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SteppIR YAGI URBAN BEAM Assembly Manual Download Page 5

Support: 

steppir.com/support  

⚫

  Tel: 425.453.1910  

⚫

  [email protected]    

 

Page 5

 

Pascal Villeneuve, VA2PV has done an excellent series on 

YouTube showing the unboxing and assembly of the Urban 

Beam Yagi antenna. While there has been some design changes 

it is still beneficial to watch these to get a good idea of how to 

build the antenna. He also did a comprehensive review of the 

product including the OptimizIR controller.  Below are links 

that we 

HIGHLY 

recommend you review thoroughly before 

unboxing and assembling your Urban Beam Yagi: 
 

Unboxing: 

https://www.youtube.com/watch?v=4KlkyR3S9v8 

 

Assembly: 

https://www.youtube.com/watch?v=HKLnPsXhUYE

 

 

Review:  

https://www.youtube.com/watch?v=InKqrViwrxk 

 

If typing these links in are laborious, simply go to www.youtube.com and then 

type in Pascal Villeneuve, Urban Beam, and the three links will appear. 
 
 
 
 

Special thanks to Pascal Villeneuve VA2PV for the time he spent making these in-

credible 4K HD Videos! 

Summary of Contents for YAGI URBAN BEAM

Page 1: ...age 1 REV 1 24 8 12 2022 13406 SE 32nd Street Bellevue WA 98005 l Tel 425 453 1910 l email sales steppir com This assembly manual is intended to be printed in full COLOR If the manual is printed in black and white many im portant details could be lost ASSEMBLY MANUAL ...

Page 2: ... 4 ft2 0 41 m2 Wind rating 100 mph Adjustable elements 2 Power Rating 3000 watts continuous Feed points 1 Frequency coverage 6 8 MHz 54 MHz Control cable 12 conductor shielded 22AWG Frequency Gain dBi Front to Back dB Front to Rear dB 40M 1 61 9 55 F S 30M 1 772 9 63 F S 20M 6 50 16 5 12 0 17M 6 6 21 12 6 15M 6 6 24 6 14 0 12M 6 7 18 5 15 7 10M 6 65 14 8 14 8 6M 6 15 4 0 4 0 UrbanBeam Yagi Specifi...

Page 3: ...nd the Potential for Galling 14 Antenna Overview 15 Section 1 Boom Mast Plate Assembly 16 25 Overview 16 EHU Mounting Locations 17 EHU Placement 18 EHU Overview 19 EHU Wiring 20 21 Director EHU Drawing 22 Attaching Director Mounting Plate EHU to Boom 23 Driven EHU Drawing 24 Attaching Driven Mounting Plate EHU to Boom 25 Section 2 Mounting the Boom to the Mast Plate 25 28 Mast Plate to Boom Overvi...

Page 4: ...nants for Loop Tubes 34 Attaching Sweep Couplers to Sweep Tubes 35 Connecting the Metal Loop Strut to the Sweep Couplers 36 Joining the Loop Halves Together 37 Preparing the CPVC inner guide tube diverter cone 38 Section 5 Final Assembly 39 42 Securing the element tubes to the EHU 39 40 Mounting the UrbanBeam to the Tower Mast 41 Last Steps 42 Section 6 Troubleshooting 43 44 Troubleshooting tips 4...

Page 5: ...of the product including the OptimizIR controller Below are links that we HIGHLY recommend you review thoroughly before unboxing and assembling your Urban Beam Yagi Unboxing https www youtube com watch v 4KlkyR3S9v8 Assembly https www youtube com watch v HKLnPsXhUYE Review https www youtube com watch v InKqrViwrxk If typing these links in are laborious simply go to www youtube com and then type in...

Page 6: ...Support steppir com support Tel 425 453 1910 support steppir com Page 6 ...

Page 7: ...o do is unpack the antenna and do a complete inspection Make sure nothing is missing or has been damaged in shipment 3 Do a complete inventory of every part nut and bolt Yes it takes time but it also allows you to notify SteppIR if anything is missing and allow time to get it to you before you start assembly of the antenna There is nothing more frustrating than realizing that something is missing ...

