock washers 4 5 16 inch hex nuts 4 5 16 inch x inch carriage bolts 5 Reflector to Az El mount assembly Figure 16 on page 23 5 16 inch serrated fl...

Страница 29: ...t lb Long shaft hexagonal Allen wrench 7 64 inch For Allen screws with a 7 64 inch hexagonal socket Driver shaft should be at least 5 inches long Torque wrench for hexagonal socket Must fit a 7 64 inch hexagonal socket and be capable of torquing to 15 in lb Bubble level Used to make sure that the mast is plumb Compass Used to determine antenna azimuth Pencil Carpenter s pencil Weather grade silico...

Страница 30: ...Chapter 2 Antenna parts and required tools 16 1037752 0001 Revision A ...

Страница 31: ...ssembly onto the mast pipe on page 30 Determining the pointing values Before installing the antenna you must install and power up the satellite modem Refer to the appropriate satellite modem installation guide for instructions Once the satellite modem is operational connect it to your laptop using an Ethernet cable then use your global positioning system GPS receiver to calculate the exact latitud...

Страница 32: ...e to follow the instructions in this chapter in the order they are presented Tightening hardware Do not tighten any nuts or other hardware until instructed to do so See also the next item Torque Torque To ensure successful installation of the antenna it is critical that you tighten all nuts and socket head screws to the maximum torque values shown in Table 3 Note The outside diameter of the mast m...

Страница 33: ...ng the reflector bracket in position lay the tilt plate over the opening in the reflector bracket so that the letter A on the tilt plate lines up with the letter A on the arm of the Az El mount as shown in Figure 12 on page 20 Because the hole pattern in the tilt plate is not symmetrical be sure that the two A indicators are aligned 3 Insert five carriage bolts inch 1 inch into the holes in the ti...

Страница 34: ...own in Figure 12 Installing the feed support arms and tailpiece Installation of the feed support arm is a two step process First you must connect the two feed support arms to the reflector bracket then you will connect the tailpiece sometimes referred to as the beaver tail to the ends of the feed support arms 1 Insert the feed support arms into the two sockets at the bottom of the reflector bracke...

Страница 35: ...6 inch inch self tapping bolt with flat washer into each hole in the feed support arms then tighten until secure 3 Attach the tailpiece to the free ends of the two feed support arms as shown in Figure 14 using four 5 16 inch x 1 inch self tapping bolts flat washers lock washers and nuts Figure 13 Attaching the feed support arms to the reflector bracket ...

Страница 36: ...ttach the antenna reflector to the reflector bracket 1 Insert a 5 16 inch x inch carriage bolt through the top hole of the reflector as shown in Figure 15 and place a 5 16 inch flange nut on the bolt from the back Do not tighten at this time Figure 14 Attaching the tailpiece Figure 15 Insert first bolt into top hole ...

Страница 37: ...a bracket as shown in Figure 16 3 Insert the remaining four carriage bolts into the holes in the reflector and through the corresponding holes in the bracket as shown in the figure 4 Secure the bolts at the back of the reflector bracket using four 5 16 inch flange nuts Figure 16 Attaching the antenna reflector rear view Note Ensure that the carriage bolts are firmly seated into the square holes in...

Страница 38: ...tailpiece so that the waveguide end of the radio is nearest to the reflector as shown in Figure 17 2 Insert two 5 16 inch inch self tapping bolts with flat washers and lock washers up through the tailpiece from underneath and into the threaded sockets on the bottom of the radio transmitter as shown in Figure 18 3 Tighten the two bolts with a wrench until secure Figure 17 Positioning the radio ...

Страница 39: ...e installation calls for left hand circular polarization LHCP or right hand circular polarization RHCP Once you determine which polarization setting is required check the position of the polarizer waveguide to determine whether an adjustment is necessary From the rear of the radio looking toward the reflector you can easily determine whether the polarizer is currently set for LHCP or RHCP by the w...

Страница 40: ...rizer from the TRIA and rotate it one quarter turn clockwise for LHCP and counter clockwise for RHCP until the appropriate notch lines up with the key on the end of the TRIA As shown in Figure 20 the LHCP notch is adjacent to the L on the polarizer and the RHCP notch is adjacent to the R on the polarizer 3 Reseat the waveguide with the TRIA and reassemble the collar Figure 19 Determining the polar...

Страница 41: ...Chapter 3 Installing the antenna and radio assembly 1037752 0001 Revision A 27 Figure 20 Adjusting circular polarization collar removed ...

Страница 42: ...on the radio assembly shown in Figure 21 2 Remove the dust cap from the stem of the feed horn and insert the O ring into the groove inside the stem 3 Position the feed horn against the waveguide as shown in Figure 22 4 As shown in the figure fit the two sections of the feed horn collar around the ridge at the point where the feed horn meets the polarizer Figure 21 Remove the protective seal from t...

Страница 43: ...n A 29 5 Insert and tighten two Allen screws into the collar to secure the feed horn in place 6 At this point fully tighten any hardware that is not tight however leave nuts that are used for pointing adjustments slightly loose or just snug Figure 22 Attaching the feed horn ...

Страница 44: ...b The mast must be plumb before you install the antenna assembly Check the mast at two locations 90 apart as shown in Figure 23 2 Slide the Az El mount assembly canister down onto the mast pipe as shown in Figure 24 Figure 23 Making sure the mast is plumb T0144012 Top view To make sure the mast is plumb check with the level in two positions at right angles to each other Level Mast 2nd level positi...

Страница 45: ...its orientation the antenna should look similar to the one shown in Figure 25 Figure 24 Installing the antenna assembly onto the mast Note For vertical mounts fill all holes with weather grade silicon sealer before inserting bolts or screws For horizontal mounts fill all holes with the appropriate asphalt based synthetic rubber or acrylic co polymer roof sealant ...

