5.4.1.2.4.1. Prior to the commencement of the energy consumption test (paragraph 5.4.1.2.3. above) in the case of brakes with non-integrated brake wear adjustment the brakes shall be set to a condition where the relationship (Rl) of brake chamber push rod travel (sT) against lever length (lT) is 0.2. This relationship shall be determined for a brake chamber pressure of 650 kPa. a0c0