DX Engineering Hexx Beam Spreader and Center Post Kit XB-5 User manual

XB-5 Hexx Beam
Spreader and
Center Post Kit
DXE-XB-5-SCP
DXE-XB-5-SCP-INS Rev. 0
© DX Engineering 2023
1200 Southeast Ave. - Tallmadge, OH 44278 USA
Phone: [phone] ∙ Tech Support and International: [phone]
E-mail: [e-mail]

2
Introduction
The DXE-XB-5-SCP - Hexx Beam Spreader and Center Post
Kit is designed to be used in constructing or repairing the DX
Engineering XB-5 Hexx Beam in a G3TXQ configuration, but
may be used on other designs as well. For more information or
to view the entire DX Engineering XB-5 Hexx Beam manual -
visit the DX Engineering web site at:
www.DXEngineering.com
The Spreaders and Center Post are manufactured from high
quality fiberglass material and all the parts are used as-is and no
cutting or drilling is required. This helps to reduce the risk of
stray fiberglass threads becoming a problem during assembly.
Caution: There are parts made from fiberglass in this kit. Take normal precautions when handling any
fiberglass material. There may be fiberglass dust, slivers or particles present when the fiberglass parts
were manufactured. The use of typical fiberglass handling safety gear (gloves, dust mask, eye shield,
clothing, etc.) when handling and working with fiberglass is recommended. Use a damp rag to wipe the
parts. Do not use compressed air to clean fiberglass parts. Measures can be taken to reduce exposure
after a person has come in contact with fiberglass. Eyes should be flushed with water and any area of
exposed skin should be washed with soap and warm water to remove fibers. Clothing worn while
working with fiberglass should be removed and washed separately from other clothing. The washing
machine should be rinsed thoroughly after the exposed clothing has been washed. Check with your local
or state safety and/or environmental agencies for more detailed precautions.
Note: Optional parts and other XB-5 kits are not included in this kit are shown throughout this
instruction manual. Refer to the XB-5 Instruction manual for complete details of the entire XB-5 Hexx
Beam antenna system.
DXE-XB-5-SCP Parts List
Item
QTY
Unit
Description
Re-enforcer Tubes (will be nested in 1” Spreader tubes at hub)
6
ea
Tube, Fiberglass, 0.75” OD x 5” Long, 0.120 wall
Spreader
6
ea
Tube, Fiberglass, 1.00" OD x 58" Long, 0.120 Wall
Spreader
6
ea
Tube, Fiberglass, 0.75" OD x 43" Long, 0.120 Wall
Spreader
6
ea
Tube, Fiberglass, 0.50" OD x 48" Long, 0.120 Wall
Element Clamp for 1/2” spreader clamping
6
ea
Element gear drive clamp, 0.500" x 0.313"
Element Clamp for 3/4” spreader clamping
6
ea
Element gear drive clamp, 0.875" x 0.500"
Center Post
1
ea
Tube, Fiberglass, 1.25" OD x 58" Long, 0.120 Wall
Cap for top of center post
1
ea
Vinyl End Cap 1.187" ID size, black
DXE-GR-5P Guy Ring Set (only use 1.25” Ring)
1
pkg
Guy Ring set of 5: 3/4", 1", >>only using 1.25"<<,1.5," 2.0",
Band Clamp (holds guy ring in place)
2
ea
Band Clamp, gear drive clamp, 1.125" to 1.25" dia.
Ropes, pre made with Thimbles on each end
6
ea
Rope, 0.17”(4.4mm) x 10.17’(3.1m) w/2 Thimbles
Carabiners for Ropes (6 for ropes, 3 for guy ring)
9
ea
Carabiners, Spring hook, 2” (5 mm)
Rope P-Clamps Assemblies - pre-assembled
6
ea
Cushioned P-Clamps - pre-assembled with the following:
1
ea
ECLS gear drive clamp w/stud ,0.500" x 0.313"
1
ea
Cushioned Loop for P-Clamp, .375"
1
ea
Hex Nut, 10-24 SS Nyloc Type
1
ea
Flat Washer, (thin) #10 x 1/2 18-8 SS

