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Andrew ES76PK-1, Инструкция по установке, эксплуатации и обслуживанию

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Andrew ES76PK-1 Скачать руководство пользователя страница 36

Step 5

Step 6

38

Installation Procedures

Carefully raise and attach pre-assembled subreflector/strut assembly to corresponding
subreflector strut supports as shown in View A-A (Figure 23) and Figure 25 using sup-
plied hardware.

Securely tighten all subreflector/strut assembly mounting hardware except for floating
ring hardware shown in Figure 25. Remove temporary nylon slings.

3/4” Adjustment Hardware, 3 Places
(Part of 222459)

Figure 25

Содержание ES76PK-1

Страница 1: ...7 6 Meter Earth Station Antenna Revision D Notice The installation maintenance or removal of antenna systems requires qualified experienced personnel Andrew installa tion instructions have been writte...

Страница 2: ...ation 12 Azimuth Jack Arm Installation 14 Azimuth Jackscrew Assembly 16 Elevation Jackscrew Assembly 19 Reflector Backstructure Assembly 20 Reflector Alignment 27 Theodolite Installation 27 Reflector...

Страница 3: ...egree continuous elevation adjustment This large adjustment range provides non critical foundation orientation and the ability to view geo stationary satellites from horizon to horizon from any locati...

Страница 4: ...Proprietary Data Information and Assistance Notice Technical Assistance The technical data contained herein is proprietary to Andrew Corporation It is intended for use in operation and maintenance of...

Страница 5: ...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 described and...

Страница 6: ...quire 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 with at least one prefer...

Страница 7: ...per installation of the 7 6 Meter Earth Station Antenna Tool Size Quantity Open End or Combination Wrenches 5 16 Inch 2 7 16 Inch 2 9 16 Inch 2 7 8 Inch 2 3 4 Inch 2 1 2 Inch 2 1 1 4 Inch 1 Crane 2 To...

Страница 8: ...ures when filing a claim with the carrier 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 to adequately describe...

Страница 9: ...nce 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 packi...

Страница 10: ...tion 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 befo...

Страница 11: ...omplete 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...

Страница 12: ...ground mount hardware is type A325 Lubricate all A325 bolt threads with supplied stick wax Note Do not tighten hardware until ground mount installation is complete unless otherwise instructed Use a c...

Страница 13: ...edestal to within 0 1 degrees Tighten each anchor bolt to 912 lb ft 126 kg m as shown in Figure 4 Note Tighten each bolt using no more than 300 lb ft 41 5 kg m at a time in tightening sequence shown U...

Страница 14: ...Loosely fasten the two halves 303545 101 303545 3 of the support struts 303545 1 together using 7 8 bolt nut and washer Secure the struts into place keeping clipped end of angles toward strut anchor...

Страница 15: ...jack are supplied loose this hardware must be torqued once the jack is installed and aligned see Figure 7 Install Azimuth Trunnion Pin 302164 Use 3 8 x 1 in capscrew washer and lock washer Installatio...

Страница 16: ...rm as shown in Figure 8 Use Azimuth Pin 302168 and 3 8 x 1 in capscrew washer and lock washer Installation Procedures Figure 8 AZ Jack Pin 302168 1 1 4 Washer 9997 188 2 AZ Jack 302281 AZ Jack Pin 302...

Страница 17: ...03725 and 3 8 x 1 in capscrew washer and lockwash er Figure 10 The ground mount assembly is now completed with the necessary essentials All ground mount options have seperate instructional bulletins l...

Страница 18: ...ur tempo rary wood support blocks The blocks should be positioned equally around the enclo sure s perimeter Remove the Rear Enclosure Panel With one person inside the enclosure and one per son on the...

Страница 19: ...ck Nut 9979 54 Truss Short Strut 300077 Truss Short Strut 300077 Section A A View D D View C C Section B B Install Target Screws 1 2 13x1 0 Shoulder Bolt 9858 18 1 2 Washer 9997 101 1 4 Spacer 209765...

Страница 20: ...rdware loose Figure 13 View A A Eccentric Bolt 300084A Washer 9997 101 1 2 Locknut 9979 54 Outer Strut 300079 Outer Strut 300079 View B B 1 2 x1 2 Shoulder Bolt 9858 19 1 2 Washer 9997 101 3 8 Washer...

Страница 21: ...300080 Truss Plate 300081 View A A Hardware installed at Step 3 Figure 12 View D D 5 8 x2 0 Bolt Nut 45980 1 Washer 9997 227 Spacer 209765 1 Section B B 5 8 x1 0 Shoulder Bolt 9858 22 5 8 Washer 9997...

Страница 22: ...llation drawing 240159 supplied with the antenna install the Rotating Tube Assembly at this point Figure 15 Section A A 5 16 x3 4 Screw 209236 5 16 Lockwasher Panel 222677 Inboard Skirt 300082 2 View...

Страница 23: ...rib hardware as shown in Figure 15 View B B finger tight only Panels should be added opposite to each other to balance the enclosure assembly first attach panel 1 and panel 2 then panel 3 and panel 4...

Страница 24: ...attached tighten all hardware NOTE The Cross Struts are the last item to be assembled to insure the ease of Reflector Panels to be mounted on top side of the ribs Figure 16 300078 3 8 x1 1 4 Bolt 996...

