indicator) means the projections within the principal grooves designed to give a visual indication of the degree of wear of the tread. To help locate these on a tyre, inspectors should look for a ‘’ or ‘TWI’ mark on the outer edge of the tyre side wall (most tyres have these marks). Tube means an inflatable elastic liner, in the form of a hollow ring fitted with an inflation valve assembly, designed for insertion into certain tyre assemblies to provide a cushion of air or gas, that, when
’. Directional tyre means a tyre with a tread pattern designed to operate in one direction only, and marked accordingly. Pneumatic tyre means a tyre that, when in use, is inflated by air or gas introduced from time to time under pressure so as to enclose under normal inflation a cushion of air or gas forming altogether at least half of the total area of an average cross-section of a tyre so inflated. Protective bel t, sometimes called a protective ply or breaker , means an optional layer
Reasons for rejection Mandatory requirement 1. A towbar fitted to a heavy vehicle does not have evidence of certification, ie: a) the towbar was fitted before the last CoF inspection, and after 1 January 1997, and no LANDATA record has been entered ( Note Before 1 January 1997 certification was required but for inspection purposes the LANDATA record need not be checked), or b) the towbar was fitted after the last CoF inspection and i. a valid LT400 form has not been presented, or ii. the
comprising one or more light sources designed to emit a flashing light or a revolving beam of light. Body means the part of the vehicle that is designed for the use and accommodation of the occupants or to hold any goods, and (for PSVs) includes all of the portion of the vehicle that is designed for the use and accommodation of the occupants and their luggage, and to hold any goods that may be carried. Body transfer vehicle means a motor vehicle that is used primarily for the
Reasons for rejection Mandatory requirement 1. A towbar fitted to a heavy vehicle does not have evidence of certification, ie: a) the towbar was fitted before the last CoF inspection, and after 1 January 1997, and no LANDATA record has been entered, Note Before 1 January 1997 certification was required but for inspection purposes the LANDATA record need not be checked or b) the towbar was fitted after the last CoF inspection and i. a valid LT400 form has not been presented, or ii. the
certified to the Interim Heavy Vehicle Braking Specification then the vehicle inspector must refer to the details shown on the vehicle’s data sheet (form 4067A) issued at the time of certification. Summary of legislation Applicable legislation Land Transport Rule: Heavy-vehicle Brakes 2006 Heavy Motor Vehicle Regulations 1974, Reg. 16A Interim Heavy Vehicle Braking Specification (6 December 1988) . Mandatory equipment Service brake 1. Refer to Heavy trailers
to heavy vehicles, section 8-1 . Modification and certification (Note 1) 18. Refer to heavy vehicles, section 8-1 . Note 1 If there is reason to believe that the vehicle has been modified since it was certified to the Interim Heavy Vehicle Braking Specification then the vehicle inspector must refer to the details shown on the vehicle’s data sheet (form 4067A) issued at the time of certification. Summary of legislation Applicable legislation Land Transport Rule: Heavy
Reasons for rejection Mandatory requirement (Note 2) 1. A semi-trailer with a quad-axle set containing a steering axle does not have evidence of certification, ie: a) the steering axle was fitted before the last CoF inspection and there is no LANDATA record of the certification, or b) the steering axle was fitted after the last CoF inspection and: i. a valid LT400 form is not presented, or ii. the HVS certifier was not of category HVEC or HMCD . Mandatory and permitted equipment (Note 2
2002 affects a seatbelt or seatbelt anchorage and: a) is not excluded from the requirements for HVS certification (Table 7-5-8), or b) the modification is not for the purpose of law enforcement or the provision of emergency services, or c) is missing proof of HVS certification, ie the vehicle has been modified or repaired, and : i. no LANDATA record has been entered, or ii. no valid LT400 form from an HVS certifier of category HVEC or HMCD has been presented. 9. The seatbelt assembly
vehicle for WoF or CoF, the vehicle inspector must check that the following requirements have been met: 1. The vehicle must have the overseas registration plates attached. 2. The registration plate number must be the same as on the licence label. Note Where the plate number has more than six digits, only the first six digits of the plate number are on the label. Where those digits already exist in the system, the six digits on the label will start with a ‘V’, followed by the first five