Page 8: ...s It will be somewhere below the lower band edge on each band with the antenna 3 or 4 feet above the ground on saw horses Since it is so close to the ground don t expect to see a 1 1 SWR here just look for a good indi cation of resonance something in the range of 1 5 1 to 3 1 Once it has been determined this part of the antenna is working correctly do the following Se lect the lowest band and esta...

Page 9: ...o EHU 12 10 1059 01 Polyolefin heat shrink 1 5 x 3 waterproof telescoping pole joints 8 10 1059 21 Polyolefin heat shrink 1 1 x 6 telescoping pole to sweep connection 8 10 1511 01 Sweep Diverter transition from telescoping pole to polyethylene sweep 4 10 1703 01 1 OD x 17 5 Polyethylene sweep tube 4 10 1701 01 Metal loop struts connects between adjacent sweep couplers 1 10 1018 11 1 3 4 Aluminum B...

Page 10: ...am Loop Hardware kit 1 72 0061 01 UrbanBeam Mast Plate hardware kit 1 72 0062 01 UrbanBeam Element Hardware kit ANTENNA OPTIONS 1 20 8052 01 12 pin voltage suppressor _ft 21 5002 01 12 conductor control cable length determined when ordering IMPORTANT When setting up your SDA 100 or SDA 2000 OptimizIR electronic controller be cer tain you have gone into the settings menu and en sured that the Urban...

Page 11: ...25 3 4 conical grinding stone pole tip preparation 2 10 1702 01 Loop Splice 5 inch 6 60 6000 50 Type M 312 10 SS Hose Clamp 312 Wide 1 60 9000 Allen Key UrbanBeam Loop Hardware Kit 72 0060 01 PREAMBLE QTY PART NUMBER DESCRIPTION 4 10 1601 03 1 75 x 75 Aluminum Saddle Half 4 10 1601 22 2 00 x 75 Aluminum Saddle Half 4 60 0065 5 16 x 3 5 Hex head bolt SS 4 60 0114 5 16 x 3 75 Hex head bolt SS 8 60 0...

Page 12: ...et Screw cup point UrbanBeam Element Hardware Kit 72 0062 01 ASSEMBLY KITS BILL OF MATERIALS continued PREAMBLE QTY PART NUMBER DESCRIPTION 10 60 0017 10 32 x3 4 machine screw SS 10 60 0018 10 washer SS 10 60 0019 10 32 Nylock nut SS EHU Lid Hardware Kit included in 72 0062 01 72 0054 21 QTY PART NUMBER DESCRIPTION 1 72 0009 03 Glue kit 1 09 0001 66 PVC electrical tape 1 10 1028 01 Anti Seize Stic...

Page 13: ... operates In addition the configuration drawing identifies EHU placement which is important as you progress in your installation of the antenna If you have a flat surface that is at least 48 long you can use it to make sure the two EHUs are in the same plane If you do not the use of a level for adjusting the Element Housing Units EHUs is highly recommended This is a surprisingly accurate and consi...

Page 14: ...emoval of fasteners Unfortunately little is known on how to control it but here are two ways to minimize this effect Decreasing installation RPM speed will cause less friction and decrease heat generation Lubrication used prior to assembly can dramatically reduce or eliminate galling Recommended lubricants should contain higher amounts of molybdenum disulfide such as graphite which is very commonl...

Page 15: ...The loop elements used for 40m and 30m are 50 shorter than a full size dipole element with very little sacrifice in performance 0 6dB The UrbanBeam is a dipole on 40m and 30m The UrbanBeam performs as a 2 element Yagi on 20m 6m Assembly of the UrbanBeam can be broken into phases Prepare the Boom with EHUs Mast Plate and Connector Box Prepare the Element Tubes Loop Tubes Final Assembly Testing 40m ...

Page 16: ...a channel weatherproofed with co ax seal The EHUs are then assembled to mounting plates which are in turn attached to opposite ends of the boom with clamps It s important to pay attention to the orientation of the EHUs on the boom making sure that the ESTs where the loop elements attach are positioned to be closest to the ends of the boom EHU MOUNTING OVERVIEW The Boom Assembly consists of the EHU...

