NZ CoF Inspector flashcards
NZ CoF Inspector · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Certificate of Fitness
- The periodic inspection and certification document issued for heavy vehicles confirming they met prescribed in-service standards at the time of inspection.
- CoF inspection frequency
- Heavy vehicles generally require a CoF inspection every 6 months, though some vehicle types may qualify for 12-month intervals under applicable rules.
- Failed inspection outcome
- When a vehicle does not meet prescribed standards, the inspector must record the defects, state the reasons for failure, and must not issue certification.
- Authorised inspector
- A person holding the appropriate inspection designation who is permitted to inspect and certify vehicles within the scope of that designation.
- Modification verification
- Changes affecting structural strength, braking, or lighting must be checked against applicable standards before a CoF can be issued.
- CoF label
- A label affixed to the vehicle showing the certification expiry date; operating a heavy vehicle beyond that date is an offence.
- Inspection scope items
- The prescribed checklist covering brakes, steering, suspension, tyres, wheels, lights, glazing, body, chassis, and towing connections.
- Chassis rail condition
- Chassis rails must be free of cracks, significant corrosion, and unauthorised welding or repairs that reduce the structural section strength.
- Steering free play
- Steering components such as drag links and tie rods must show no excessive free play, binding, or visible damage during inspection.
- Suspension spring defects
- Broken leaves, cracked main leaves, shifted or missing U-bolts, and leaking or damaged airbags are all grounds for failure.
- Wheel fastener integrity
- Wheels must be free of cracks and distortion, with no loose or missing fasteners and no elongated stud holes.
- Tyre tread and damage
- Tyres must meet minimum tread depth, show no exposed cords or bulges, and be free of sidewall damage that compromises safety.
- Fifth wheel security
- The fifth wheel and kingpin assembly must be secure, correctly lubricated, and free of excessive wear or cracks before certification.
- Structural repair acceptance
- Structural repairs must be performed to an accepted standard and, where required, verified by a qualified person before certification.
- Exhaust and line routing
- Exhaust systems must be secure and not leak into the cab; fuel and air lines must be secure and free of chafing.
- Service brake requirement
- Heavy vehicles must have service brakes acting on all wheels and a parking brake able to hold the vehicle on a gradient.
- Brake performance criteria
- Braking is judged against prescribed deceleration or stopping-distance standards for the vehicle class, not subjective feel.
- Air system pressure test
- Air brake systems must build pressure within specified limits, hold it without excessive leak-down, and show a working low-pressure warning.
- Spring brake function
- Parking spring brakes must apply automatically when air pressure is lost and release correctly once pressure is restored.
- Friction material condition
- Brake linings and pads must have sufficient material remaining and be free of contamination from oil, grease, or hydraulic fluid.
- Drum and disc condition
- Brake drums and discs must not be cracked, deeply scored, or worn beyond manufacturer limits; hoses and lines must not leak.
- Brake balance check
- A competent heavy-vehicle brake inspection includes an air loss rate test and a check of braking balance across axles.
- ABS fault warning
- Where anti-lock braking is fitted, there must be no active fault warning and the system must function correctly.
- Trailer brake sympathy
- Trailer brakes must operate in sympathy with the towing vehicle, with the air or hydraulic coupling correctly connected.
- Inspection record content
- Each inspection must record the pass or fail outcome, items inspected, defects found, vehicle identification, odometer reading, and date.
- Record retention period
- Inspection records must be kept for the period required by the applicable rule and be available for audit by the regulating authority.
- Scope of designation
- An inspector may only certify vehicles within the scope of their designation; certifying outside that scope is a breach of obligations.
- Conflict of interest rule
- Inspectors must be independent; they cannot certify a vehicle in which they have an undisclosed financial interest in the repair.
- Unsafe vehicle duty
- An inspector must record defects making a vehicle unsafe, fail the vehicle, and must never certify a vehicle known to be unsafe.
- Label and document match
- The CoF label and associated documentation must correspond to the actual vehicle inspected; misrepresenting results is an offence.
- Failure reason communication
- When a vehicle fails, the reasons must be communicated to the operator and retained in the inspection record for accountability.
- Fraud reporting duty
- Inspectors must report suspected odometer tampering or fraudulent documentation to the appropriate regulatory authority.