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25

Mounting the Antenna Bay(s)

e. (

Figure 38

) Tighten the mounting hardware (

Figure 

, 

3

, 

23

, 

24

) on the 

threaded rods (

2

). Torque in accordance with 

Table 1

 on page 1.

Figure 38. Tighten 

mounting hardware.

f. Retouch the tower paint as necessary.
g. (2-bay or 4-bay) Repeat this chapter for the remaining bays.

Summary of Contents for Versa2une SLV

Page 1: ...Circularly Polarized FM Broadcast Antenna Versa2une SLV 1 to 4 bay full wave spaced Instruction Manual Installation Operation Maintenance ...

Page 2: ...chnical staff has a wealth of experience in the broadcast industry and is standing by to serve you in any way This manual is intended to give you a good basic understanding of your antenna its proper and safe installation startup and operation and trouble shooting and maintenance information to keep it working satisfactorily for years to come Please have everyone involved with the antenna read thi...

Page 3: ...ration instructions in this manual could lead to failure of your equipment and might even void your warranty This manual applies only to one to four bay SLV antennas SLV 1 to SLV 4 with full wave bay spacing For six to twelve bay antennas SLV 6 to SLV 12 or any size half wave spaced versions refer to the appropriate manual on our Web site ...

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Page 5: ...lete 8 Chapter 3 Bay Assembly without radomes 9 Attach the arms to the radiator 9 Figure 11 Arm hole selection 9 Figure 12 Position first arms 9 Figure 13 Channel attachment 10 Figure 14 Vertical bolts 10 Figure 15 Arm attachment complete 11 Install the feedstrap 11 Figure 16 Remove wingnut 11 Figure 17 Feedstrap to endseal 12 Figure 18 Feedstrap to arms 12 Connect the coax cable 13 Figure 19 Form...

Page 6: ...s 24 Figure 37 Adjust the heading 24 Figure 38 Tighten mounting hardware 25 Chapter 6 Connecting the Antenna single bay 27 Connect the coax feedline cable 27 Figure 39 Secure feedline cable 27 Connect the transmission line cable 28 Figure 40 Transmission line connection 28 Chapter 7 Connecting the Antenna 2 or more bays 29 Mount the power divider s 29 Figure 41 Power divider mounting two bay 29 Fi...

Page 7: ...iii Table of Contents Chapter 10 Maintenance 37 Log 37 Inspection 37 Paint 37 Return Policy 37 Chapter 11 Parts 39 Parts list 39 Table 2 Parts List 39 continued ...

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Page 9: ... will need to purge mois ture from the interior of the antenna components before applying trans mitter power and purging will be much more time consuming if the components get wet Torque specifications NOTE Use an anti seize compound to minimize galling on stainless steel threads Check the parts Check to be sure all the parts shown in Table 2 on page 39 have arrived in good condition NOTE Item cal...

Page 10: ...unting location Figure 1 Tower layout single bay antenna Remember It is YOUR responsibility to ensure that your installa tion meets all applicable codes and the centerline of radiation requirements of your FCC construction permit ...

Page 11: ...3 Preparation Figure 2 Tower layout two bay antenna ...

Page 12: ...Preparation 4 Figure 3 Tower layout four bay antenna ...

Page 13: ...5 Preparation High band or low band 87 5 98 MHz Low band 98 1 108 MHz High band Determine A dimension Figure 4 Low band and high band A dimension values ...

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Page 15: ...re 6 3 tightly against the acorn nut Figure 6 Arm assembly b c Insert the threaded rod into the arm Figure 7 4 or 5 Figure 7 Arm assembly c d Figure 8 Set the A dimension from Figure 4 to a tolerance of 1 8 3 mm Figure 8 Arm assembly d e Figure 9 Screw the hex nut against the square nut at the end of the arm to secure the threaded rod and the A dimension Figure 9 Arm assembly e ...

Page 16: ...Arm Assembly 8 f Figure 10 Repeat for the other 3 arms Figure 10 Arm assembly complete g Repeat for the other bays if applicable ...

Page 17: ...adiator to a surface or mounting it temporarily on a vertical pole a Figure 11 Identify the mounting holes to be used Figure 11 Arm hole selection CAUTION Parts 5 with the feedstrap mounting holes must be mounted diagonally across from each other as shown b Position the first arms Figure 12 4 and 5 on the radiator 6 Figure 12 Position first arms ...

Page 18: ...ignment always tighten the nuts on the vertical bolts before tightening the horizontal ones d Secure each arm with a vertical M8 bolt and hardware Figure 14 8 9 10 and 11 Torque in accordance with Table 1 on page 1 Figure 14 Vertical bolts e Tighten the nuts on the horizontal bolts Torque in accordance with Table 1 f Repeat to attach the other two arms in their correct positions Figure 15 ...

