WiMo UB-20MX EHU Tube Modification Kit Instruction Manual

Table of Contents

WiMo-UB-20MX-EHU-Tube-Modification-Kit-product

Specifications

Product Name: EHU Guide Tube Modification
Part Number: 12255.TubeModi
Compatibility: For combining older antenna models with new EHU
Kit Contents: Connection components for new EHU and older internal guide tubes

Installation Process

Preparation: Degrease the tube ends with thinner or spirit, and avoid touching the bonding area.
Assembly: Join the parts of the internal guide tube and secure the connection with an electrician’s plug. Fix with insulating tape.
Connecting Tubes: Push the guide tube into the GRP tube, ensuring a secure fit. Use the provided black cone and sleeve for alignment.
Final Steps: Secure the GRP tube with clamps to complete the installation.

Version for Cut Tube

If you have cut off the extended end of the internal guide tube, use the connecting piece supplied.
Follow the same installation steps as above, ensuring joints are fixed with insulating tape.

Q: What should I do if I accidentally touch the bonding area during assembly?
A: If you touch the bonding area, clean it with thinner or spirit before proceeding with assembly to ensure a secure connection.
Q: Can I use this modification kit with any antenna model?
A: The kit is specifically designed to work with UltraBeam models that have internal guide tubes. Ensure compatibility before installation.

If you want to combine an older antenna model with a new EHU, you need the EHU Guide Tube Modification Kit supplied by us.
The kit provides a connection between the new EHU and the older internal guide tubes.
This short manual explains how to correctly install the EHU Guide Tube Modification Kit.

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-1

All UltraBeam models with folded elements have internal guide tubes on the left and right elements that are connected to the motor unit.

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-2

All motor units of the vertical loop elements require the installation of internal guide tubes in the upper elements connected to the motor unit.

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-3

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-4

“You can’t stick on dirt”: Degrease the ends of the tubes with thinner, spirit or similar and then avoid touching the bonding area.
Join the parts of the internal guide tube and secure the connection with commercially available electrician insulating tape (not supplied, Figs. 1 – 3). The adhesive layer of the insulating tape should ‘smear’ as little as possible and also be as heat-resistant as possible so that it does not dissolve later in the sun.
Push the guide tube completely into the GRP tube up to the outer edge of the black cone (Figs. 4 – 6).
Insert the GRP tube with the black cone first into the GRP part of the EHU as far as it will go (Figs. 7 + 8).
Important: The outer edge of the black cone must be firmly clamped between the edge of the GRP tube and the stop inside the EHU!!
Fix the GRP tube to the EHU using the sleeve and the two clamps as shown in Fig. 9.

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-5

Version for cut tube

In case you have cut off the extended end of the internal guide tube, we have supplied a connecting piece. This is fitted between the two internal tubes as shown in the illustration.
The joints are also fixed here with insulating tape (Figs. 12). The installation of the GRP tube with the internal guide tube is the same as in Figure 4 – 9.

WiMo-UB-20MX-EHU-Tube-Modification-Kit-fig-6