DX Engineering DXE-MBVE-5A Manuel utilisateur

60 Meter Mono-Band

Conversion Kit for the

DXE-MBVE-5A Multi-Band

Vertical Antenna

DXE-MBVE-5A60MCK

DXE-MBVE-5A60MCK-INS Revision 0

1200 Southeast Ave. - Tallmadge, OH 44278 USA

Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200

Fax: (330) 572-3279 ∙ E-mail: [email protected]

- 1 -

Introduction

This conversion kit is custom made to modify the DXE-MBVE-5A Multi-Band Vertical into a 60 Meter

Mono-Band Vertical antenna. By accomplishing this conversion, the antenna will operate with peak

performance on the 60 meter band. When properly tuned, the SWR should be under 1.5:1 across the entire 60

Meter band.

At this point in time, there are Five Channels used on 60 Meters:

Channel 1: 5330.5 kHz Channel 2: 5346.5 kHz Channel 3: 5357.0 kHz

Channel 4: 5371.5 kHz Channel 5: 5403.5 kHz

In-depth information about the use of the 60 Meter band can be found on the ARRL web site:

“60-Meters A Brief History and FAQs”- http://www.arrl.org/60-meter-faq

NOTE: The 60 Meter conversion requires the use of a 1:1 Balun and Balun Mounting Bracket.

Kits Available

There are three kits available to assemble a DX Engineering 60 Meter Mono-Band antenna.

DXE-MBVE-5A60MCK DXE-VE-60-2P DXE-VE-60-2P-RAD

If you already have a DXE-MBVE-5A Multi-band Vertical, you will need the following parts:

DXE-MBVE-5A60MCK - 60 Meter Conversion Kit

Qty

Description

1/4” OD x 36” long Aluminum Tube, 0.049” wall thickness

3/8” OD x 36” long Aluminum Tube, 0.058” wall thickness, Slit on one end

0.500” Band Clamp

1/4” Black Vinyl End Cap

7” Connection wire, 14 ga, with 1/4” Ring Terminals on each end

10-1/2” Connection wire, 14 ga, with 1/4” Ring Terminals on each end

1/4” External Tooth Stainless Steel Washer

Parts Required - Not included in the conversion kit

Qty

Part Number

Description

COM-BAL-11150T

COMTEK 1:1 Balun

DXE-UN-BRKT-5A

Mounting bracket for COMTEK balun

JTL-12555 or JTL-12502*

Jet-Lube SS-30 Anti-Seize

*Jet-Lube™SS-30 Pure Copper Anti-Seize ensures good electrical and RF connection for Aluminum Element

Sections and also used on the threads of Stainless Steel Hardware to prevent galling (seizing) and aid in proper

tightening

The DXE-VE-60-2P package includes the DXE-MBVE-5A Vertical Antenna, 60 Meter Conversion Kit,

COMTEK 1:1 Balun and Mounting Bracket for the Balun.

The DXE-VE-60-2P-RAD package includes the DXE-MBVE-5A Vertical Antenna, 60 Meter Conversion

Kit, COMTEK 1:1 Balun, Balun Mounting Kit and hardware. Also included in this kit is the DX Engineering

Radial Plate, Stainless Steel V-Clamp for the Radial Plate, Radial Wire, Lawn Staples and 20 Ring Terminals

for the Radials.

- 2 -

Tools Required

Medium size flat blade screwdriver or 5/16” nut driver for the element clamps

Medium size flat blade screwdriver or 1/4” nut driver for the smaller element clamps

Tape measure

Black Felt-tip marker or pencil

Installation

The following instructions are based on an existing DXE-MBVE-5A antenna system.

1. Lower the antenna using the Safe-T-Tilt Base. Use supports to ensure you do not put a bend in the

antenna.

1A. If your DXE-MBVE-5A has an UNUN installed, remove it. It will be replaced with a

COMTEK 1:1 BALUN.

2. Loosen the top Element Clamp and remove the top 3/8” OD element that has the black vinyl cap. Set the

element and cap aside. The 3/8” OD element and cap will be replaced with new parts.

3. Installing the new top elements:

3A. Mark the new elements as shown below.

3A. Insert the new 3/8” into the existing 1/2” element with a 4 inch overlap and the slits toward the top of

the antenna. Tighten the existing element clamp.

- 3 -

3B. Install the new 1/4” OD into the new 3/8” OD element with a 2 inch overlap. Using the new 0.50”

element clamp, tighten the element in place as shown. Install the new 1/4” black vinyl cap on the top

of the 1/4” OD element.

4. The overall length of the antenna should measure 518 inches long as shown. This length may change when

you perform the antenna tuning procedure.

5. Raise the antenna to the upright position using the Safe-T-Tilt Base.

Assembling the COMTEK Balun to the Balun Mounting Bracket

Using the #6 hex head bolts, #6 flat washers, and #6 Nyloc nuts, attach the COMTEK Balun to the patented

Bracket with the SO-239 connector facing down as shown below. Tighten the Nyloc Nuts so they are snug.

Do not over tighten since the mounting tabs on the Balun are plastic.

Attach the stainless steel studded element clamps to the bracket using the Aluminum Spacers and #10 Nyloc

nuts as shown below. Snug the #10 Nyloc nuts just to the point that you can still rotate the custom studded

element clamps. The Nyloc nuts will be tightened later.

