Due to the increasing number of rejected claims for products with composite fittings, we have prepared a brief instruction on how to properly prepare the claimed product prior to shipment.
This applies to all products with composite fittings, e.g., TEBS-E (composite PEM), composite
leveling valve, etc.

• When a device has composite fittings, the fittings cannot be removed without destroying the function of the device. Therefore, the device needs to be delivered in such a  condition that allows us to remove the tubes and insert new tubes into the device so that the ZF quality team can test the claimed device properly.
• The tube extraction tool needs tubes with a minimum length of 5 cm. However, many of the claimed devices sent back to ZF are with tubes that are directly cut off at the fitting.
• If the devices sent back to ZF do not allow us to extract the tube, ZF will reject the claim.

In the picture below, there is an example of TEBS-E’s “good part” and “bad part” .

WABCO brand offers the tube release tool that allows removing the tube without damaging and destroying the fitting / device.
Please follow below instruction for claims parts:

1. Place the tube release tool (R) over the tube, positioning the slim side to the screw connection.
2. Close the tool to ensure that it is tight against the tube and then press the tool into the fitting connection.
3. Pull the tube out of the screw connection using a rotating movement. In doing so, the tool must be kept in the screw connection.
4. Once the pipe is out, remove the tool.
5. Tube Releaser Tool (R) 899 700 920 2 – plastic version.
   This set contains 25 pcs release tools for all relevant tube sizes
   (ø8 – 10 pcs, ø12 – 10 pcs, ø15 – 5 pcs).
6. Tube Releaser Tool (R) 899 700 01X 4 – metallic version in 6 different sizes.