Andrew 3.7-Meter Earth Station Antenna manual 29i Fine Azimuth Adjustment Attachment

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Step 7

Install fine az. adjustment, attach 40188-3 thread rod to 49712-3 bracket with 9999-167

.75-10 nuts and 9997-166 flatwasher. Slide threaded rod through welded tab and fasten using 9999-167 .75-10 nuts and 9997-166 flatwasher. Note: It will be necessary to tem- porarily remove one square head bolt for fine adjusting the threaded rod. After fine adjustment it is recommended that the fine adjustment rod assembly remain in place. If the threaded rod is removed the square head bolt must be replaced.

Attach 49712-3 bracket to strut using 9956-67 U-bolt, 9999-109 .50-13 nut and 9974-4 lockwasher. See Figure 3-29i. Repeat for elevation strut.

9997-166

Flatwasher

and

9999-167

3/4” Brass Hex Nut

40188-3

49712-3Threaded Rod Bracket

9956-67

U-Bolt,

1/2” Lockwasher

and

1/2” Hex Nut

Figure 3-29i: Fine Azimuth Adjustment Attachment

42	Installation Procedures

Image 42

Contents Meter ESA Table of Contents Meter Earth Station Antenna IntroductionCustomer Service Center Proprietary Data Information and Assistance TechnicalOverview Content How to Use This ManualOverview Getting StartedRecommended Tools Getting Started Returning Equipment Step Getting Started For Mpjk Types Only Main Reflector Assembly Enclosure Assembly Reflector-To- Mount Assembly Subreflector Feed System Installation Procedures Overview Foundation PreparationTensioning Step 1b A-325 Tensioning For bolts over four diametersMount Unpacking Assembly Using a Crane Step 4b Ground Mount Assembly Base Hardware Assembly Without a Crane Step Ground Mount Assembly Alignment with Anchor Bolts6a Manual Lift 8a Ground Mount Assembly Base Hardware Motorizable Pedestal Ground Mount Assembly Step 8b Ground Mount Assembly Tiller Arm Hardware8d Ground Mount Assembly Tiller Arm Hardware Manual Pedestal Ground Mount Assembly Step 10 Waxing BoltsStep 13 Elevation and Azimuth Struts Step 17a Azimuth Strut Assembly Front 17b Azimuth Strut Assembly Rear 20 Bracket-Support Plates Top View 21a Elevation Strut Bracket Manual Actuator Assembly Step 22a Manual Actuator Assembly23 Azimuth Pivot Bracket Assembly 25a Jack Unscrew Procedure 26 Protective Boot Attachment 28a Elevation Jack Step Embedded Pipe Ground Mount Assembly Step 29b Left Side Frame AttachmentStep Elevation/Azimuth Strut Assembly 29d Elevation/Azimuth Strut Assembly29f Elevation Axis Weldment Attachment 29g Azimuth Strut/Pointer Attachment 29i Fine Azimuth Adjustment Attachment Reflector Unpacking Step 30a Domestic Pack30b Export Pack Step Assembly 31 Reflector Seam Alignment32 Seam Bolt Insertions Very Important 33c Alignment Bolt Insertions 34a Mounting Ring Placement 35a Mounting and Center Rings -35b Mounting and Center Rings Alignment Test Step 38a Enclosure Final Assembly Enclosure Pedestal Mount Only Step39a Enclosure Hardware Step Reflector-to-Mount Assembly Using a Crane Step 43 Safety Rope Tag Lines44b Crane Lift Without a Crane Step 46 Reflector to Mount 48 Enclosure Bracket Alignment Step 50a Reflector to Mount Reflector-to-Mount Assembly Embedded Pipe Ground Mount Step 52a Subreflector Strut Assembly Subreflector Step53a Subreflector Assembly 53c Subreflector Assembly 54a Subreflector Attachment Subreflector Struts Embedded Pipe Ground Mount Assembly Step Subreflector Adjustment Step Step Step Feed System Overview Acquiring a Satellite Step OperationPure Noise Signal on Spectrum Analyzer Step Polarization at 45 degrees from Optimum Setting Maximizing Odd Transponders Operation Subreflector Adjustment Preventive Maintenance Overview General Cleaning Electrical PartsPreventive Maintenance Antenna Preventive Maintenance Drive System Voltage Current Checks Step Step Pedestal Mount Bearing Pad Adjustment Preventive Maintenance Jackscrews/Motors Gear Motor/Housing Fill Drain Requirements Service Lube Quantity Andrew