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Andrew 4.9-Meter Earth Station Antenna, Эксплуатация и обслуживание

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Reflector to

Ground Mount

Assembly

Step 1

28

Installation Procedures

Using 5/8” shackles, attach four 16 foot chokers provided to reflector lifting lugs. Lift
reflector as shown in Figure 18.

Figure 18

16 Ft Choker

(4 Straps)

Tag

Lines

206278

Lifting Tab

Reference Drawing 240299

The ground mount assembly is now completed with the necessary essentials. All ground
mount options have separate instructional bulletins located in the parts kit that contain
the option.

The next step in the installation process is the reflector assembly. Proceed to the next
step to begin installation of the reflector.

Содержание 4.9-Meter Earth Station Antenna

Страница 1: ...r Earth Station Antenna Revision G Notice The installation maintenance or removal of antenna systems requires qualified experienced personnel Andrew installa tion instructions have been written for su...

Страница 2: ...ved 8 Returning Equipment 9 Overview 10 Foundation Preparation 10 Foundation Notes 12 A325 Tensioning 13 Reflector Backstructure Assembly 14 Subreflector Support Brackets 18 Rotating Tube Assembly 20...

Страница 3: ...des the ability to view geostationary satellites from horizon to horizon from any location worldwide The motorizable pedestal tube mount may be purchased which features self aligning bearings for the...

Страница 4: ...ts of improper or unsafe installation and maintenance practices All designs specifications and availabilities of products and services presented in this manual are subject to change without notice Cop...

Страница 5: ...manual is divided into five distinct sections each dealing with a specific technical topic relating to either system or component subsystem information The sections con tained in this manual are descr...

Страница 6: ...ion of antennas may require persons to work at elevated work stations Whenever persons are working at eight or more feet above the ground and not on a guarded platform they should wear safety belts wi...

Страница 7: ...2 1 3 16 Inch 2 1 1 4 Inch 2 1 5 16 Inch 2 1 3 8 Inch 2 1 7 16 Inch 2 1 1 2 Inch 2 1 5 8 Inch 2 1 9 16 Inch 1 3 3 16 Inch 1 Pipe Wrench 3 Inch Opening 1 Spud Wrench 1 1 4 Inch 1 Crane 15 Ton 1 Nylon C...

Страница 8: ...rier s agent Failure to adequately describe such external evidence of loss or damage may result in the carrier refusing to honor a damage claim The form required to file such a claim will be supplied...

Страница 9: ...ce the sales order and purchase order as well as the date the equipment was received Pack the equipment in its original container with protective packing material If the origi nal container and packin...

Страница 10: ...ndation specifications are provided by Andrew and may be used as a reference by civil engineering personnel when preparing the foundation for local soil conditions These specifications are available b...

Страница 11: ...11 Installation Procedures Figure 1b Foundation Preparation...

Страница 12: ...soil resistivity levels will determine final grounding system design to comply with the following A All ground ring ground rod and antenna structure connections to be EIRCO products Inc Calweld exoth...

Страница 13: ...mplete tighten the bolts until the surfaces are joined and the nuts are snug for example full effort of a person using an ordinary spud wrench Do not proceed with Steps 5 and 6 unless the connection i...

Страница 14: ...ing the A325 Hardware tensioning procedure mentioned previously Figure 3 302649 Hub Assembly 302648 Short Strut 1 2 Hex Nut 9999 61 1 2 Lock Washer 9974 64 3 8 Hex Nut 9999 60 3 8 Lock Washer 9974 63...

Страница 15: ...tighten hardware at this time Note Observe placement of 209765 1 1 4 Spacer between the long and short struts Figure 5a 302511 Rib 5 8 x 1 2 Shoulder Bolt 9858 36 302648 Short Strut 302648 Short Stru...

Страница 16: ...e Note All 302512 Skirts are to be installed before the 302510 reflector panels are installed on the ribs Figure 6 1 4 20 x 1 1 4 Socket Head Capscrew 45055 2 302510 Reflector Panel 302512 Skirt 1 4 L...

Страница 17: ...site each other to ensure proper balancing of the enclosure assembly Panel 1 Panel 7 Panel 4 Panel 10 etc as shown in Figure 7 All panels are interchangeable except panels 1 2 and 12 due to Logo posit...

Страница 18: ...of reflector seam holes from reflector center as shown in Figure 8 Note Do not fully tighten lifting tab hardware at this time Figure 8 206278 Lifting Tab 1 4 x 1 1 4 Socket Head Capscrew 45055 2 1 4...

Страница 19: ...y tighten subreflector support bracket hardware at this time Figure 9 Check reflector panels to ensure seam widths are even and panels are not overlapped or interfering with each other If needed gentl...

Страница 20: ...e feed rotating tube assembly install reflector panel 6 as described in Step 6 on page 17 Tighten reflector panel seam hardware in concentric circles in a clockwise direction beginning with inner hard...

