Andrew 5.6-Meter ESA Скачать руководство пользователя страница 54

Medium-Speed Antenna Lubrication Points

5

9

10

6
7
8

4

1
2
3

Local

Motor

Control

Heater

Control

Pressure

Fitting

Pressure

Fitting

Gearbox

Level

Gearbox

Drain

Gearbox

Level

Gearbox

Drain

Polarization

Drive Gear

Worm Gear

Pillow

Blocks (2)

Pressure

Fitting

Pressure

Fitting

54

Preventive Maintenance

Содержание 5.6-Meter ESA

Страница 1: ...http www andrew com Customer Service 24 hours U S A Canada Mexico 1 800 255 1479 U K 0800 250055 Republic of Ireland 1 800 535358 Other Europe 44 1592 782612 Sept 2004 Copyright 2004 by Andrew Corpor...

Страница 2: ...oning 11 Tripod Ground Mount Assembly 12 Azimuth Beam Assembly 12 Support Legs Assembly 13 Panning Frame Assembly 16 Elevation Jackscrew Assembly 23 Azimuth Jackscrew Assembly 25 Mount Assembly 25 Ref...

Страница 3: ...le tripod mount features self aligning bearings for the elevation pivots resulting in zero backlash This mount can be operated manually but has the ability to be upgraded for motorized operation inclu...

Страница 4: ...enance practices All designs specifications and availabilities of products and services presented in this manual are subject to change without notice Copyright 2004 Andrew Corporation 4 Introduction 2...

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: ...nnas 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 with at least...

Страница 7: ...per installation of the 5 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 1 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: ...Foundation 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 availab...

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: ...d ground mount assembly All ground mount hardware is type A 325 Lubricate all A325 bolt threads with supplied stick wax Note Do not tighten hardware until ground mount installation is complete unless...

Страница 13: ...own in Figure 5 Attach 200083 angles to 201313 beam assembly as shown in Figure 5 Use 7 8 x 2 1 4 in 57 mm bolts and nuts for each connection Installation Procedures Figure 5 Attach 200088 joint assem...

Страница 14: ...d be installed back to back with the flat of angle facing upwards Tighten supports until assembly can support itself Installation Procedures Figure 7 Attach 201301 201302 rear pad assembly to 201315 s...

Страница 15: ...side of support Supports should be installed back to back with the edges forward and the flats of angles facing rear Installation Procedures Figure 9 Attach 201317 supports between angle pairs as show...

Страница 16: ...16 Attach 201487 panning frame to 201544 azimuth pivot assembly as shown in Figures 11 and 12 Use 7 8 x 2 1 4 in 57 mm hardware Bolts should connect from panning frame to pivot assembly Installation P...

Страница 17: ...ttach 201295 201296 joint assemblies to panning frame as shown in Figures 13 and 14 Use 7 8 x 2 1 4 in 57 mm hardware Insert bolts from panning frame to joint assembly Installation Procedures Figure 1...

Страница 18: ...midpoints of support pairs Use 7 8 x 2 1 4 in 57 mm hardware for each connection Installation Procedures Figure 15 Attach 201458 azimuth pivot assembly to 201316 support pairs Attach 201596 mount ing...

Страница 19: ...2 1 4 in 57 mm hardware Insert bolts from inside panning frame assembly Installation Procedures Figure 17 Attach 201488 outrigger plate to opposite end of 201487 panning assembly Attach 201481 201482...

Страница 20: ...sert bolts from inside assembly to outrigger plate Installation Procedures Figure 19 Attach 201407 elevation axis assembly to 201487 panning frame assembly and 201295 joint assemblies as shown in Figu...

Страница 21: ...1 Attach 300029 tripod joint bracket to 201407 elevation axis assembly as shown in Figure 22 Use 7 8 x 2 1 4 in 57 mm bolt flatwasher under bolt and under nut and nut Insert bolts from elevation axis...

Страница 22: ...wn in Figure 23 Use 7 8 x 2 1 4 in 57 mm bolt flatwasher and nut Insert bolts from channel leg to joint bracket Figure 24 Figure 23 Attach 300010 tripod tube weldment to 300026 tripod channel legs as...

Страница 23: ...assembly to 201596 mounting plates as shown in Figure 25 Tighten connection Use 7 8 x 2 1 2 bolts and nuts Figure 25 Loosen rubber boot from end of jackscrew Turn elevation drive screw to extend jack...

