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Hy-Gain AV-680, Instruction Manual

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Hy-Gain AV-680 Instruction Manual Download Page 26

Top u-bolt will sit
between these
two bolts. Rotate
bracket until bottom
bolt does not interfere
with mount.

FIGURE I

Mounting Plate Assembly

Install the Antenna side first and
tighten. You will not be able to
access the nuts after the mast
is installed.

Parts
NB2

4 X 555747

5/16 x 18 nut

SW2 4 X 564792

5/16 split washer

UB2

2 X 543792

5/6 U-bolt

SB2

2 X 195902

Steel saddle bracket

NB1 4 X 010209

3/8 x 16 nut

SW1 4 X 010208

3/8 split washer

UB1 2 X 013209

3/8 u-bolt

SB1 2 X 170035

AL saddle bar

MB

1 X 735-0680 Mast Bracket

UB1

UB2

SB1

SB2

NB2

NB1

NB2

SW2

SW1

26

Summary of Contents for AV-680

Page 1: ...308 Industrial Park Road Starkville MS 39759 USA Ph 662 323 9538 Fax 662 323 6551 INSTRUCTION MANUAL Made in USA MODEL AV 680 925 0680 REV A2 ...

Page 2: ...e AV 680 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 verylow 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 antenna is wet or...

Page 3: ...oer coils are connected in parallel Parallel connection separates each band to allow individual band tuning and has less loss than does series connection Also the AV 680 coils have significantly less loss than a standard trap because the AV 680 capacity hats exhibit greater capacitance than a typical trap therefore less inductance is required Antenna Location The best performance for receiving and...

Page 4: ...m 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 680 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 t...

Page 5: ... 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 structur...

Page 6: ...640 9 Radiator Section 5 8 x 36 BF 1 17 AV680 9 Small Tube Bundle ST 1 17 AV680 10 Spoke Bundle BS 1 735 0680 Antenna Mounting Plate MB 1 Small Tube Bundle 17 AV680 9 Part Number Part Description ID Number Quantity 810 0680 55P Stub Section 3 8 x 55 E1 4 810 0680 60 Stub Section 3 8 x 60 E2 2 810 0680 44 Stub Section 3 8 x 44 E3 2 810 0680 6 Stub Section 5 16 x 6 Rod CP 8 758 2764 72 Stainless Ste...

Page 7: ...ylon Insert SS N5 8 745 3110S 1 Hose Clam SS HC2 1 745 3112S 1 1 2 Hose Clam SS HC1 3 765 1002 1 8 Rod Cap 745 3108 Counterpoise Ring SS W tabs RI 2 745 3116S 16 Hose Clamp SS 3 765 1062 Plastic Ca 5 8 C2 1 Part Bag 3 Part Description ID Number Quantity 735 1618 Single Stub Base Bracket SB1 2 735 1611 Dual Stub Base Bracket SB2 1 738 0680 3 Single Stub Insulator P3 5 738 0680 1 90 Degree Stub Insu...

Page 8: ... 1 Qty 2 ID P1 180 Degree Stub Insulator P N 738 0680 2 Qty 2 ID P2 Single Stub Insulator P N 738 0680 3 Qty 5 ID P3 Single Stub Base Bracket P N 735 1618 Qty 2 ID Sb1 Radiator Clamp Bracket P N 735 1610 Qty 16 ID RB Dual Stub Base Bracket P N 735 1611 Qty 1 ID Sb2 8 ...

Page 9: ... tubing section BC Slide unslotted end of BD tubing section into BC Tighten hose clamp Place 1 hose clamp HC 1 over the slotted end of tubing section BD Insert AV 680 Coil Assembly LI 4 inches into tubing section BD Tighten hose clamp Install two sections BE and BF on top of the coil assembly Use the 6 32 x 1 screw and nut to secure BE into the top of the coil assembly Slide BF into BE three inche...

Page 10: ...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 screws S2 and ...

Page 11: ...place Assemble them on the antenna by sliding the sections down the insulators and connecting themusing the couplers CP and the small hose clamps The 10 meter uses the E1 and E3 sections which makes it slightly shorter than the 12 meter section which uses E1 and E2 Insert a coupler into the top of each section and secure it with a hose clamp SEVENTEEN METER STUB This is the longest stub and consis...

Page 12: ...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 whips Place the loose end of j...

Page 13: ... 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 Slide the 1 8 inch rod caps onto each of the rods Use caution when around the spokes they will poke you easily NOTE For tuning 20 30 40 and 80 meters the lengths of the spokes are adjusted as shown in Figure J It is suggested ...

Page 14: ... any pruning is actually required The initial length will tune the antenna to a frequency below each band Trimming the spokes will cause the resonant frequencyto go up Trim a small amount each time and recheck If you go too far and the resonant frequency is too high make a longer spoke from one of the 40 spare spokes and try again Tuning 80 meters 80 meters has an additional tapped loading coil th...

Page 15: ...rmal 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 Look for any degradation of parts High voltage static disch...