Page 17: ...As you assemble each of the element housing units EHU refer to this drawing We recommend this sequence 1 Secure the driven and director element mounting plates to the boom using the correct saddles and fasteners be sure to use anti seize on all stainless steel fasteners Tighten enough to hold them in place but loose enough so you can move the mounting plates for final tightening 2 Wire the EHUs an...

Page 18: ...o EHUs on the boom One is a Driven element on 40 meters through 6 me ters while the other is a Director on 20 meters through 6 meters For the purpose of building the antenna we refer to the elements as Director and Driven elements as shown in Figure 1 01 below All the drawings in this manual are oriented so that you are looking inward at boom with the director to the left and the driven to the rig...

Page 19: ...ower is turned off of the controller damage can occur This is the number one cause of antenna installation failures so please be sure to heed the advice Figure 1 02 gives an overview of the inside of a SteppIR EHU Control cable tray for routing cable out of EHU on edge of case Element support tube EST Balun the balun is only inside EHUs that are driven elements EHU terminal header Spring reel for ...

Page 20: ...g into the terminal plug Figure 1 12 shows what the connector protector will look like The terminal header assembly consists of the terminal header and the terminal plug as shown in Figure 1 14 The plug is shipped loosely attached to the header Remove this plug when wiring and firmly plug back in when completed Follow the wire sequence in Figure 1 14 for each EHU Be careful to ensure that there ar...

Page 21: ...hown in Figure 1 17 Using the coax seal and cut into 1 inch strips as shown in Figure 1 15 You will need 3 strips The re mainder can be used to seal the driven element SO 239 connectors should you wish to Apply coax seal on top of the control cable and wrap it around the cable as shown in Figure 1 18 This will help keep water from entering into the EHU Apply the coax seal to the remaining areas of...

Page 22: ...10 Flat washer C 10 60 0019 10 Nylock nut D 4 60 0065 5 16 x3 1 2 Hex head bolt E 4 60 0046 5 16 Nylock nut F 1 70 3420 01 Director EHU G 1 10 1502 01 Element housing gasket H 1 10 1015 11 Element mounting plate I 4 10 1601 03 1 3 4 Aluminum saddle half J 5 60 0112 10 32 x 1 4 SS Set Screw cup point PREPARING THE BOOM ASSEMBLY Director EHU This hardware is in the Element Hardware Kit 72 0062 01 Th...

Page 23: ...gasket with the holes on the mounting plate Place the EHU PN 70 3420 01 onto the mounting plate and attach it using the 10 x 3 4 machine screws PN 60 0017 10 flat washers PN 60 0018 and 10 Nylock nuts PN 60 0019 as shown in Figure 1 33 Be sure that the flat washer is between the machine screw head and the EHU housing as shown in Figure 1 34 Tighten the Nylock nuts enough to compress the gasket mat...

Page 24: ...t Description A 10 60 0017 10x 3 4 Machine screw B 10 60 0018 10 Flat washer C 10 60 0019 10 Nylock nut D 4 60 0065 5 16 x3 1 2 Hex head bolt E 4 60 0046 5 16 Nylock nut F 1 70 3420 01 Director EHU G 1 10 1502 01 Element housing gasket H 1 10 1015 11 Element mounting plate I 4 10 1601 03 1 3 4 Aluminum saddle half J 5 60 0112 10 32 x 1 4 SS Set Screw cup point This hardware is in the Element Hardw...

Page 25: ...he EHU gasket PN 10 1502 01 onto the mounting plate as shown in Figure 1 22 Remove all chads from the holes for the 10 32 mounting screws Align the gasket with the holes on the mounting plate Place the EHU PN 70 3403 01 onto the mounting plate and attach it using the 10 x 3 4 machine screws PN 60 0017 10 flat washers PN 60 0018 and 10 Nylock nuts PN 60 0019 as shown in Figure 1 23 Be sure that the...

