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Elements and Performance Criteria

1. Carry out trailer safety inspection
   • Pre-operational inspections and checks of trailer are carried out according to manufacturer specifications and workplace procedures
   • Trailer load is inspected and secured according to manufacturer specifications and workplace procedures
   • Safe condition of towing vehicle is determined according to manufacturer specifications and workplace procedures
2. Connect trailer to vehicle
   • Trailer and vehicle are aligned and trailer is coupled to vehicle according to manufacturer specifications, workplace procedures and safety requirements
   • Ancillary devices are connected between vehicle and trailer according to manufacturer specifications and workplace procedures
   • Trailer and vehicle connections are tested according to manufacturer specifications and workplace procedures
   • Faults are identified and action is taken to report them according to workplace procedures
3. Drive and manoeuvre trailer
   • Brake lock-out devices are set according to manufacturer procedures
   • Trailer is safely manoeuvred by vehicle in forward and reverse directions and parked according to road safety regulations, and without causing damage to trailer, towing vehicle, other vehicles or surrounding environment
4. Disconnect trailer from vehicle
   • Parking devices of trailer and vehicle are applied as appropriate according to manufacturer procedures
   • Ancillary devices are disconnected and trailer is decoupled from vehicle according to manufacturer specifications, workplace procedures and safety requirements
   • Trailer or vehicle is placed in appropriate parking area according to road safety regulations
5. Carry out trailer safety inspection
   • Pre-operational inspections and checks of trailer are carried out according to manufacturer specifications and workplace procedures
   • Trailer load is inspected and secured according to manufacturer specifications and workplace procedures
   • Safe condition of towing vehicle is determined according to manufacturer specifications and workplace procedures
6. Connect trailer to vehicle
   • Trailer and vehicle are aligned and trailer is coupled to vehicle according to manufacturer specifications, workplace procedures and safety requirements
   • Ancillary devices are connected between vehicle and trailer according to manufacturer specifications and workplace procedures
   • Trailer and vehicle connections are tested according to manufacturer specifications and workplace procedures
   • Faults are identified and action is taken to report them according to workplace procedures
7. Drive and manoeuvre trailer
   • Brake lock-out devices are set according to manufacturer procedures
   • Trailer is safely manoeuvred by vehicle in forward and reverse directions and parked according to road safety regulations, and without causing damage to trailer, towing vehicle, other vehicles or surrounding environment
8. Disconnect trailer from vehicle
   • Parking devices of trailer and vehicle are applied as appropriate according to manufacturer procedures
   • Ancillary devices are disconnected and trailer is decoupled from vehicle according to manufacturer specifications, workplace procedures and safety requirements
   • Trailer or vehicle is placed in appropriate parking area according to road safety regulations

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Pre-operational inspections and checks must include:	braking systems suspension and axles electrical systems wheels and tyres.
Safety requirements must include:	work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for manually manoeuvring trailers.

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Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

drive and manoeuvre two different trailers on a road with curves.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to driving and manoeuvring trailers, including procedures for manually manoeuvring trailers

key features of relevant state and territory regulations relating to trailers, including those relating to:

couplings

safe towing weights

towing speeds

braking

application, purpose and operation of trailers, including:

pivot and non-pivot trailers

definition of aggregate trailer mass and gross trailer mass

trailer coupling systems, including:

tow ball

lunette ring

weight distributing hitch

inspection procedures for trailers, including:

coupling system

electrical system

braking system

wheel assembly and bearings

suspension system

loading procedures for trailers, including:

centre of mass location

tongue weight

methods for determining maximum towing capacity of vehicle

methods for determining load capacity of towbar

driving and manoeuvring techniques, including:

effects of trailer on overall turning circle

effects of trailer on acceleration, steering and braking

methods of avoiding and controlling vehicle and trailer sway

methods of reversing a trailer.

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