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500-0646A 25

2.2.9 Feed Boom Alignment

Step 1.

Use a tape measure long enough to measure the distances between the outer panel
tips and the ends of each feed boom on both sides. Make sure the measurement is
taken from the exact opposite point on each side of the main reflector. The difference
between the distances on both sides should be no more than 1/8”. If it is, loosen the
5/8" bolts at the hub feed boom connection and adjust the feed boom until it is 1/8” or
less. See Figure 19.

Figure 18. Subreflector Assembly

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Содержание 500-0646

Страница 1: ...allation Manual Important In addition to this manual the following manuals must be provided to ensure adequate information Document No Description 600 1046 Antenna Feed System Maintenance Manual PLEAS...

Страница 2: ...w gdsatcom com EXPORT CONTROL WARNING the disclosure of this document or its contents to non U S persons or the transmission of its contents outside the United States must be in compliance with U S Ex...

Страница 3: ...nformation transmitted in this document or related documents is for the benefit of SATCOM Technologies customers and is not to be disclosed to other parties verbally or in writing without prior writte...

Страница 4: ...ON OF EQUIPMENT OR THE LOSS OF MISSION EFFECTIVENESS OR LONG TERM HEALTH HAZARDS TO PERSONNEL Important Highlights an essential installation operating or maintenance procedure practice condition or st...

Страница 5: ...s designed to be integrated with various types of electronic equipment This system if integrated with high power amplifiers or traveling wave tubes will be capable of transmitting microwave energy at...

Страница 6: ...l as local building codes and fire protection standards All persons performing work on the antenna system shall also comply with the Occupational Safety and Health Act OSHA standards and all other fed...

Страница 7: ...mit Switch Installation 32 2 2 14Installing the Elevation Transducer 32 2 2 15Installing the Azimuth Transducer 34 2 2 16Electrical Installation 36 2 2 17Positioning the Antenna on the Satellite 36 2...

Страница 8: ...500 0646A vi LIST OF TABLES Table 1 Tool List 3...

Страница 9: ...Reflector Panel Assembly Order 19 Figure 15 Rotating Antenna for Feed Boom Installation 21 Figure 16 Feed Boom Assembly 22 Figure 17 Feed Boom Assembly Supports 24 Figure 18 Subreflector Assembly 25 F...

Страница 10: ...can also be retrofitted with a full line of integration options directly on the feed boom Options include transmit waveguide runs SSPAs TWTAs and receive Also LNAs LNBs and block down converters can...

Страница 11: ...d may be used to inventory the hardware Use the Work Order Bill Of Material Unit Qty and Catalogue Number to inventory the hardware Should any part be missing or if damage is apparent please refer to...

Страница 12: ...g 2 1 2 Drive Sockets each size 2 5 16 3 8 7 16 1 2 9 16 3 4 7 8 1 1 16 1 1 8 1 1 4 3 8 Drive Ratchet 15 Long 2 3 8 Drive Extension 6 Long 2 3 8 Drive Extension 10 Long 2 3 8 Drive Sockets each size 2...

Страница 13: ...500 0646A 4 Awl 1 8 Diameter 1 Pliers 2 Flat File Machinist 10 1 Adjustable Spud Wrench 1 Striking Wrench 1...

Страница 14: ...gure is an overall view of the assembled antenna and can assist the installer with locating parts and understanding the relationship between the components Note Refer to Appendix A for hardware torque...

Страница 15: ...titude installations and north in southern latitude installations Note One inch of grout may be used in tracking configurations Note The pedestal assembly should be lifted into place as an assembly us...

Страница 16: ...Figure 3 Installing the Azimuth Trunnion Step 2 Attach the azimuth jack to the azimuth trunnion Slide the azimuth jack tube through the hole on the azimuth trunnion and secure the jack to the trunnio...

Страница 17: ...500 0646A 8 Figure 4 Installing the Azimuth Jack Step 4 Install the key on the jack input shaft Step 5 Ensure that the motor face sits flush against the flange face...

Страница 18: ...m to 200 ft lbs 271 Nm Figure 5 Installing the Elevation Lugs Step 3 Mount the hub on the T head by aligning the holes on the hub brackets with the holes on the T head lugs and inserting the pins Secu...

Страница 19: ...elevation jack support assembly to the bottom of the hub with 3 4 19 05 hardware and brackets as shown in Figure 7 Note The bolted connection of the jack support assembly should face toward the front...

Страница 20: ...er screws Step 7 Install the elevation jack motor following the steps used to install the azimuth jack motor see Section 2 2 2 CAUTION IF THE MOTOR IS USED ON THE ELEVATION JACK POSITION IT SO THAT TH...

Страница 21: ...Elevation Step 2 Using a hammer insert and tap the radial alignment pins into the factory drilled holes in the hub There is one alignment pin hole near each pair of bolt holes in the radial mounting b...

Страница 22: ...e as noted in Appendix A Note Prior to assembly ensure that mating surfaces are free of dirt and debris by wiping with a clean cloth Step 4 Attach the radial beam to the hub with 1 2 x 2 12 7 mm x 50...

Страница 23: ...500 0646A 14 Figure 11 Radial Beam Installation...

Страница 24: ...500 0646A 15 Figure 12 Reflector Lacing Assembly...

Страница 25: ...om the web of the radial between the installed radial beams at the lacing hole locations with 1 2 x 1 1 2 12 7mm x 38 1mm stainless steel hardware Bolt loosely see Figure 12 The lacing will be tighten...

Страница 26: ...500 0646A 17 Figure 13 Reflector Panel Assembly...

