pins, jaws or hooks that have worn by more than 25% of their original thickness.There might be movement (‘play’) in some detachable tow balls between the receiver socket and the tapered swan neck fitting, with up to 3mm movement measured at the ball end. If a tow ball or pin is not fitted at the time of test - because it’s detachable, it’s been unbolted or otherwise removed - but the attachment brackets are still in place, the brackets should still be assessed unless they have been deliberately rendered unfit for further use. However, if you need tools to do this, you do not need to do it. You must test retractable towbars in their ‘in-use’ position. When checking coupling mechanisms, you may also need to check inside the luggage compartment and lift loose fitting mats or carpet. If coupling mechanisms are behind access panels in the bumper, bodywork or removable panel, you must remove them to inspect the coupling mechanism unless tools are needed to do this. You must remove tow ball covers to inspect the tow ball. You do not need to inspect emergency towing eyes. Towbar mounting points are not prescribed areas and the vehicle structure should only be rejected if its strength or continuity is significantly reduced. You must also inspect the vehicle structure within 30cm of any towbar mounting point and assess its strength and continuity. You must inspect all types of coupling mechanisms and towbars fitted to the rear of a vehicle, including fifth-wheel couplings. (a) A spare wheel carrier fractured or insecureĦ.1.6. This inspection is only for externally-mounted spare wheel carriers. (i) insecure or with damage likely to cause injury when grazed or contacted (f) Any part of an LPG/CNG/LNG or hydrogen system defective (e) Fire risk due to fuel tank shield or exhaust shield missing where fitted as original equipment (ii) leaking excessively or a risk of fire (i) leaking, or missing or ineffective filler cap (ii) insecure such that there is a risk of fire Only fail a vehicle for missing heat shields if there’s a risk of fire with other fuel system components. You must follow the manufacturer’s instructions when using leak detection products. To check for leaks on gas powered vehicles, use a leak detection product conforming to the standard BS EN 14291-2004. If you cannot get access to the fuel filler cap, see item 4g in the Introduction. If a fuel tank has a hole or the filler neck is split and fuel can leak from it, you must fail it for leaking even if the hole or split is above the fuel line. You might need to open the luggage compartment to carry out a full inspection of the fuel system. You must check the fuel system on all vehicles with internal combustion engines and hydrogen fuel cells. (ii) causing a danger to health of persons on board (a) Exhaust system has a major leak or is insecure One or more missing or defective exhaust mountings does not necessarily make the exhaust insecure.įor exhaust noise assessment, see Section 8.1.1.įor assessment of catalytic converters and diesel particulate filters, see Section 8.2. You need to assess the overall security of the exhaust system. You must check the exhaust system of all vehicles with an internal combustion engine, including hybrid vehicles. (d) A main load-bearing structural member modified or inadequately repaired such that: (ii) steering or braking is likely to be adversely affected (i) the rigidity of the assembly is significantly reduced (c) Vehicle structure corroded to the extent that: (ii) so insecure that structural rigidity is seriously reduced (ii) fractured or deformed such that steering or braking is likely to be adversely affected (i) fractured or deformed such that structural rigidity is significantly reduced (a) A main load-bearing structural member: You can find guidance on assessing corrosion in Appendix A of this manual. Vehicles should only be failed under (a), (c) or (d) in this section if the overall structural rigidity of the vehicle is significantly reduced. These are checked under sections 1 (brakes), 2 (steering), 5 (axles, wheels, tyres and suspension) and 7 (other equipment). This sub-section covers the condition of the general structure but does not include prescribed areas.
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