Страница 25: ...ackets which should be tight The subreflector struts should not be attached to the reflector at this time During alignment do not step on drum skin or directly on ribs This will affect the theodolite...

Страница 26: ...lector seam screws must first be removed in these locations Be sure that target screws are fully seated on the rib surface not the reflector surface This is best done during assembly of Reflector Back...

Страница 27: ...to the reflector are fully tightened Any loose hardware will cause improper theodolite align ment 2 1 Calibration Sequences 1 Leveling sect 2 2 2 Centering sect 2 3 3 Adjust Height sect 2 4 4 Repeat...

Страница 28: ...ntering as indicated below 2 3 Centering Centering of the theodolite is accomplished with the x y dual axis translation stage refer to Figure 18 This device has 2 sets of micrometers and 2 sets of loc...

Страница 29: ...the upper body of the device Ensure torque tube does not rotate when adjusting precision lift After the leveling and centering is accomplished the theodolite must be adjusted to be in line with the s...

Страница 30: ...eir maximum upper limit This is accomplished by turning the cambolt until the mark on head of the hex bolt is pointing toward the rib along the axis of the angle strut see Figure 19 View C 2 2 Make su...

Страница 31: ...deg of the theodo lite crosshair Do not tighten any hardware at this time 3 4 1 Repeat the procedure described in 3 4 for all 16 inboard target screws at location EL2 3 4 2 Travel around the reflector...

Страница 32: ...individual adjustment fully tighten the cambolt nut on the rib being adjusted 3 6 3 Repeat all 16 adjustments again This time after each individual adjustement fully tighten seam hardware 23 22 21 20...

Страница 33: ...ly onto the pedestal Attach and tighten using indicated hardware in Figure 22 Note After attaching the reflector the crane may now be removed while the antenna is in the zenith position Figure 22 Lift...

Страница 34: ...3x Adjustment Stud Mounting Holes Subreflector Kit 222459 Strut Support 300089 4 Floating Ring 202161 1 2 x2 1 2 Bolt 9963 335 Lockwasher 9974 4 Nut 9999 109 Angle Clip 300088 4 1 2 x2 1 2 Bolt 9963...

Страница 35: ...should be positioned according to Step 3 and at the 2nd and 3rd seam holes from the outboard end of the rib Refer to Figure 25 Position and loosely attach pre assembled Subreflector Floating Ring ass...

Страница 36: ...responding subreflector strut supports as shown in View A A Figure 23 and Figure 25 using sup plied hardware Securely tighten all subreflector strut assembly mounting hardware except for floating ring...

Страница 37: ...s and slide subreflector appropriately to achieve the 0 062 in 1 5mm differential Make sure to re tighten bolts when finished Refer to Figure 25 Use measuring tape to set indicated dimension between b...

Страница 38: ...ntenna on the desired satellite There are several procedures that may be used to properly acquire a satellite Andrew recommends that a spectrum analyzer be used The follwing procedures provide expla n...

Страница 39: ...nsponder signals are maxi mized follow the same procedure manually moving the antenna in elevation scanning up and down to further maximize the transponder signals Repeat this procedure alternating be...

Страница 40: ...creases deceases and then increases again but to a lesser value the antenna is moving in the wrong direction reverse the direction of the antenna move ment From the original null point the signal leve...

Страница 41: ...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 F...

Страница 42: ...the acronym BOLD Bold Out Left Down Each of these adjustments should be repeated until each sidelobe is of equal distance from the peak of the mainlobe After the BOLD and WOLD adjustments have been m...

Страница 43: ...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 44: ...malfunctioning component or module In the absence of any special inspection requirements operational tests are the most effective means in isolating parts and assemblies requiring further inspection A...

Страница 45: ...eads Check metallic parts for corrosion dents distortion and other deformation Check for evidence of water inside the enclosure If any water is in evidence check that all seals are intact and if not u...

Страница 46: ...cal compo nent and or structural deformation Check the cable attachment to the resolvers and to the LNA or LNB s and enclosure mount interface for security the cable rouging for secure hanger attachme...

Страница 47: ...possible equipment degradation and shortened life Any current reading taken during the follow ing procedure that varies by more than five percent from the pre established reference values necessitates...

Страница 48: ...ors the readings should agree with each other within two percent Turn the AZIMUTH switch to OFF Repeat steps 5 with the AZIMUTH EAST WEST switch in the alternate operating posi tion Turn the ELEVATION...

Страница 49: ...ressurized spray If necessary thin the paint with the appropriate thinner to the proper consistency Thoroughly paint over the primed surfaces and blend with the existing painted surface Remove all loo...

Страница 50: ...grees Fahrenheit 29 degrees to 149 degrees Celsius Periodically inspect lifting screws on jackscrew assemblies to ensure adequate lubrica tion Loosen Jackscrew boot clamps to expose the lifting screw...

Страница 51: ...vot Points X Pressure Fitting SHC32 2 6 Azimuth Turntable Bearing X Pressure Fitting SHC32 2 X Lubricate I Inspect C Change Inspection requires checking for visible signs of oil leakage draining repla...

Страница 52: ...Antenna Lubrication Points 3 4 1 2 Local Motor Control 54 Preventive Maintenance Gearbox Drain Gearbox Level Pressure Fitting 5 Pressure Fitting 5 Pressure Fitting 6...

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