- 4 -

Installation of Balun Assembly to Antenna Lower Section

The completed balun with balun mounting bracket assembly ise mounted to the

antenna lower section. To allow easy installation of the UNUN Bracket to the

lower base section, open the upper and lower custom studded element clamps as

shown.

Position the balun and mounting bracket so the bottom element clamp is located

between the lower element bolt and the black insulator shown below. Tighten the

element clamps to hold the assembly in place. Also tighten the Nyloc nuts that hold the studded element

clamps to the bracket.

Clamps open, Clamp Ends inserted to go around the antenna element

Tighten in place with Balun facing outward

Balun Connections

The Balun connections are attached to the antenna connection using one 7” wire

with ring terminals and one 10.5” wire with ring terminals. Connect the 7” wire

with terminals from the antenna feedpoint located on the antenna element to the

terminal on the Balun closest to the Red "+" on the label as shown below. Do not

over tighten the wing nuts. Hand tighten them only, do not use pliers or other tools

to over tighten the wing nuts.

Connect the 10.5" wire with ring terminals from the terminal on the Balun closest

to the Black "▬" on the label to the bolt holding the angle plate as shown.

Use the two

included external

tooth washers when

installing the wires

with terminals on

to the Balun as

shown.

- 5 -

7” wire connected from Balun “+” to the bolt just above where the mounting clamp is located.

10.5” wire with terminals connected from the balun “-“ to the bolt holding the angle plate in place.

Move the external tooth washer previously installed on the antenna (Item 21) to the position as shown.

- 6 -

Your coaxial cable from the radio connects

directly to the SO-239 connector on the bottom

of the balun. Weatherproof this coaxial

connection using TES-06132 - Scotch® Super

33+ and TES-2155 - 3M Temflex™ 2155

Rubber Splicing Tape.

Tuning the 60 Meter Vertical Antenna

System

After the installation of the conversion is complete and

antenna is in the up position, use an antenna analyzer

check for the lowest SWR reading.

Adjustment to the desired channel frequency can be made

by either extending the top two elements (lowering the

frequency) or retracting the upper two elements (raising

the frequency).

When properly adjusted the SWR should be under 1.5:1

across the entire 60 Meter band.

Currently there are Five Channels used on 60 Meters:

Channel 1: 5330.5 kHz

Channel 2: 5346.5 kHz

Channel 3: 5357.0 kHz

Channel 4: 5371.5 kHz

Channel 5: 5403.5 kHz

60 Meter

Vertical Antenna

Element Assembly

(Drawing not scale)

- 7 -

Manual Updates

Every effort is made to supply the latest manual revision with each product. Occasionally a manual will be

updated between the time your DX Engineering product is shipped and when you receive it. Please check the

DX Engineering web site (www.dxengineering.com) for the latest revision manual.

Technical Support

If you have questions about this product, or if you experience difficulties during the installation, contact DX

Engineering at (330) 572-3200. You can also e-mail us at:

[email protected]

For best service, please take a few minutes to review this manual before you call.

Warranty

All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a

period of one (1) year from date of shipment. DX Engineering’s sole obligation under these warranties shall be to issue

credit, repair or replace any item or part thereof which is proved to be other than as warranted; no allowance shall be

made for any labor charges of Buyer for replacement of parts, adjustment or repairs, or any other 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 thereof, issue shipping instructions for return to

DX Engineering (transportation-charges prepaid by Buyer). Every such claim for breach of these warranties shall be

deemed to be waived by Buyer unless made in writing. The above warranties shall not extend to any products or parts

thereof which have been subjected to any misuse or neglect, damaged by accident, rendered defective by reason of

improper installation, damaged from severe weather including floods, or abnormal environmental conditions such as

prolonged exposure to corrosives or power surges, or by the performance of repairs or alterations outside of our plant,

and shall not apply to any goods or parts thereof furnished by Buyer or acquired from others at Buyer’s specifications.

In addition, DX Engineering’s warranties do not extend to other equipment and parts manufactured by others except to

the extent of the original manufacturer’s warranty to DX Engineering. The obligations under the foregoing warranties

are limited to the precise terms thereof. These warranties provide exclusive remedies, expressly in lieu of all other

remedies including claims for special or consequential damages. SELLER NEITHER MAKES NOR ASSUMES ANY

OTHER WARRANTY WHATSOEVER, WHETHER EXPRESS, STATUTORY, OR IMPLIED, INCLUDING

WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NO PERSON IS AUTHORIZED TO ASSUME

FOR DX ENGINEERING ANY OBLIGATION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE

FOREGOING.

©DX Engineering 2017

DX Engineering®, DXE®, DX Engineering, Inc.®, Hot Rodz®, Maxi-Core®, DX Engineering THUNDERBOLT®, DX

Engineering Yagi Mechanical®, EZ-BUILD®, TELREX®, Gorilla Grip®Stainless Steel Boom Clamps, Butternut®,

SkyHawk™, SkyLark™, SecureMount™, OMNI-TILT™, RF-PRO-1B®, AFHD-4®are trademarks of PDS Electronics,

Inc. No license to use or reproduce any of these trademarks or other trademarks is given or implied. All other brands

and product names are the trademarks of their respective owners.

Specifications subject to change without notice.

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