Страница 24: ...bolt Fasten with heavy hex nut and flatwasher according to A 325 procedure with the exception of tightening the nut 1 2 turn from snug condition Tighten jam nut in accordance with A 325 procedure Appl...

Страница 25: ...prevent scratching jackscrew tube Note Ensure jackscrew assembly remains fully retracted at this time Figure 29 Apply RTV to flange surface as shown in Figure 29 Fasten jack to pivot using 7 8 x 2 3 4...

Страница 26: ...tion Procedures Attach rear pad assemblies to rear foundation pads as pictured in Figure 31 Figure 31 Connect beam assembly using 7 8 x 2 1 4 in 57 mm hardware Tighten supports to beam assembly per A...

Страница 27: ...1327 joint assembly with 7 8 x 2 1 4 hardware from pivot assembly to joint assembly as shown in Figure 32 Figure 32 Attach 201458 azimuth pivot assembly to 201408 beam assembly with a line of RTV arou...

Страница 28: ...nt assembly with 1 x 2 1 2 in 63 mm hardware Note Mounting position of azimuth pivot jackscrew assembly is dependent upon azimuth range requirements and corre sponds with mounting position of 201488 o...

Страница 29: ...d lower collars of pin assembly at end of azimuth jack Do not retighten these collars Apply supplied Loctite to pin threads and nuts Attach 1 1 2 in 38 mm hex nuts to top and bottom of azimuth jackscr...

Страница 30: ...30 Installation Procedures...

Страница 31: ...31 Installation Procedures...

Страница 32: ...32 Installation Procedures...

Страница 33: ...33 Installation Procedures...

Страница 34: ...34 Installation Procedures...

Страница 35: ...35 Installation Procedures...

Страница 36: ...36 Installation Procedures...

Страница 37: ...37 Installation Procedures...

Страница 38: ...38 Installation Procedures...

Страница 39: ...tenna on the desired satellite There are several procedures that may be used to properly acquire the satellite Andrew recommends that a spectrum analyzer be used The following procedures provide expla...

Страница 40: ...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 41: ...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 42: ...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 43: ...of the subreflector should be adjusted downward by loosening the screws between the subreflector and the struts and adjusting the bottom side of the subre flector downward An easy way to remember thi...

Страница 44: ...The following paragraphs describe the inspection and preventive maintenance proce dures for the earth station These instructions include general cleaning and inspection the preservation of metal parts...

Страница 45: ...ired or replaced immediately or at the conclusion of the inspection procedure Inspection of the local control motor drive controller conforms generally to standard visu al inspection procedures on ele...

Страница 46: ...e water entry to the enclosed electrical components in order to maintain a waterproof condition Check or change humidity absorber Inspection of the antenna conforms generally to standard visual inspec...

Страница 47: ...resolvers for a secure mechanical attachment Ensure proper torquing of polarization drive gear box setscrews and appropriate tensioning of corresponding drive chain assembly if applicable Check if ap...

Страница 48: ...able the RF transmitter and all power supplies The main disconnect switch in the main load center box at the antenna site must be in the ON position and the LOCAL REMOTE switch in the local control mo...

Страница 49: ...s rotat ing carefully use a clamp on ammeter in accordance with the ammeter manufacturer s instructions to take current readings off each of the three conductors phases connect ed to the load side of...

Страница 50: ...the primed surfaces and blend with the existing painted surface Remove all loose paint and corrosion by scraping wire brushing or using steel wool Edges of existing paint can be blended with the metal...

Страница 51: ...ew assemblies to ensure adequate lubrica tion Loosen Jackscrew boot clamps to expose the lifting screw assembly Fully extend jackscrew assembly being careful not to exceed preset mechanical limits Bru...

Страница 52: ...iate Gearbox I C Pipe Plugs SHC624 34 Oz Fill and Drain 9 Polarization Drive Gear X Brush SHC32 Minimum Surface Coverage 10 Feed Rotation Worm Gear X Pressure Fitting SHC32 2 Pillow Blocks X Lubricate...

Страница 53: ...re Fitting Gearbox Fill Gearbox Vent Gearbox Level Gearbox Fill Gearbox Vent Gearbox Level Polarization Drive Gear Worm Gear Pillow Blocks 2 Note Medium speed motors shown for illustrative purposes on...

Страница 54: ...7 8 4 1 2 3 Local Motor Control Heater Control Pressure Fitting Pressure Fitting Gearbox Level Gearbox Drain Gearbox Level Gearbox Drain Polarization Drive Gear Worm Gear Pillow Blocks 2 Pressure Fit...

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