Page 19: ...chment complete Install the feedstrap a Remove the wingnut Figure 16 12 the top lockwasher and the topmost flat washer from the endseal 13 Leave the second flat washer in place Figure 16 Remove wingnut b Secure the feedstrap Figure 17 14 to the endseal ...

Page 20: ...Bay Assembly without radomes 12 Figure 17 Feedstrap to endseal c Using the M5 hardware Figure 18 15 16 17 and 18 secure the feedstrap to the innermost holes in the arms Figure 18 Feedstrap to arms ...

Page 21: ...n attach it to the connector CAUTION The minimum bending radius for 1 2 coax is 3 8 cm Do not bend it too tightly you may damage it a Form the cable Figure 19 19 to the desired shape Figure 19 Form coax cable CAUTION Do not overtighten the connectors Overtightening may damage them b Figure 20 Attach the elbow on the cable to the antenna input Torque to 18 22 lb in 21 25 kg cm Figure 20 Attach coax...

Page 22: ...es assembly of your antenna bay without radomes Figure 21 on page 14 If your antenna has multiple bays repeat this chapter for the remaining bays Then please proceed to Mounting the Antenna Bay s on page 23 Figure 21 Finished antenna bay assembly ...

Page 23: ...e radome back half a Attach a center mount channel Figure 22 7 and two end mount channels 21 to the radome back half 22 using the threaded rods 2 and M12 hardware 3 23 24 as shown b Loosely attach the clamp halves 25 to the threaded rods Figure 22 Mount channels and clamp halves to radome ...

Page 24: ...ace or mounting it temporarily on a vertical pole a Figure 23 Identify the mounting holes to be used Figure 23 Arm hole selection CAUTION Parts 5 with the feedstrap mounting holes must be mounted diagonally across from each other as shown b Position the inner arms Figure 24 4 and 5 on the radiator 6 Figure 24 Position inner arms ...

Page 25: ...back of the radome half CAUTION To ensure proper arm alignment always tighten the nuts on the vertical bolts before tightening the horizontal ones d Secure each arm with a vertical M8 bolt and hardware 8 9 10 and 11 Torque in accordance with Table 1 on page 1 Figure 25 Radome inner arms to radiator e Tighten the nuts on the horizontal bolts Figure 25 Torque in accordance with Table 1 f Repeat to a...

Page 26: ...ove the wingnut Figure 26 12 the top lockwasher and the topmost flat washer from the endseal 13 Leave the second flat washer in place Figure 26 Remove wingnut b Using the wingnut secure the feedstrap Figure 27 14 to the endseal Figure 27 Feedstrap to endseal ...

Page 27: ...gure 28 15 16 17 and 18 secure the feedstrap to the innermost holes in the arms Figure 28 Feedstrap to arms d High band only Bend the ends of the feedstrap down over the arms to allow clearance inside the radome Figure 29 Figure 29 Feedstrap ends bent down ...

Page 28: ...TION The minimum bending radius for 1 2 coax is 3 8 cm Do not bend it too tightly you may damage it a Form the cable Figure 30 19 to the desired shape Figure 30 Form coax cable b Insert the elbow end of the coax feedline cable Figure 31 19 in through the round hole in the back of the radome half 22 and connect it to the base of the endseal 13 Torque the cable fitting in accordance with Table 1 on ...

Page 29: ...the radome back half 22 Figure 32 Radome front half installation b Using splice tape Figure 33 20 provided with the antenna and Dow Corning 744 adhesive sealant 26 seal The perimeter of the center mount channel on the back of the radome and The hole in the radome back half around the coax cable Figure 33 Seal around radome openings ...

Page 30: ... of your antenna bay with radomes Figure 34 on page 22 If your antenna has multiple bays repeat this chapter for the remaining bays Then please proceed to Mounting the Antenna Bay s on page 23 Figure 34 Finished antenna bay assembly with radome back view ...

Page 31: ...post driven into the ground a Using the M12 hardware Figure 35 3 23 24 secure the threaded rods 2 to the mount channel with the end of the threaded rod extending approximately one inch beyond the surface of the channel as shown b Then use the threaded rods with M12 hardware and clamp half 25 to clamp the antenna to the tower leg or pole at the location you marked and cleared of paint Do not tighte...

Page 32: ...adomes only Similarly clamp the upper and lower end mount channels 21 to the tower leg or pole Figure 36 Do not tighten fully Figure 36 Mount the antenna bay s with radomes d Figure 37 Adjust the antenna heading Figure 37 Adjust the heading ...

Page 33: ...ighten the mounting hardware Figure 3 23 24 on the threaded rods 2 Torque in accordance with Table 1 on page 1 Figure 38 Tighten mounting hardware f Retouch the tower paint as necessary g 2 bay or 4 bay Repeat this chapter for the remaining bays ...

Page 34: ......