Страница 46: ...na and radio assembly 32 1037752 0001 Revision A To proceed with the installation you must route the IFL Tx and Rx cables between the antenna and the satellite modem See Chapter 4 Cabling and connections Figure 25 Assembled antenna ...

Страница 47: ... For a list of approved cables for the intra facility link IFL between the antenna and the satellite modem see the Hughes FSB IFL Cable Approved List with lengths for SPACEWAY Domestic Installations FSB 080202_01 The FSB lists the maximum cable length for each approved cable type for all relevant radio types Because it is impossible to predict the requirements specific to each installation site yo...

Страница 48: ...e feed support arms to the rear of the transmitter in a configuration similar to that shown in Figure 26 2 Leave a 10 foot service loop secured to the mast Az El mount assembly or reflector bracket Note Do not exceed the minimum bending radius specified by the cable manufacturer Figure 26 Transmit and receive cable configurations Note 1 Do not leave the service loop on the roof or other mounting s...

Страница 49: ...arms to the LNB in a configuration similar to that shown in Figure 26 above 5 Leave a 10 foot service loop secured to the mast Az El mount assembly or reflector bracket 6 Coil the extra cable leave a drip loop and secure the Rx cable with cable ties Note Do not exceed the minimum bending radius specified by the cable manufacturer Note 1 Do not leave the service loop on the roof or other mounting s...

Страница 50: ...2 in lb with a torque wrench 4 Apply dielectric silicone grease to the connection 5 If necessary secure the cable with cable ties Note You should secure all cable connections with dielectric grease and weatherproofing tape as shown in Figure 27 However because the antenna pointing procedure requires that you disconnect the cables you should wait until the pointing process is complete before weathe...

Страница 51: ...ectrical tape to the receive connector on the LNB shown in Figure 29 3 Fill the connector with dielectric silicone grease and tighten the cable connector to 22 in lb with a torque wrench Figure 28 Transmit connector CAUTION Coaxial cables and connectors can corrode if exposed to moisture Use only compression type connectors and weatherproof them with dielectric grease and weatherproofing tape Figu...

Страница 52: ...st at the Az El mount Figure 30 shows the location of the ground screw For specific grounding procedures refer to the sources listed in Grounding on page 5 This completes the installation You must now point the antenna See the HughesNet System Ka Band Antenna Pointing Guide 1037663 0001 for details Note Although the radio transmitter contains a ground screw a separate ground wire to the radio asse...

Страница 53: ...you will perform these procedures during the antenna pointing process This chapter discusses the mechanical adjustments used to modify the position of the antenna only It does not discuss the pointing process itself For information on pointing the AN8 098R and all HughesNet Ka Band antennas see the HughesNet Ka Band Antenna Pointing Guide 1037663 0001 This chapter contains the following sections A...

Страница 54: ... loosening the two 5 16 inch elevation lockdown nuts on either side of the Az El mount Figure 31 shows the location of the nuts only one nut is shown 2 Insert the elevation handle into the hole at the bottom of the elevation adjustment tool as shown in Figure 32 and rotate it 90 to lock it in place Figure 31 Elevation adjustment components ...

Страница 55: ...3 the pointer on the lockdown nut indicates the value in the elevation scale For example the antenna shown in the figure is adjusted to 42 4 Tighten the two lockdown nuts on either side of the Az El mount using a inch socket and torque wrench to secure the elevation setting in place Figure 32 Adjusting the elevation Figure 33 Elevation marker ...

Страница 56: ... Manually point the antenna reflector in the appropriate direction as indicated on the installation reference sheet 3 Tighten the three lockdown nuts to secure the antenna in position 4 Loosen the four 5 16 inch carriage bolts on the bottom of the azimuth base shown in Figure 35 Figure 34 Loosen the Az El canister CAUTION Do not attempt to adjust the azimuth manually by pulling on the antenna refl...

Страница 57: ... base to achieve the desired azimuth angle 6 Verify the azimuth with a compass and lock down the four 5 16 inch carriage bolts on the bottom of the azimuth base to 177 in lb using a 1 2 inch socket torque wrench tightening opposing corners uniformly Figure 35 Adjusting the azimuth Note Azimuth measurements are calibrated relative to true north not magnetic north ...

Страница 58: ...Chapter 5 Adjusting the antenna azimuth and elevation 44 1037752 0001 Revision A ...

Страница 59: ...Foot pounds G GPS Global positioning system H hr Hour hours I IFL Intra facility link L LHCP Left hand circular polarization LNB Low noise block converter M m Meters N NEC National Electrical Code NOCC Network Operations Control Center R RF Radio frequency RHCP Right hand circular polarization Rx Receive T TRIA Transmit receive isolation assembly Tx Transmit ...

Страница 60: ... Acronyms and abbreviations 46 1037752 0001 Revision A ...

Страница 61: ...n description 12 installing 28 29 Feed support arms description 11 installing 20 G Grounding 5 ground screw location 38 H Hardware parts list 14 I IFL 5 33 Installation site determining 4 Installation summary of steps 2 Installing antenna mount 4 5 13 pole mount installation requirements 4 az el mount 19 20 feed horn 28 29 feed support arms 20 22 radio assembly 24 27 reflector 22 23 reflector brac...

Страница 62: ...odem installing 5 Site survey conducting 2 Summary of installation steps 2 T Tailpiece description 11 installing 20 22 Tasks related to installation 2 4 Tilt plate description 10 installing 19 20 Tilt scale 19 20 Tool list 15 Torque 18 Transmit cable connecting 36 routing 34 Transmitter 12 connecting 36 Tri mast 13 ...

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