Page 26: ...ts for this step are included in the 72 0061 01 Mast Plate Hardware Kit PREPARING THE BOOM ASSEMBLY Mast Plate Key QTY PART NUMBER DESCRIPTION A 1 10 1021 43 8 x 8 x 0 250 Aluminum mast plate Part of 72 0061 01 Mast Plate Hardware Kit B 4 10 1601 03 1 75 x 75 Aluminum Saddle Half C 4 60 0065 5 16 x 3 5 Hex head bolt SS D 4 60 0065 5 16 18 SS Nylock nut E 2 60 0112 10 32 x 1 4 SS Set Screw cup poin...

Page 27: ...l the boom to the mast plate The EHU plate must be level also or this won t work When the mast plate is level with the boom tighten all of the saddle nuts firmly Don t forget to install the set screws in the saddles as shown in Figure 2 13 Only the exposed half of the saddles will require a set screw Use the 10 32 x 5 16 SS buttonhead screws to hold the 2 mast saddle halves in place on the mast pl...

Page 28: ...tion have a route to escape Don t forget to properly strain relieve your cables in the junction box by putting a zip tie on the inside of the box to prevent the cables from pulling out Use dielectric grease included in the box to protect each bare conductor and put grease on the plug header connection We also recommend using a small zip tie through the hole next to keep it permanently closed after...

Page 29: ...tenna to ensure the wiring has been completed correctly Test procedures can be found on page 31 of this manual If everything has been installed correctly the lid should swing downwards to close shut Close the lid and the assembly is complete PREPARING THE BOOM ASSEMBLY Mounting the Connector Junction Box For more information on mounting the connector junction box refer to the complete manual found...

Page 30: ...e 2 Connect each wire to the appropriate terminal and tighten using a flat head screwdriver Note that the terminals may be closed by default If so turn the terminal screw ccw 10 turns to open it be fore inserting the wires Consult the table below for the correct wiring sequence 3 Twist insert and connect the unshielded drain wire of the control cable to the G pins on the Field Splice Connector 4 P...

Page 31: ...nspect The band button allows a complete cycle out then in to home with one keystroke The purpose of this test is threefold It determines that you have the right control cable wires connected to the correct EHU i e the Driven control wires are moving the Driven element It indicates that the motors are running in the right direction Out makes the tape move out If any of the four motor wires are swa...

Page 32: ...erglass poles after chamfering it Using the conical drill bit chamfer the tips of the 40 30 poles as shown below The image below shows the proper angle to chamfer to Clean out the interior of the fiberglass poles after chamfering it Each telescoping pole uses 3 polyolefin heat shrink pieces PN 10 1059 01 Once finished the seal is secure and waterproof This product requires a heat gun for activatio...

Page 33: ...weep as shown in Figure 4 09 DO NOT PUT GLUE BETWEEN DIVERTER AND SWEEP Press firmly the shoulder of the diverter should butt up against the edge of the plastic sweep material Slide the heat shrink over the joint Center the heat shrink on the joint as much as possible so there is at least 3 of heat shrink on the poly sweep side Shrink the material with a heat gun the same way you did for the joint...

Page 34: ...the ends Cut the pole remnant to 41 5 cutting off material from the thinner end This is cut 2 Glue the sweep diverters to the pole remnants in the same way as before As earlier slide a piece of heat shrink past the diverter and down the pole but do not shrink it yet Then insert the diverter into the sweep material opposite of the telescoping pole section that was connected to the sweep material in...

Page 35: ...32 x 2 socket head screw PN 60 0186 with washer PN 60 0016 Place the screws so that the threaded portion of the screw is facing downward Apply anti seize to the threads and screw the nylock nuts on Tighten using a 5 16 wrench socket to tighten the nut and a 5 64 Allen Key to hold the screw Tighten until the nylock nuts are fully engaged and the sweep couplers are making contact to the heat shrink ...

Page 36: ...couplers on the 170 pole assembly side you will need to bend the sweep material remnant pole assembly until the metal loop strut holes line up with the holes on the sweep clamp on the remnant pole side as shown in Figure 4 23 Repeat the previous step to attach the metal loop strut to the other sweep clamp set Finish tightening the four screws on the outside corners of the plastic coupler Tighten e...