Страница 21: ...upport kit is to be installed ensure these installations are complete before installing the combiner Note When installing the feed combiner rotate the feed tube all the way in either direc tion The po...

Страница 22: ...igure 13 Note Observe bracket positioning on the strut and ensure all brack ets are orientated in the same manner Figure 12 Figure 13 3 8 x 2 1 4 Hex Head Capscrew 9963 127 3 8 Flat Washer 9997 145 30...

Страница 23: ...ubreflector assembly hardware at this time Figure 14 3 8 Flat Washer 9997 145 3 8 x 1 Hex Head Capscrew 9963 115 203039 Oversize Washer 3 8 Lock Washer 9974 63 3 8 Hex Nut 9999 60 302768 Subreflector...

Страница 24: ...n be positioned every 30 around the pedestal tube Follow the sub sequent procedures for proper installation of pedestal ground mount assembly All ground mount hardware is type A325 Lubricate all A325...

Страница 25: ...ed with 302689 anchor bolt kit Installation Procedures Figure 16 3 Ft Choker Pedestal Assembly 302677 TOP VIEW 6 Ft Choker 3 Ft Choker 3 Ft Choker 6 Ft Choker Reference Drawing 240299 To Foundation Pa...

Страница 26: ...Cavity With Non Shrinking Grout Split PVC Drain Required if Cavity is Grouted Hex Nut 9999 182 Flat Washer 9997 229 Reference Drawing 240299 Figure 17A Motorized Mount Anchor Bolts Nuts and Washers P...

Страница 27: ...d 9974 63 3 8 Lockwasher 45980 28 3 4 x 2 5 Lg Bolt Nut Assembly 9997 202 Flatwasher 303143 Az Jack Arm Spacer 45980 43 1 x 3 1 2 Lg Bolt Nut Assembly and 2 9997 180 Flatwashers 4 Places 303108 1 Az A...

Страница 28: ...18 16 Ft Choker 4 Straps Tag Lines 206278 Lifting Tab Reference Drawing 240299 The ground mount assembly is now completed with the necessary essentials All ground mount options have separate instructi...

Страница 29: ...Flat Washer 9997 202 3 4 x 2 1 4 A325 Bolt and Nut Assembly 45980 25 3 4 x 2 1 4 A325 Bolt and Nut Assembly 45980 25 302677 Pedestal Assembly Top of Hub Assembly Reference Drawing 240299 Figure 19A Mo...

Страница 30: ...bly to the reflector as shown in Figure 20 Note All INTELSAT Type Approved antennas do not require further subreflector adjust ment after performing Steps 2 thru 8 All Type Approved antennas are requi...

Страница 31: ...the shortest distance Adjust the height of the subreflector to within 1 32 1 mm of the set ting rod Center the subreflector using dimension A Refer to Figure 22 for subreflector center ing adjustment...

Страница 32: ...tion angle After you have completed the assembly of your antenna you are now ready to become operational In order to operate the earth station antenna you will need to direct it to the desired satelli...

Страница 33: ...analyzer be used The following procedures provide explanation as to how to use the spectrum analyzer While viewing the spectrum analyzer screen a signal as shown in Figure 4 1 will proba bly be observ...

Страница 34: ...me condition occurs Return to the position yielding the greatest amplitude The maximum azimuth excursion from the original setting should not exceed plus or minus 1 5 degrees or the antenna may begin...

Страница 35: ...r the antenna is aligned in azimuth and elevation signal maximized and 24 transponder signals 12 horizontal and 12 vertical are noted the polarization adjustment is set incorrectly and must be modifie...

Страница 36: ...the spectrum analyzer screen determine the specific antenna system and satellite parame ters Rotate the feed assembly as required until the appropriate odd or even transpon der signals are maximized...

Страница 37: ...wn If your pattern dictates a need to adjust the elevation angle the right sidelobe requires adjustment the bottom side of the subreflector should be adjusted downward by loos ening the screws between...

Страница 38: ...that all discrepancies have been corrected The following paragraphs describe the inspection and preventive maintenance proce dures for the earth station These instructions include general cleaning and...

Страница 39: ...hat may preclude continued proper operation of the earth sta tion prior to the next scheduled inspection should be noted The discrepant condition should be corrected repaired or replaced immediately o...

Страница 40: ...condition If the enclosure is provided with a vent fan check for free operation of the fan blade The fan bearings are permanently lubricated any binding abnormal noise or vibration necessi tates repl...

Страница 41: ...with the appropriate thinner to the proper consistency Thoroughly paint over the primed surfaces and blend with the existing painted surface Remove all loose paint and corrosion by scraping wire brush...

Страница 42: ...range is 85 degrees to 300 degrees Fahrenheit 29 degrees to 149 degrees Celsius Preventive Maintenance Lube Components Frequency Type Type No of Lube Point to be Months of of Points or No Lubricated...

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