Page 16: ...na is designed to prevent shipping damage Please reuse the original shipping carton if possible Hy Gain will not be responsible for shippingdamage on returned items with improper packing BAND 80 Meters 40 Meters 30 Meters 20 Meters 17 Meters 15 Meters 12 Meters 10 Meters 6 Meters 300 KHz per inch 100 KHz per inch 150 KHz per inch 100 KHz per inch 60 KHz per inch 100 KHz per inch 50 KHz per inch 17...

Page 17: ...AV 680 L1 1 1 2 X 72 1 3 8 X 69 EXPOSED LENGTH 1 1 48 X 69 EXPOSED LENGTH BE C2 1 1 2 X 12 INSERT 3 INCHES Mount ring before tubing S8 N5 4 places FIGURE A AV 680 Center Radiator Assembly BF Connect jumper to tube 17 ...

Page 18: ... Bracket S1 N1 RB SB2 B 10 12 Meter Stub Base Bracket Antenna Base S3 BB RB N1 SB1 S1 SB1 RB N1 S1 P3 RB N1 BLACK PLASTIC ALUMINUM SB1 P3 C 17 Meter Stub Base Bracket and 6 Meter Stub Insulator SB2 RB N1 S3 Antenna Base FIGURE B Assembly of Stub Base Brackets 18 ...

Page 19: ...35 47 56 90 degree offset on this bracket 6 Meter Stub Base Bracket A 10 12 Meter Stub Base Bracket 17 Meter Stub Base Bracket and 6 Meter Stub Insulator B C FIGURE C Installation of Stub Base Brackets 19 ...

Page 20: ...ntenna Base S1 N1 S1 P3 RB N1 Antenna Base S3 BB RB N1 P3 F Single Stub Insulator P2 N1 S1 P3 RB Antenna Base N1 S3 E Three Stub Insulator D 90 Degree Stub Insulator FIGURE D Installation of Stub Insulators 20 ...

Page 21: ...rem ents measured to the TOP of each insulator D E F 90 Degree Stub Insulators Three Stub Insulators Single Stub Insulators D E F F E FIGURE E Installation of Stub Insulators Align as shown Keep corresponding holes in line 21 ...

Page 22: ... insulators Use the coupler at the top of each stub to make the element the total length given This will tune the antenna to the bottom of the band The coupler CP should be inserted about 3 inches into one tube and clamped The other tube should be slid all the way till it contacts the other tube and clamped The coupler at the end of the tube is used for final length adjustment This will lower or r...

Page 23: ...ubes with the threaded inserts in one end Use the 10 32 screw and the 10 lock washer to secure the tube to the bracket Install one in each bracket shown Thread the upper part of the tube through the insulator directly above it 6 Meter Stub 12 Meter Stub 10 Meter Stub 17 Meter Stub 6 17 12 10 FIGURE C Stub Base Brackets 23 ...

Page 24: ...6 meter 12 meter 10 meter 12 meter FIGURE G Stub Installation 55 1 2 102 1 2 116 161 17 meter stub should be opposite of shorting bar on loading coil 24 ...

Page 25: ...ng box N1 2 places S6 8 places R1 stainless ring with tabs One slot on the radial ring will be left empty This empty slot will make room for the matching box assembly Attach jumper from box to radial ring Attach to ring with clamping screws FIGURE H Conterpoise Assembly 25 ...

Page 26: ...n You will not be able to access the nuts after the mast is installed Parts NB2 4 X 555747 5 16 x 18 nut SW2 4 X 564792 5 16 split washer UB2 2 X 543792 5 6 U bolt SB2 2 X 195902 Steel saddle bracket NB1 4 X 010209 3 8 x 16 nut SW1 4 X 010208 3 8 split washer UB1 2 X 013209 3 8 u bolt SB1 2 X 170035 AL saddle bar MB 1 X 735 0680 Mast Bracket UB1 UB2 SB1 SB2 NB2 NB1 NB2 SW2 SW1 26 ...

Page 27: ... 20 meter spokes Trim 80 meter spokes with tap at top of coil Set to 4 MHZ or your highest operating point on 80 Use the tap on the coil to tune the antenna to your frequency of choice Adjust 15 meters by sliding this section in and out of the main mast Move it up to lower the operating frequency 27 ...

Page 28: ...ght screws 1 8 AL spoke 80 Meter Capacity Hat Ring cap S6 8 places Loosely fit the screws and nuts into the ring Insert the rods into the ring and tighten the screws The rings are shown further apart than they are on the loading section for illustration only You do not need to unbolt them from the tube Install the tube caps on the tips of the rods The caps can be removed for tuning if needed N1 20...

Page 29: ...Notes 29 ...

Page 30: ...30 ...

Page 31: ...31 ...

Page 32: ...ve product under warranty provided the product is returned postage prepaid to hy gain Under no circumstances is hy gain liable for consequential damages to person or property by the use of any hy gain products Out of warranty Service hy gain will repair any out of warranty product provided the unit is shipped prepaid All repaired units will be shipped COD to the owner Repair charges will be added ...

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