(NCT) Manual 2010 - Road Safety Authority
(NCT) Manual 2010 - Road Safety Authority
(NCT) Manual 2010 - Road Safety Authority
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39<br />
WHEELS<br />
NATIONAL CAR TEST (<strong>NCT</strong>) MANUAL <strong>2010</strong><br />
Method of Testing<br />
1. Make an inspection of each part of the road wheel, paying particular attention to whether there is:<br />
(a) any fracture of flanges.<br />
(b) any welding breaking away.<br />
(c) any wheel badly distorted.<br />
(d) any stud hole badly worn.<br />
(e) any wheel stud missing.<br />
(f) any wheel nut missing.<br />
(g) any wheel nut loose.<br />
(h) any wheel spokes missing or loose.<br />
2. Check that the correct type of wheel and wheel nut is fitted.<br />
NOTES<br />
1. Any tyre or wheel examination must be performed with the vehicle raised on the lift to ensure that all<br />
parts of the wheel and tyre can be examined thoroughly.<br />
2. Where an owner refuses to allow the wheel covers of the vehicle to be removed, the vehicle should be<br />
refused a certificate on the basis that the wheel nuts have not been inspected.<br />
Wheels<br />
Stud Holes<br />
Studs or Nuts<br />
ITEM<br />
REASONS FOR FAILURE<br />
1 Any cracks or defective welds.<br />
2 More than 13mm (½”) askew or buckled.<br />
3 Incorrectly fitted.<br />
4 Damaged, so that tyre damage or seal damage is possible.<br />
5 Different sizes fitted on the same axle.<br />
6 Any spoke or wheel component in such a<br />
condition that there is a danger of failure.<br />
7 Elongated, or damaged.<br />
8 Damaged or threads stripped or crossed.<br />
9 Any stud or nut missing or loose.<br />
10 Any stud or nut in such a condition that there is an<br />
obvious danger that the wheel will come loose.<br />
11 Nuts incorrectly fitted.<br />
12 Incorrect nuts fitted.<br />
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