Document ID: chunk:federal_register_of_legislation:F2021C00434:body:0:p13
Version: federal_register_of_legislation:F2021C00434
Segment Type: other
Provision Reference: 
Character Range: 36838–40109

incorporating 'Brake Power Unit 35/...' the design must be such that all 'Brake Power Unit 35/...' must preferentially service the brake system if the energy level falls below 0.69  'E' (450 kPa).

5.                                          PERFORMANCE REQUIREMENTS
5.1.                                    The vehicle must be capable of meeting the range of performance tests set out in the Table 1, subject to the general test conditions of part 6 and the particular test conditions of part 7.
5.2.                                    The sequence of testing may be in the order set out in the Table.  Where the sequence of testing is not in the order set out in the Table, the tests must be grouped as follows:-
Items 1 & 2;
Items 3 - 5 inclusive;
         Items 6 - 10 inclusive
         Items 11, 12 and 13 may be conducted at any time.
6.                                          GENERAL TEST CONDITIONS
6.1.                                    The ambient temperature at the test site must be within the range of 0°C to 40°C.
6.2.                                    The following adjustments must be checked before commencing tests, and set to vehicle 'Manufacturer's' recommendations:
6.2.1.                              injection or ignition timing;
6.2.2.                              engine idle speed;
6.2.3.                              engine governed speed if adjustable governor is fitted; and
6.2.4.                              all brake adjustments.
6.3.                                    The tyres fitted to the vehicle must be of the size and type specified by the vehicle 'Manufacturer' as original equipment for the vehicle, and must be inflated to pressures not less than those recommended by the vehicle 'Manufacturer'.
6.4.                                    The 'Friction Elements' of the vehicle brakes must be of the make and grade specified by the vehicle 'Manufacturer'.
6.5.                                    Decelerations must be conducted on sections of a test track or roadway that meets the following requirements:
6.5.1.                              in the case of the Service Brake Fade Test, the surface must be substantially level and any effective upward average gradient between the start and end of each deceleration test section must not exceed one percent.
The requirements of this clause are deemed to be met if it is demonstrated that over the total number of brake applications of the Service Brake Fade Test sequence of clause 7.9, the total effective contribution to vehicle retardation of the deceleration test section's gradients is not greater than the vehicle retardation which would result from an average upward gradient of not more than one percent;
6.5.2.                              in the case of other deceleration tests, the upward gradient, if any, must not exceed one percent.
6.6.                                    Except when conducting burnishing procedures, decelerations must be conducted in a direction such that the component of wind velocity opposite to the direction of travel of the vehicle does not exceed 15 km/h.
6.7.                                    Where a test requires that the gear selector be in "drive" the transmission selector control must be in the control position recommended by