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DX Engineering DXE-7580FS-VA, Manual, Page: 1 / 40

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      75/80 Meter 
         Full Size 
   Quarter-Wave 
Vertical Antenna

 

 

                      DXE-7580FS-VA-3 

                                                          US Patent No. 8,130,168 

 
 
                                                                   DXE-7580FS-VA -3-INS   Revision 1 

 
 
 
 
 
 
 
 
 

 

© DX Engineering 2012 
P.O. Box 1491 ∙ Akron, OH 44309-1491 USA 
Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 
Fax: (330) 572-3279 ∙ E-mail: [email protected] 

Summary of Contents for DXE-7580FS-VA

Page 1: ...na DXE 7580FS VA 3 US Patent No 8 130 168 DXE 7580FS VA 3 INS Revision 1 DX Engineering 2012 P O Box 1491 Akron OH 44309 1491 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330...

Page 2: ...nd using the Optional DXE VRW 1 Manual Winch 18 General Information about Aluminum Tubing 21 Assembling the Vertical Sections 22 Lowering or Raising the Vertical Element Assembly 29 Feedline Connectio...

Page 3: ...operate on 75 80 meters Included with this antenna system is a rugged heavy duty stainless steel pivot fixture for ease of assembly and adjustments Engineered with 6063 corrosion resistant aluminum tu...

Page 4: ...come into contact with such circuits When installing the antenna take extreme care not to come into contact with such circuits because they may cause serious injury or death Overhead Power Line Safety...

Page 5: ...lines structures and other antennas by a minimum of 78 feet 68 10 ft safety rule Consider overhead power lines utility cables and wires The further away the vertical is mounted from local noise sourc...

Page 6: ...ions and when operating the pivot function Make the hole deep enough to accommodate at least 4 feet of pipe and 4 to 6 inches of gravel at the bottom for drainage Set the mounting pipe on the gravel u...

Page 7: ...imals Grass will quickly overgrow the radials and it will be virtually impossible to see them An article describing this process is available on the DX Engineering website in the Tech Info section Rad...

Page 8: ...to allow access to the radial wire mounting hardware see Figure 1 Connections to the antenna will be made via the optional DXE 112 KIT chassis mount SO 239 connector The DXE RADP 3 Radial Plate comes...

Page 9: ...nded wire with black PVC insulation 20 Terminal Lugs and 100 Steel or Biodegradable Lawn Staples The DXE RADW 1000K BD Radial Wire Kit contains a 1 000 foot spool of 14 gauge copper stranded wire with...

Page 10: ...9 Figure 3 Overall Super Duty Pivot Base US Patent No 8 130 168 Assembly Reference Drawing...

Page 11: ...our 3 8 hex nuts Assemble the bottom hinge to the bottom of the heavy duty Extren insulated channel as shown below Tighten the hardware 3 Locate the three 4 Cast Saddle Clamps three 4 x 3 8 x 6 813 lo...

Page 12: ...heavy duty Extren insulated channel as shown below Tighten the hardware 5 Locate the stainless steel base side bottom hinge two 1 2 13 x 1 3 4 long stainless steel hex head bolts two pivot bushings fo...

Page 13: ...the end of the hex nuts the two U Bolts to the stainless steel base side bottom hinge as shown below The U Bolts will be tightened in a later assembly step 7 Locate the stainless steel Pivot Base Winc...

Page 14: ...U Bolts to the Pivot Base Winch Mount as shown below The U Bolts will be tightened in a later assembly step 9 Locate four 3 8 16 x 1 1 4 long stainless steel hex bolts eight stainless steel 3 8 flat...

Page 15: ...unting pipe to the bottom side of the winch mounting plate Position the base fixture in the position you pre selected for the pivoting direction Straighten out the U Bolts perpendicular to the mountin...

Page 16: ...ously installed U Bolts Step 9 Insert the 4 OD x 72 bottom element section into the antenna base section through the three U Bolts with the feed point at the bottom facing front as shown below The bot...

Page 17: ...ex nuts the two U Bolts and associated hardware to the antenna hook mounting plate as shown below The U Bolts will be tightened in the next assembly step 13 Loosen the U Bolts enough to slide the Ante...

Page 18: ...less steel external tooth lock washers two 1 4 stainless steel flat washers and two stainless steel 1 4 20 hex nuts Install the feedpoint hardware at the bottom of the 4 OD bottom element in the pre d...

Page 19: ...Kit is the stainless steel hardware for mounting the winch on the pivot base assembly The hardware includes three 3 8 16 x 1 3 8 long stainless steel hex bolts six stainless steel 3 8 16 flat washers...

