Document ID: chunk:federal_register_of_legislation:F2006L03061:body:0:p3
Version: federal_register_of_legislation:F2006L03061
Segment Type: other
Provision Reference: 
Character Range: 7926–11091

air brake systems.)

38.1.10.                      'Control Signal' - means the signal that is provided by the towing vehicle to the trailer for control of the 'Service Brake System' in normal operation.

38.1.11.                      'Control System' - means all the 'Brake Devices' between the trailer 'Brake System' couplings (supply and control) and the 'Brakes' actuators.

38.1.12.                      'E' is a nominal unit of 'Control Signal' strength which, for compressed air brake systems, is shown in the table below:

38.1.12.1.                TABLE 'E' VALUES OF 'CONTROL SIGNAL' STRENGTH

                  Nominal Conversions
         0.0E  Zero Compressed Air Energy Level
         0.15E  15 psi  = 100 kPa
         0.20E  19  = 130
         0.24E  22  = 155
         0.31E  29  = 200
         0.65E  61  = 420
         1.00E  94  = 650
         1.06E  100  = 690

For the purposes of this rule 1.0 E has been equated to the 'Normal Minimum Energy Level' of compressed air brakes which, for trailers, has been nominated as 650 kPa. Values appearing in brackets after 'E' values in this rule are the equivalent kPa values for compressed air 'Brake
Systems'. The relationship between E and other brake control mediums has not been set in this rule.

38.1.13.                      'Emergency Brake System' - that part of the 'Brake System' that is controlled by a line other than the 'Control Line' and which automatically applies in the event of trailer break-away.

38.1.14.                      'Established Retardation Coefficient' (ERC) - is the average braking deceleration calculated from when the energy level in the 'Brakes' actuator reaches its final value to when the trailer becomes stationary, expressed as a proportion of the acceleration due to gravity.

38.1.15.                      'Foundation Brakes' - the 'Brakes' and associated mechanical parts supplied as a unit and which are usually incorporated into a 'Brake System' design without change. In the case of an 'S-cam' air 'Brake System' - the cam shaft would be included but not the slack adjuster and actuator.

38.1.16.                      'Gross Axle Load Rating' ('GALR') - the 'Manufacturer's' specified maximum 'Axle Load' for each 'Axle' for which compliance with applicable 'Australian Design Rules' has been or can be established.

38.1.17.                      'Group Gross Axle Load Rating' ('GGALR') the least of the values allowed by 'GALR', Table 1 or that determined by 'Gross Trailer Mass'.

38.1.18.                      Not used

38.1.19.                      'Loaded Test Mass' ('LTM') - the mass of the laden trailer when loaded such that each of its 'Axle Groups' is loaded to the specified 'GGALRs'.

38.1.20.                      'Maximum Loaded Test Mass' ('MLTM') - the mass of the trailer loaded to 'Gross Trailer Mass' such that the trailer 'Axle Loads' do not exceed the trailer 'Manufacturer's' nominated individual 'Axle Loads' ('GALR').

38.1.21.                      'Lightly Laden Test Mass' ('LLTM') is the mass of the trailer in its normal unladen condition.

38.1.22.                      'Normal Minimum Energy Level' is the