TEBS E
6
GIO functions
117
6.25 Brake release function
Vehicle type
For example, car transporters or log trailers for timber transporters.
Purpose
Release the service brake of the trailer when stationary.
Application: Supporting the hydraulic extension of a trailer while the towing vehicle
is stationary.
Releasing the service brake at low speed.
Application: Loading or unloading an unladen log trailer
Function
The function is activated with an external button or via the SmartBoard.
When releasing the push-button or the respective button of the SmartBoard, the
brake is immediately filled with air again and the trailer is braked.
Requirements for the brake release function
• The parking brake in the towing vehicle is actuated.
• The pressure on the yellow coupling head must be greater than 6.5 bar. The
brake release function will be aborted if the pressure on the yellow coupling
head drops.
• Standard brake release function: The brake release function will be aborted at a
speed v > 1.8 km/h.
• Advanced brake release function: The brake release function will be aborted at
a speed v > 10 km/h.
The ‘ID_EB158.0 – Brake release and relaxation function’ see chapter 5.3 ‘Exper-
tise and standards’, page 23 appli
ed to this function (not valid for the ‘Advanced
brake release function’).
Components
One of the following components is required to activate the function:
Component Figure Part number
SmartBoard
446 192 110 0
Push-button (optional)
Not part of WABCO's scope of supply
Parameter setting
The function is activated via tab 6, Brake functions.
The GIO slots to use are defined in tab 11, connector.
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