NCT Manual. - National Car Testing Service
NCT Manual. - National Car Testing Service
NCT Manual. - National Car Testing Service
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TOWING BRACKET/COUPLING<br />
NATIONAL CAR TEST (<strong>NCT</strong>) MANUAL 2012<br />
Method of <strong>Testing</strong><br />
NOTES<br />
1. This inspection applies only where a vehicle is fitted with equipment for towing trailers.<br />
Drawing Coupling<br />
1. Examine the drawing vehicle coupling ball/jaw and pin. Note the condition of these components and ensure that they are free<br />
from excessive wear, distortion and/or fracture.<br />
2. Check the body of the coupling for wear, distortion or cracks.<br />
3. Examine the cross/chassis member to which the coupling is mounted, paying particular attention to security and cracks.<br />
4. Check that the coupling assembly is securely attached to the vehicle.<br />
5. Check that locking or safety devices are in position and working correctly.<br />
ITEM<br />
Vehicle Drawing Pin/Ball/Jaw<br />
REASONS FOR FAILURE<br />
1 Loose or missing fastening bolts or securing devices.<br />
2 Lock or blocking devices missing.<br />
3 Cracks in the main parts of the coupling.<br />
4 Excessively worn, deformed or damaged ball, jaw or pin.<br />
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