Document ID: chunk:federal_register_of_legislation:F2024C01065:body:0:p40
Version: federal_register_of_legislation:F2024C01065
Segment Type: other
Provision Reference: 
Character Range: 99723–102602

to the same steering mechanism; and
 4.                the horizontal distance between the centrelines of which is at least 1.0 metre, but not more than 2.5 metres.

   TWINNED WHEELS - means two 'Wheels' mounted on the same axle, the distance between centres of their areas of contact with the ground being less than 460 mm.  'Twinned Wheels' shall be considered as one 'Wheel'.

   TYPE 4N RETRACTOR - an 'Emergency Locking Retractor' which has a higher response threshold - i.e. having special properties as regard its use in vehicles other than passenger cars. Its properties are specified in Appendix A of ADR 4/...

   TYRE CARCASS CONSTRUCTION SYMBOL - relates to the type of 'Carcass' construction used in the manufacture of the tyre, viz:
     D - Diagonal Ply
     B - Bias-Belted
     R - Radial Ply.

   TYRE OUTER DIAMETER - the overall diameter of the inflated new tyre.

   UN REGULATION - (UNITED NATIONS REGULATION) - an addendum to the United Nations Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these United Nations Regulations.

   UNIQUE - a 'Unique' 'Brake System' is one consisting of a particular combination of components with particular physical and dimensional properties.

   UNIT - means an assembly of a 'Wheel' and a tyre.

   UNLADEN MASS - the mass of the vehicle in running order unoccupied and unladen with all fluid reservoirs filled to nominal capacity including fuel, and with all standard equipment.

   UNLADEN TEST MASS - ADR 38/00

   UNLADEN TRAILER MASS (UTM) - the mass transmitted to the ground by the 'Axle' or 'Axles' of the trailer when coupled to a drawing vehicle and in its normal unladen condition, and at which compliance with the appropriate Australian Design Rules has been or can be established.

   UNLEADED PETROL - petrol containing not more than 0.013 gram of lead (organic) per litre and not more than 0.0013 gram of phosphorus per litre.

   UNLEADED PETROL NOZZLE - a filling nozzle which complies with the requirements of Appendix 9 of ADR 37/... .

   UNSCHEDULED MAINTENANCE - any adjustment, repair, removal, cleaning, or replacement of vehicle components or systems other than the vehicle engine, 'Fuel System', or emissions control system, which is performed to correct a component failure or vehicle malfunction. It does not include 'Corrective Action'.

   UPPER ANCHOR FITTING - see 'Child Restraint Anchor Fitting'.

   UPPER ANCHORAGE - see 'Child Restraint Anchorage'.

   UPPER ANCHORAGE STRAP - the flexible component designed to restrain the top portion of the 'Child Restraint'.

   UPPER CROSSBAR - the uppermost horizontal member of a 'Seat Frame' back.

   UPPER TORSO REFERENCE POINT -