3
Center Post Installation
The 1.25”(31.75mm) x 58”(1.47m) long fiberglass Center Post is installed into the Hexx Beam
Center Hub. The Center Hub should already have the DXE-XB-5-MMK Mast Kit installed. Slide
the Center Post in place. There is a cross bolt inside the Mast Mount Tube that will stop the
fiberglass center post at the proper depth. Use the 1.25” (31.75mm) band clamp (that is included
with the Mast Kit) and tighten it in palace holding the fiberglass center post in position.
Install and tighten in place the six hex head bolts that hold the Center Post to the Hexx Hub as
shown. Once the Hex Head Bolds are holding the Center Post evenly, tighten the Hex Nuts to lock
the Hex Head bolts in place,

4
Support Rope Guy Ring Installation
The Center Post should have the DXE-XB-5-FF Flat Feed assembly and the Balun installed per the
applicable instruction manuals.
At the top of the center post slip one 1.25" dia. Band Clamp
over the center post.
From the DXE-GR-5P Guy Ring Set slip the 1.25” Guy Ring
on the Center Post.
Slip the second 1.25" dia. Band Clamp over the center post.
Install the black cap on the top of the center post.
Move the top Band Clamp up to the lower edge of the Top
Cap and tighten in place.
Move the Guy Ring up until it just touches the bottom the
previous tightened element clamp.
Move the lower Band Clamp up until it touches the bottom of
the Guy Ring and tighten the clamp in place.
Install three Carabiners in the Guy Ring holes as shown.
Note the opening part of the Carabiner should be facing
upwards when installed.

5
Spreader Tubes and Clamps
1 - Slide the 3/4”(19mm) x 43”(1.09m) tube inside the 1”(25.4mm) x 58”(1.47m) tube with a
4”(101.6mm) overlap. Tighten a 3/4” Band Clamp in place to keep the 3/4” tube from sliding
further into the 1” tube as shown below. The short 5”(127mm) reinforcement tubes will be
installed when you mount the spreader assembly to the Hexx Hub.
2 - Install the 3 wire guide clamps and the single clamp with no P-Clamp as shown below on the
3/4” spreader positioned vertically (P-Clamp up with loop toward the Hexx Hub - center of the
antenna). Snug the clamps in place. These assemblies may be moved for final positioning on
your antenna during tuning. Note one clamp at the 95”(2.41) position has no P-Clamp attached.
3 - Slide the 1/2”(12.7mm) x 48”(1.22m) tube inside the 3/4”(19mm) x 43”(1.09m) tube with a
6”(152.4mm ) overlap. Tighten a 1/2” Band Clamp in place to keep the 1/2” tube from sliding
further into the 3/4” tube as shown below.
4 - Install the 2 wire guide clamps as shown below on the 1/2” spreader positioned vertically (P-
Clamp up with loop toward the Hexx Hub - center of the antenna). Snug the clamps in place.
These assemblies may be moved for final positioning on your antenna during tuning.
5 - Install one cushioned P-Clamp assembly 1/2”(12.7mm) from the end of the 1/2” tube as shown
below. Tighten the P-Clamp Nyloc Nut.
Repeat the last steps 1-, 2-, 3-,-4 and 5 for the other five spreaders.

6
Installing the Spreaders in the Hub
Insert a 3/4"(19mm) OD x 5"(127mm) long fiberglass reinforcement tube flush into the end of the a
1"(25.4mm) OD x 58"(1.47m) long fiberglass tube. When the 1" OD is slid into the one of the six
Hexxagonal Hub V-Saddle channels, under the V- Bolts ensure the smaller 5" long tube inside stays
at the end. These short 5" pieces are being used to re-enforce the 1" tube under the Hexx Hub V-
Bolts.
Leave a space of about 1/2"(12.7mm) to 3/4"(19mm) between
the upper mast mount surface of the hub and the end of each 1"
OD spreader section.
The clamps must be facing upward. Ensure the inside tube does
not move, tighten the V-bolt nuts evenly until the lock washers
are flattened, without crushing the tubing as shown.
Repeat the above process for the other 5 spreaders

7
Installing the Rope Assemblies to the Spreader and Center Post
Install a Carabiner in a Rope Assembly. Attach it to the cushioned P-Clamp as shown.
Carefully pulling on the Rope Assembly, connect the other end of the Rope Assembly to the Center
Post Guy Ring Carabiner as shown.
Repeat the above for the opposite spreader and rope assembly, and the other spreaders.
Because these rope assemblies are made from 4.4mm rope and are robust, they act as ice guards.
When all are installed, each of the three carabiners on the guy ring will hold two of the ropes.

8
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 [phone]. You can also e-mail us at:
[email protected]
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
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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
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©DX Engineering 2023
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