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Introduction 

 
This instruction manual describes the optional remote tuner upgrade packages that use the MFJ   
remote tuners available for the 

DXE-MBVE-1

 multi-band vertical antenna system.  

 
There are 5 

complete

 

DXE-MBVE-1

 antenna systems for use with MFJ the Remote Tuners. These 

packages include the 

DXE-MBVE-1

 antenna with mounting hardware and remote tuner options: 

 

DX Engineering 

Antenna Model 

Numbers

 

DXE-MBVE-

TBHW 

Hardware Kit

 

DXE-MBVE-1-

UGHW 

Hardware Kit 

DXE-MBVE-

THW 

Hardware Kit

 

MFJ-993BRT 

Tuner 

300 Watt 

MFJ-994BRT 

Tuner 

600 Watt 

MFJ-998RT 

Tuner 

1500 Watt 

DXE-MBVE-1-BRT 

 

 

 

 

DXE-MBVE-1-BRT3 

 

 

 

DXE-MBVE-1-BRT4 

 

 

 

DXE-MBVE-1-RT 

 

 

 

 

DXE-MBVE-1-RT8 

 

 

 

X = Included 

 
There are 5 upgrade retrofit kits for 

existing

 

DXE-MBVE-1

 systems for use with the MFJ remote 

tuners. Two of the upgrade kits have only the mounting hardware needed for use with a customer 
owned MFJ remote tuner, the other kits include the mounting hardware and an MFJ remote tuner. 
  

DX Engineering 

Upgrade Model 

Numbers 

DXE-MBVE-

TBHW 

Hardware Kit 

DXE-MBVE-1-

UGHW 

Hardware Kit 

DXE-MBVE-

THW 

Hardware Kit

 

MFJ-993BRT 

Tuner 

300 Watt 

MFJ-994BRT 

Tuner 

600 Watt 

MFJ-998RT 

Tuner 

1500 Watt 

DXE-MBVE-1-UGBRT 

 

 

 

 

DXE-MBVE-1UGBRT3 

 

 

 

DXE-MBVE-1UGBRT4 

 

 

 

DXE-MBVE-1UG-RT 

 

 

 

 

DXE-MBVE-1UGRT8 

 

 

 

X = Included

 

 
A complete manual including the assembly of the 

DXE-MBVE-1

 antenna system shows detailed 

information on the antenna and is a good reference when performing this upgrade. If you have 
misplaced your original 

DXE-MBVE-1

 manual, you can view or download a copy from the DX 

Engineering web site at 

www.DXEngineering.com

. 

 
 

Additional Material Needed but not Supplied: 

 

 

JTL-12555  Jet-Lube

 SS-30 Pure Copper Anti-Seize 12555 

- To ensure 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. 

 

11/64” drill bit and drill  

 

Pencil 

 

Tape measure 

 

Screwdriver 

 

Standard tools including wrenches, nut drivers, etc. 
 

 

 

Summary of Contents for DXE-MBVE-1UGBRT3

Page 1: ...he MFJ 994BRT 600 Watt Remote Tuner DXE MBVE 1UGRT8 for the MFJ 998RT 1500 Watt Remote Tuner DXE MBVE 1 RT INS Revision 1 MFJ 993 994BRT Shown MFJ 998RT Shown DX Engineering 2019 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572 3279 E mail DXEngineering DXEngineering com ...

Page 2: ...e other kits include the mounting hardware and an MFJ remote tuner DX Engineering Upgrade Model Numbers DXE MBVE TBHW Hardware Kit DXE MBVE 1 UGHW Hardware Kit DXE MBVE THW Hardware Kit MFJ 993BRT Tuner 300 Watt MFJ 994BRT Tuner 600 Watt MFJ 998RT Tuner 1500 Watt DXE MBVE 1 UGBRT X X DXE MBVE 1UGBRT3 X X X DXE MBVE 1UGBRT4 X X X DXE MBVE 1UG RT X X DXE MBVE 1UGRT8 X X X X Included A complete manua...

Page 3: ...Lock Stainless Steel 1 10 Washer Flat Stainless Steel Thick 2 10 Washer External Tooth Stainless Steel 1 3 Wire Assembly 12 ga Black Insulated two ring terminals 1 10 Wire Assembly 12 ga Black Insulated two 10 ring terminals 1 DXE MBVE TBHW Parts Listing DXE MBVE TBHW Mounting Hardware Kit For the MFJ 998RT Tuner mounting option Qty V Block Saddle Aluminum 2 U Bolt Stainless Steel 3 75 x 5 16 18 2...

Page 4: ...talled in the tilt base insulated channel by loosening the element clamp as shown Raise the base section back to the vertical position 4 Install the black Delrin insulator in the base section tube as shown Approximately 1 1 2 below the joint between the black insulator using a customer supplied 11 64 drill bit drill a hole through the base tube into the black insulator The hole only needs to be dr...

Page 5: ... The other end of the short 3 tuner wire goes to the tuner ground wing nut connection on the tuner as shown A3 Position two of the tuner mounting aluminum V saddle clamps 3 4 below the top of the thick wall tube as shown The second saddle clamp is used as a spacer Use two 5 16 18 Hex Nuts two 5 16 Flat Washers two 5 16 Split Lock Washers and one 5 16 18 x 4 long U Bolt Do not over tighten the U Bo...

Page 6: ...s to hold the tuner in place on the upper clamp as shown You want the tuner to be able to move a bit for final positioning A6 Position the lower saddle clamp with the external tooth washers on each leg so the U bolt will pass through the bottom mounting flange on the tuner as shown Once the tuner is positioned in place and straight use the two 5 16 Flat Washers two 5 16 Split Lock Washers and two ...

Page 7: ...through B6 are specific to the MFJ 998RT remote tuner option See step A1 for the MFJ 993 994B8RT remote tuner options B1 Install the four 1 4 20 x 3 4 long Hex Head Cap Bolts four 1 4 External Tooth Washers and four 1 4 20 Hex Nuts on the tuner shelf bracket as shown The hex bolt heads will be on the same side as the logo on the tuner shelf bracket B2 Loosely install the two 4 long U bolts two V s...

Page 8: ...tion down and re install the antenna upper sections onto the black insulator Using the new Studded band clamp lightly tighten the clamp in place as shown Once this is done raise the antenna back up to easily work on the rest of the installation The new studded band clamp will be re positioned and tightened in a later step B5 Place one 5 16 External Star Washer on each of the four bolts that are in...

Page 9: ...ntenna system The feedline coaxial cable going from the radial plate to the Bias T in the radio room connects to the other side of the connector on the Radial Plate Step 5 is common to all remote tuner installations 5 At the bottom of the base section tube there is a drilled hole that had previously been used as the feedpoint the wire was removed in an earlier step Connect one end of the second 10...

Page 10: ... 9 ...

Page 11: ...ctors that block DC cannot be used Follow the instructions provided by MFJ for both the Remote Tuner and the Bias Tee Make certain the coaxial cables are properly connected to the Bias Tee as shown Ensure the ON OFF switch on the Bias Tee is turned ON when using the system NOTE Review the MFJ Remote IntelliTuner manual for a detailed explanation of the Remote IntelliTuner and the Bias Tee operatio...

Page 12: ...end 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 goo...

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