Heavy Vehicle (Vehicle Standards) National Regulation
sch.2-sec.92Operation of brakes on a heavy trailer
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sch.2-sec.92 Operation of brakes on a heavy trailer
The braking system of a heavy trailer must allow the driver of the towing vehicle to operate the brakes from the normal driving position. However, subsection (1) does not apply to an unloaded converter dolly that weighs under 3t if the heavy motor vehicle towing the converter dolly has a GVM over 12t. The brakes on a heavy trailer must, if the trailer breaks away from the towing vehicle— operate automatically and quickly; and remain in operation for at least 15 minutes after the break-away; and be able to hold the trailer on a 12% grade while in operation after the break-away. (sch.2-sec.92-ssec.1) The braking system of a heavy trailer must allow the driver of the towing vehicle to operate the brakes from the normal driving position. (sch.2-sec.92-ssec.2) However, subsection (1) does not apply to an unloaded converter dolly that weighs under 3t if the heavy motor vehicle towing the converter dolly has a GVM over 12t. (sch.2-sec.92-ssec.3) The brakes on a heavy trailer must, if the trailer breaks away from the towing vehicle— operate automatically and quickly; and remain in operation for at least 15 minutes after the break-away; and be able to hold the trailer on a 12% grade while in operation after the break-away.
- (a) operate automatically and quickly; and
- (b) remain in operation for at least 15 minutes after the break-away; and
- (c) be able to hold the trailer on a 12% grade while in operation after the break-away.