Page 37: ...e tip while you posi tion and tighten the other outside hose clamp as you did on the other side of the splice Be careful not to damage the 3M Grip tape already in place on the pole tips If necessary spread the slit in the Loop Splice slightly if the fit is so tight it won t slide onto the pole tip Don t spread it too aggressively or it could break The last step is to position the third hose clamp ...

Page 38: ...n Figure 4 43 Be sure you get even coverage all the way around the tube Cover about 3 4 of an inch deep as shown in Figure 4 43 Firmly push and twist the 39 7 8 CPVC tube into the diverter cone end as shown in Figure 4 44 Let the glue dry at least 20 minutes before moving it Apply glue evenly around the outside diameter of the 39 7 8 CPVC tube as shown in Figure 4 45 Apply ap proximately 3 4 deep ...

Page 39: ... shows the EHU placement for the Driven element the procedure is the same for the Di rector element except the Director does NOT have the guide tubes The parts required for the Driven EHU Assembly are shown in the table below Key QTY Part Description A 2 10 1006 22 Quick disconnect boot B 2 10 1013 02 Telescoping pole C 2 NA Inner guide tube assembly consisting of diverter cone 39 7 8 and 49 CPVC ...

Page 40: ...r telescoping pole into the appropriate EHU remember that only the poles going into the Driven EHU have the CPVC guide tubes inside of them until it bottoms out firmly in very rare cases the pole butt may need sanding to allow it to slide freely There may be a small portion of unpainted fiberglass pole protruding as shown in Figure 4 65 this is normal just make sure it is bottoming out on the dive...

Page 41: ...nection uses two sets of aluminum saddles to attach the antenna to the tower mast as shown in figure 5 00 In most cases the tower mast is 2 inches in diameter but occasionally the mast size may be different depending on the customers situation SteppIR offers saddle sizes in 1 3 4 2 2 1 4 2 1 2 and 3 Since all SteppIR antenna s come with the standard 2 inch saddles that is the verbiage used in the ...

Page 42: ...ad sounds occur try to locate the area where the problem is happening and in vestigate Repeat these steps again If all is OK proceed to step 5 5 Check all fasteners on the antenna to be certain that they are tight This may seem redundant but the time to discover a loose fastener is NOW not when that part it was supposed to hold falls out of the sky 6 Be sure that you have set screws in all the sad...

Page 43: ...ng the calibrate function You only need to calibrate once To be certain that the antenna was indeed out of calibration check the SWR before you calibrate and check it again after you calibrate to see if there are any improvements If the SWR is unchanged the antenna was in calibration and is not the issue The lengths of the antenna are incorrect Using the Cause Effect theory generally the first pla...

Page 44: ...that element Please be aware that in some cases we have seen driver chips partially damaged causing them to work part of the time This can be confusing in the test process If you do not have the 25 pin D Sub splice assembly see Section 3 0 when measuring the voltages a suggestion would be to use a bare 25 pin D Sub to plug into the SteppIR controller and then insert a paper clip to penetrate the p...

Page 45: ...sign specifications SteppIR Antenna s responsibility is strictly limited to repair or replace ment of defective components at SteppIR Antennas discretion Step pIR Antennas will not be held responsible for any installation or remov al costs costs of any ancillary equipment damage or any other costs in curred as a result of the failure of our products In the event of a product failure a return autho...

Page 46: ...scanning the QR code to go there directly If the support site does not have a fix please contact us at support steppir com Information and questions about our products sales steppir com Phone Fax Phone 425 453 1910 9 30am to 5 00pm Pacific Standard Time Fax 425 462 4415 Tech Support 425 453 1910 10 00am to 5 00pm Eastern Standard Time Address SteppIR Communication Systems 13406 SE 32nd Street Bell...

Page 47: ...13406 SE 32nd Street Bellevue WA 98005 l Tel 425 453 1910 l email sales steppir com ...

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