Page 35: ...he cable or use the connector to force the coax into shape Form the cable first then attach it to the connector CAUTION The minimum bending radius for 1 2 coax is 3 8 cm Do not bend it too tightly you may damage it CAUTION Do not overtighten the connectors Overtightening may damage them a Secure the cable Figure 39 19 to the mounting pole or tower leg using tie wraps 29 or customer supplied cable ...

Page 36: ... at the coax cable input a Figure 40 Connect the transmission line cable to the coax cable input with a gas stop if necessary Torque to 18 22 lb ft 2 4 3 Pa Seal with splice tape Figure 40 Transmission line connection b Secure the transmission line cable to the mounting pole or tower leg using customer supplied cable clamps Installation of your Versa2une is complete Please proceed to Startup NOTE ...

Page 37: ...ider s Two bay antenna Using two power divider mounting kits Figure 41 30 mount the power divider 31 to the mounting structure with its outlet ports roughly halfway between the antenna bays Locate the mounts as close to the ends of the power divider as you can Figure 41 Power divider mounting two bay ...

Page 38: ...power divider mounting kits Figure 41 30 mount the power divider 32 to the mounting structure with its outlet ports roughly halfway between the antenna bays Locate the mounts as close to the ends of the power divider as you can Figure 42 Power divider mounting four bay ...

Page 39: ...Form the cable first then attach it to the connector CAUTION The minimum bending radius for 1 2 coax is 3 8 cm Do not bend it too tightly you may damage it CAUTION Do not overtighten the connectors Overtightening may damage them a Connect the input ends of the antenna bay cables Figure 43 19 to the power divider outputs b Secure the cables to the mounting pole or tower leg using tie wraps 29 or cu...

Page 40: ...transmission line cable from the transmitter to the input of the power divider Figure 44 31 or 32 with an adapter if necessary Figure 44 Transmission line cable connection b Secure the transmission line cable to the mounting pole or tower leg using customer supplied cable clamps Installation of your Versa2une is complete Please proceed to Startup NOTE If you have any problems with installation cal...

Page 41: ...minimize reflected power if necessary a Loosen one jam nut on one arm of one antenna element and lengthen that arm by 10 mm 3 8 With personnel clear check VSWR again b If the VSWR reflected power has increased return that arm to its original setting Then shorten ALL arms by 3 mm 1 8 c If the VSWR has decreased return that arm to its original setting Then lengthen ALL arms by 3 mm 1 8 d Repeat step...

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Page 43: ...ansmitter Look for Defective RF connector Make sure connectors are in good shape and that center pins are not bent over Damage to any antenna components Paint on radiators Ice buildup on radiators Interference from other tower components especially components broken by wind or ice Change in Coverage This may be caused by the same factors that can cause high VSWR Look for VSWR changes as well Do re...

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Page 45: ...na Such a record can be invaluable for troubleshooting Inspection Whenever a rigger is on the tower for any reason it is a good idea to have him check your antenna for general condition looseness of connectors and mounts and electrical damage Paint The radiator should never be painted this will affect the VSWR Return Policy When returning any material to the factory be sure to call your salesperso...

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Page 47: ...long 6 12 24 10 20 40 3 Hex nut M12 x 1 75 15 52 104 26 52 104 4 Arm without feed strap hole marked with 2 UP sticker 2 4 8 2 4 8 99350 G505 5 Arm with feedstrap hole marked with 1 DOWN sticker 2 4 8 2 4 8 99350 G506 6 Radiator subassem bly with end seal number stickers indicate arm loca tions 1 2 4 1 2 4 99350 G502 7 Center mount chan nel 1 2 4 1 2 4 99351 01 8 Hex bolt M8 x 1 25 x 45 in hardware...

Page 48: ...k washer M5 in hardware kit 3 6 12 3 6 12 19 Coax cable section 10 ft 3 m long with elbow connec tor on output end and 7 16 DIN male connector on input end 1 2 4 1 2 4 99349 G510 20 Splice tape 1 2 4 1 2 4 92042 01 21 End mount channel n a n a n a 2 4 8 99351 02 22 Back radome half cable hole slot for radiator channel n a n a n a 1 2 4 99348 01 23 Flat washer M12 6 12 24 18 36 72 24 Lock washer M1...

Page 49: ... 4 93585 G504 28 Front radome half overlapping flange n a n a n a 1 2 4 99348 02 29 Tie wrap 36 72 144 36 72 144 TY529MX 30 Power divider mounting kit 0 2 2 0 2 2 31 Power divider 2 way 0 1 0 0 1 0 99332 G502 32 Power divider 4 way with mounting clamps 0 0 1 0 0 1 99385 G501 Table 2 Parts List continued Description without radomes with radomes 1 bay 2 bays 4 bays 1 bay 2 bays 4 bays Shively P N Ap...

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