Pre-start check

• Pressure/vacuum gauge indicator shows a failure
• Pressure, vacuum or low level warning devices or gauges are not operating
• Air reservoir drain valves are not operational

• The fifth wheel pivot bracket pin/s or bushes are missing or insecure
• Any towing attachment, any mounting bolts, fasteners or weld beads are loose, cracked, broken or extensively corroded
• The towbar is not securely mounted or is bent or cracked

Tip: If operating in a combination, if possible, perform a tug test to ensure your combination is securely coupled.

• A tyre does not have at least 1.5 mm tread depth in a continuous band which runs around the whole circumference of the tyre and extends across at least 75% of the width of the tyre
• A tyre (including sidewalls) has deep cuts, chunking, bumps, bulges, exposed cords or other signs of carcass failure
• Dual tyres contact each other
• Any wheel has missing, cracked or broken wheel nuts, studs or bolts
• Hub seals are leaking

Tip: If fitted, wheel nut indicators are a quick way to detect wheel nuts which are not properly fastened.

• Any panels, structures, chassis or sub-frame have visible signs of advanced rust or are cracked, distorted, sagging, broken or loose
• The horn is not operational, or is not a single tone, or is not loud enough to warn other road users

• The headlights, direction indicator lights, brake lights, tail lights, reversing lights or clearance lights are damaged or not operational
• For an LED type light, more than 30% of the individual LEDs do not function (if a lamp has 10 LEDs, at least 7 must be working)

• Any reflective surface of a rear view mirror has a missing section, is cracked, is deteriorated reducing the view to the rear of the vehicle or is obscured

• The primary vision area (swept by the wipers) is damaged (such as scoring, sandblasting or severe discolouration) so that it interferes with the driver’s view
• The primary vision area has a bullseye or star fracture over 16 mm in diameter, a hairline crack over 30 mm long, or a crack from the edge of the windscreen over 75 mm long

• Oil leaks from the engine, gearbox, differential, brake system, power steering or any joint or seal onto brake friction surfaces, the exhaust system or the road surface