Hy-Gain AV-640 Instruction & Assembly Manual Download | Manualshive

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FIGURE F

Stub Assembly

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Summary of Contents for AV-640

Page 1: ...TION ASSEMBLY MANUAL 308 Industrial Park Road Starkville MS 39759 WARNING You can be killed if the antenna feedline or the equipment used to install the antenna accidentally contacts utility lines Never install an antenna near utility lines ...

Page 2: ...640 Parts 8 Assembly Procedure 11 Installation Procedure 16 Tuning Procedure 17 Maintenance 18 Technical Assistance 18 Warranty 30 Illustration Page Chart A 19 Chart B 19 Figure A 20 F i g u r e B 2 1 F i g u r e C 2 2 Figure D 23 Figure E 24 Figure F 25 Figure G 26 Figure H 27 Figure I 28 Figure J 29 WARNING Improper installation and assembly can be hazardous Read these instructions thoroughly be...

Page 3: ...struction of the AV 640 is designed for extreme light weight and high wind survival Aircraft grade 6063 T832 aluminum and high strength fiberglass are used for the entire radiator The trap free design presents a very low wind surface area Bulky tubing is not required to support unwieldy traps The broad 2 1 VSWR bandwidth on all bands lessens large frequency shifts seen in other antennas when the a...

Page 4: ...ength radiator There is minimal loss using this method as compared to standard trap circuits Also VSWR bandwidth is not restricted by the Q of trap components On 15 meters the center radiator is terminated with a capacity hat to form a 3 8 wavelength radiator No stub or coil is used on 15 meters For 20 30 and 40 meters a coil and capacity hat are used on each band to create a 3 8 wavelength radiat...

Page 5: ...0 1500 500 15 500 1500 1500 500 12 500 1500 1500 500 10 1500 1500 1500 500 6 1500 300 300 100 WARNING Always mount this antenna so that it is out of the reach of adults as well as children and pets The counterpoise rods can cause injury and or severe RF burns NEVER mount this antenna in a location that will permit unsuspecting people to come in contact with any part of the antenna NEVER mount this...

Page 6: ...om allowing hazardous voltages from appearing indoors and creating a shock hazard The support mast should be grounded with a large diameter ground wire The AV 640 is DC grounded for static discharge This is accomplished with a choke coil in the Matching Unit This coil could fail under high voltage spikes from a near or direct lightning strike Additional protection can be accomplished by grounding ...

Page 7: ...ts any utility lines Never install an antenna near power lines Be careful while climbing and carrying the antenna It is heavy enough to cause you to lose your balance if it is handled too casually or if any part of the antenna snags on a gutter ladder tree or other item Mount the antenna high enough and in the clear so that it is out of reach by any person or pet Do not allow trees or other struct...

Page 8: ... 1 2 x 12 BA 1 20 AV640 2 Radiator Section 1 1 2 x 72 BB 1 20 AV640 3 Radiator Section 13 8 x 75 BC 1 20 AV640 4 Radiator Section 1 1 4 x 75 BD I 810 0640 9 Radiator Section 5 8 x 36 BE 1 17 AV640 9 Small Tube Bundle ST 1 17 AV640 10 Spoke Bundle BS 1 738 0620 Antenna Mounting Plate AM 1 Small Tube Bundle Part Number Part Description ID Number Quantity Received 810 0620 21 Stub Section 1 4 x 36 CG...

Page 9: ...nsert SS N3 8 662 20005 1 4 20 x 2 Bolt SS S8 4 662 25005 1 4 20 x 2 1 2 Bolt SS S9 4 705 2520SNL 1 4 20 Nut Nylon Insert SS N5 8 745 31005 1 Hose Clam SS HC2 1 745 31505 1 1 2 Hose Clam SS HC1 3 810 0620 16 Stub Slice 3 16 x 1 1 2 SS 3 745 3108 Counterpoise Ring SS RI 2 765 1009 Plastic Ca 1 4 C1 3 765 1062 Plastic Ca 5 8 C2 1 Parts Bag 2 Part Number Part Description H Number Quantity Received 73...

Page 10: ... Insulator Single Stub Insulator Dual Stub Base Bracket P N 738 2602 Qty 2 P N 737 8100 Qty 5 P N 735 1611 Qty 1 Plastic Plastic Aluminum ID P2 ID P3 ID SB2 Single Stub Base Bracket Radiator Clamp Bracket P N 735 1618 Qty 2 P N 735 1610 Qty 16 Aluminum Aluminum ID SB1 ID RB ...