Страница 27: ...r panels from the center outward in each direction according Figure 14 CAUTION DO NOT STAND OR LIE ON THE PANELS DURING INSTALLATION AS THIS WILL CAUSE PERMANENT DISTORTION TO THE REFLECTOR SURFACE DO...

Страница 28: ...500 0646A 19 Figure 14 Reflector Panel Assembly Order...

Страница 29: ...rom Step 2 through Step 5 above for each panel section Work from the middle toward the outer edge of the reflector See Figure 14 for order of installation Step 7 Completely tighten all the stainless s...

Страница 30: ...the other two feed boom standard mount channels and long feed boom diagonal braces to the bottom of the feed booms with 3 8 x 1 1 4 stainless steel hardware see Figure 17 Step 6 Loosely install the s...

Страница 31: ...500 0646A 22 Figure 16 Feed Boom Assembly...

Страница 32: ...d to the two subreflector brackets using the four subreflector clips with 1 4 x 3 4 6 35mm x 19 05mm stainless steel hardware The subreflector brackets are mounted to the subreflector seat with 3 8 x...

Страница 33: ...500 0646A 24 Figure 17 Feed Boom Assembly Supports...

Страница 34: ...d boom on both sides Make sure the measurement is taken from the exact opposite point on each side of the main reflector The difference between the distances on both sides should be no more than 1 8 I...

Страница 35: ...boom lacing connections or the feed boom to hub connections Figure 19 Feed Boom Alignment 2 2 10 Feed Horn Step 1 Bolt the feed horn bracket onto the installed feed boom standard mount channels with...

Страница 36: ...ring process Do not modify the mounting surfaces or hole locations Note Each feed ships separately with specific installation instructions drawings and mounting hardware Refer to these as well as the...

Страница 37: ...500 0646A 28 Figure 20 Feed Assembly Figure 21 Feed Alignment...

Страница 38: ...oom arm using one 1 x 7 8 hardware as shown in Figure 22 Repeat for other side Figure 22 Install Feed Support Kit Note If you are using a standard feed use two 2 x 7 8 hardware included in the kit to...

Страница 39: ...e kits provided by SATCOM Technologies include documentation and installation drawings Certain amplifiers converters etc are provided with documentation that is included in their appropriate boxes Ref...

Страница 40: ...RRECT POSITIONING Step 3 Slip one stop collar onto the rod and tighten it close to the hub After threading the end of the stop rod through the limit switch arm secure it with a retaining nut and attac...

Страница 41: ...contact the tripping hardware when limits are reached Drive the antenna to its retracted and extended length to adjust the switch so it trips before the jack stop is reached Reference drawing 035881...

Страница 42: ...th the groove in the resolver and tighten CAUTION DO NOT OVER TIGHTEN THE SETSCREWS AGAINST THE RESOLVER OR DAMAGE MAY OCCUR Step 5 Place the resolver assembly onto the elevation lug and install hardw...

Страница 43: ...T OVER TIGHTEN THE SETSCREWS AGAINST THE RESOLVER OR DAMAGE MAY OCCUR Step 3 Insert the resolver into the resolver bracket and secure with cleats Step 4 Line up the bracket as shown in Figure 29 and F...

Страница 44: ...500 0646A 35 Figure 29 Azimuth Resolver with Bracket Figure 30 Azimuth Resolver side view...

Страница 45: ...the inclinometer is at the desired look angle See Figure 31 2 2 19 Adjustment of Azimuth Axis Step 1 Use a compass to sight along the feed boom to locate the desired azimuth angle Note When using a c...

Страница 46: ...aft is equal to 1 of azimuth rotation Note The antenna will not need to rotate more than 1 5 from the maximum level or the antenna may receive a signal from a different satellite Step 3 With the anten...

Страница 47: ...larized system always check the feed polarity Rotate the feed to the optimum polarization setting after the antenna has been peaked on the satellite When receiving true vertical polarization the recei...

Страница 48: ...itioned at the peak signal level check or tighten the following bolts and or nuts Elevation jackscrew nuts Azimuth fine adjust collar and turning head bolts Elevation axis bolts Step 7 Once the polari...

Страница 49: ...and electronic parts require cleaning using special cleaning solvents In this case the parts cleaned need to be dried for 10 15 minutes before placing them back into operation Always disconnect power...

Страница 50: ...be necessary to cut the old boot to remove it Install a new boot over the jack and tighten the clamps to secure it It may be necessary to fold the boot on the end of the rod that connects to the pedes...

Страница 51: ...lacement at its option without charge either FCA SATCOM Technologies plant or service in the field IN NO EVENT SHALL SATCOM TECHNOLOGIES LIABILITY UNDER THIS WARRANTY EXCEED THE COST OF REPAIR OR REPL...

Страница 52: ...500 0646A A 1 APPENDIX A HARDWARE CHARTS Figures of hardware are shown actual size for convenient reference...

Страница 53: ...HDG 110 lb ft 150 Nm 5 8 X 2 1 4 HEX BOLT HDG 110 lb ft 150 Nm 3 4 X 2 1 2 HEX BOLT HDG 200 lb ft 272 Nm A54 DWG NOTE TORQUE HARDWARE TO VALUE STATED UNDER FIGURE UNLESS OTHERWISE INDICATED THESE ARE...

Страница 54: ...500 0646A A 3...

Страница 55: ...ngs or other structures If a ground mount is chosen the site should be relatively level free of underground obstructions and not be subject to excessive rainfall runoff If a roof mount is being select...

Страница 56: ...ng please notify SATCOM Technologies immediately by contacting Project Managing Department Returning Thorough consideration has been taken by SATCOM Technologies to ensure that all antenna items arriv...

Страница 57: ...nfiguration are as follows At each foundation interface location provide a direct load path for each load vector component Where feasible align axes of framing members to the vector direction of the a...

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