Page 20: ...ts Tighten the hardware to hold the winch in place Connect the Hook from the manual winch strap to the Antenna Hook Mount as shown below To remove the winch simply reverse this sequence The winch shou...

Page 21: ...crank on the manual winch to lower or raise the antenna After raising the antenna completely make sure you replace the four bolts that were removed in step 3 The manual winch should be removed when no...

Page 22: ...ishing method used in manufacturing Our aluminum tubing is machine cut on both ends and machine slit on one end Although DX Engineering manufactured aluminum tubing is deburred you should further assu...

Page 23: ...ad Cap Screw 1 3 00 OD x 72 long 120 wall 8 drilled holes 8 5 16 Stainless Steel Flat Washer 1 2 75 OD x 48 long 120 wall 4 drilled holes 4 5 16 18 Stainless Steel Nyloc Hex Nut 1 2 75 OD x 48 long 12...

Page 24: ...23...

Page 25: ...Figure A 1 below is an overall layout of all the vertical elements with hardware shown for reference The 4 OD element which is already mounted on the base pivot assembly is shown for reference Figure...

Page 26: ...them enough to hold but not tight enough to deform the aluminum elements Figure A 2 Note you will install the 2 75 x 48 x 120 wall tube INSIDE the 3 OD section aligning the mounting bolt holes then i...

Page 27: ...tainless steel Nyloc nuts example shown in Figure A 4 When tightening the bolts and Nyloc Nuts tighten them enough to hold but not tight enough to deform the aluminum elements Assemble the 2 25 OD ele...

Page 28: ...27 Using a tape measure and felt tip pen all of the slit tubing elements need to be marked as follows for overlap as shown in Figure A 5 Figure A 5...

Page 29: ...cond clamp is located right next to the larger element See Figure A 7 Figure A 7 To avoid damage to the element clamps do not over tighten them The slits on the top 1 2 OD section are not needed unles...

Page 30: ...nual Mounting and using the Optional DXE VRW 1 Manual Winch for detailed information DANGER When raising or lowering the vertical antenna make sure you have not inadvertently located the antenna under...

Page 31: ...shield will have a positive and reliable connection to the radial field Figure F 1 Feedline connection using an optional DXE 112 KIT SO 239 Chassis Mount with the optional DXE RADP 3 Radial Plate Opt...

Page 32: ...nded ground radial system installed and the vertical dimensions described in this manual Resonance is adjusted by the length of the vertical element sections To raise the frequency slide the top 1 2 O...

Page 33: ...pivot locking bolts are in place and properly secured Additionally you may replace one of the bolts with a padlock to further prevent tampering or accidental pivoting as shown below Ensure all four Pi...

Page 34: ...Stainless Steel U Bolt 8 3 8 16 x 1 3 4 Long Stainless Steel Square Neck Carriage Bolt 2 1 2 13 x 1 3 4 Long Stainless Steel Hex Head Cap Screw 4 1 2 x 1 1 4 Stainless Steel Washer 2 1 2 Stainless Ste...

Page 35: ...s on one end 2 5 16 18 x 5 Stainless Steel Hex Head Cap Screw 2 5 16 18 x 4 1 4 Stainless Steel Hex Head Cap Screw 8 5 16 Stainless Steel Flat Washer 4 5 16 18 Stainless Steel Nyloc Hex Nut 2 1 4 20 x...

Page 36: ...4 3 8 Split Lock Washer 15 34 3 8 16 Nut 16 8 3 8 16 x 1 375 Long Hex Head Cap Screw 17 4 3 Cast Saddle 18 4 3 x 3 8 x 5 25 Stainless Steel U Bolt 19 8 3 8 16 x 1 3 4 Long Stainless Steel Square Neck...

Page 37: ...tenna and want an easy neat and effective way to connect those essential radial wires to your antenna system for the highest efficiency and strongest signals DXE SSVC 3P Stainless Steel V Clamp for 2...

Page 38: ...500K or 1000K Radial Wire Kits and Components To achieve optimal performance with a ground mounted vertical install as many radials as possible These bulk radial wire kits use insulated wire that is U...

Page 39: ...intenance 100 count 6 Pins 11 Gauge DXE STPL 100P Radial Wire Anchor Pins 100 pack DXE STPL 300P Radial Wire Anchor Pins 300 pack DXE STPL 100BD Radial Wire Staple Biodegradable 3 100 pack DX Engineer...

Page 40: ...ther work unless such charges are authorized in advance by DX Engineering If DX Engineering s products are claimed to be defective in material or workmanship DX Engineering shall upon prompt notice th...

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