Page 11: ...ions Place 1 hose clamp HC 1 over the slotted end of tubing section BC Slide unslotted end of BD tubing section 6 inches 15 cm into BC Tighten hose clamp Place 1 hose clamp HC 1 over the slotted end of tubing section BD Insert AV 640 Coil Assembly LI 4 inches 10 cm into tubing section BD Tighten hose clamp Place 1 hose clamp HC2 over the slotted end of coil assembly AV 640L1 Slide an end of tubing...

Page 12: ...tors are labeled C Attach 90 Degree Stub Insulators P1 to a Radiator Bracket RB using 2 6 32 x 3 8 screws S1 and 2 6 32 Keps nuts N1 as shown in Figure D Attach Single Stub Insulators P3 to a Radiator Bracket RB using 2 6 32 x 3 8 screws S l and 2 6 32 Keps nuts NI For Three Stub Insulators attach a Single Stub and a 180 Degree Stub Insulator P3 P2 to a Radiator Bracket RB using 2 6 32 x 1 2 screw...

Page 13: ... x 19 rod CA the ends are tapped at different lengths Thread an end of tubing section CE onto the 1 tapped length end of rod CA Thread it on at least 3 4 2 cm and carefully tighten with pliers until it is tight against rod CA Do not compress the tubing where it is threaded onto the rod Thread a stub splice SS into the end of tubing section CE at least 3 4 2 cm until it is tight inside the tube Thr...

Page 14: ...10 meter stub length L10 according to the desired operating frequency in Chart A Page 19 Select the 12 meter stub assembly and slide the threaded end through top of the proper 90 degree stub insulator Continue feeding the stub through the next three insulators Attach the stub in the 12 meter Stub Base Bracket hole using 2 10 32 standard nuts N2 and a 10 Lockwasher W l as shown in Figure G Set 12 m...

Page 15: ... to the base insulator IN with 2 6 32 x 1 3 4 screws S5 and 2 6 32 Keps nuts NI Loosely attach the counterpoise rings RI together with 8 10 32 x 3 8 screws S6 and 10 32 nylock nuts N3 Place the 7 72 inch 183 cm counterpoise whips CW into the slots provided in the sides of the rings The slot facing the Matching Unit MU does not receive a whip Tighten the 10 32 nuts N3 around the rings to secure the...

Page 16: ...in Figure J The shorter spokes will be on the bottom end of the coil and the longer spokes will be on the upper end of the coil The 40 spokes are spares Tighten all hardware on the ring assemblies The formed ends of the spokes can be positioned in any direction NOTE For tuning 15 20 30 meters the lengths of a spoke is adjusted as shown in Figure J 1 15 L20 L30 Since the AV640 has a broad low VSWR ...

Page 17: ...r VSWR bandwidth than the specifications chart lists Be sure to use very low power less than 5 watts when measuring VSWR at the antenna base The AV 640 has few variables in its design Therefore VSWR should be very close to specifications Each band can be adjusted individually Refer to Chart A Page 19 for antenna dimensions and use Chart B Page 19 to calculate the amount of adjustment needed to pla...

Page 18: ...640 should be inspected mechanically at least once a year Normal wear and tear varies significantly with climate Anti Oxidation paste such as NoAIOX or others can be applied to the radiator tubing sections Use small amounts Do not place the paste on the coax connector or inside of the Matching Unit Inspect the inside of the Matching Unit on a regular basis Remove dirt bugs or questionable material...

Page 19: ...is antenna is designed to prevent shipping damage Please reuse the original shipping carton if possible Hy Gain will not be responsible for shipping damage on returned items with improper packing Band Portion L40 L30 L20 L17 L15 L12 L10 See Figure A J J G J G G C W 28 23 11 161 5 116 102 CENTER 21 23 10 161 5 116 101 S S B 18 N A 9 160 4 116 99 Band Portion L6 See Figure G 50 52 MHz 55 52 54 MHz 5...

Page 20: ...FIGURE A AV 640 Center Radiator Assembly ...

Page 21: ......

Page 22: ...FIGURE C Installation of AV 640 Stub Base Brackets ...

Page 23: ...FIGURE D Installation of Stub Insulators ...

Page 24: ...FIGURE E Installation of Stub Insulators ...

Page 25: ...FIGURE F Stub Assembly ...

Page 26: ...Figure G Stub Installation ...

Page 27: ......

Page 28: ...M U FIGURE I AV 640 Antenna Mounting Plate Assembly ...

Page 29: ......

Page 30: ...ranty provided the product is returned postage prepaid to hy gain with a personal check cashiers check or money order for 8 00 covering postage and handling 3 Under no circumstances is by gain liable for consequential damages to person or property by the use of any hy gain products 4 Out of warranty Service by gain will repair any out of warranty product provided the unit is shipped prepaid All re...

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