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ANNEX IU.K. ADMINISTRATIVE PROVISIONS FOR EC TYPE-APPROVAL

4.INSTALLATION ON THE VEHICLEU.K.

4.1.The engine installation on the vehicle shall be performed in such a way as to ensure that the type-approval requirements are met. The following characteristics in respect to the type-approval of the engine shall be taken into consideration:U.K.

4.1.1.

Intake depression shall not exceed that declared for the engine type-approval in Part 1 of Appendix 4;

4.1.2.

Exhaust back pressure shall not exceed that declared for the engine type-approval in Part 1 of Appendix 4;

4.1.3.

Power absorbed by the auxiliaries needed for operating the engine shall not exceed that declared for the engine type-approval in Part 1 of Appendix 4;

4.1.4.

The characteristics of the exhaust after-treatment system shall be in accordance with those declared for the engine type-approval in Part 1 of Appendix 4.

4.2. Installation of a type-approved engine on a vehicle U.K.

The installation of an engine type approved as a separate technical unit on a vehicle shall, in addition, comply with the following requirements:

(a)

as regard the compliance of the OBD system, the installation shall, according to Appendix 1 of Annex 9B to UN/ECE Regulation No 49, meet the manufacturer's installation requirements as specified in Part 1 of Appendix 4;

(b)

[F1as regards the compliance of the system ensuring the correct operation of NO x control measures, the installation shall, according to Appendix 4 of Annex 11 to UN/ECE Regulation No 49, meet the manufacturer's installation requirements as specified in Part 1 of Annex 1 to that Regulation;]

(c)

[F2the installation of a dual-fuel engine type-approved as a separate technical unit on a vehicle shall, in addition, meet the specific installation requirements set out in paragraph 6 of Annex 15 to UNECE Regulation No 49 and the manufacturer’s installation requirements set out in Section 7 of Annex XVIII to this Regulation.]

4.3. Inlet to fuel tanks in the case of a petrol or E85 fuelled engine U.K.

4.3.1.The inlet orifice of the petrol or E85 tank shall be designed so it prevents the tank from being filled from a fuel pump delivery nozzle that has an external diameter of 23,6 mm or greater.U.K.
4.3.2.Point 4.3.1 shall not apply to a vehicle for which both of the following conditions are satisfied:U.K.
(a)

the vehicle is designed and constructed so that no device designed to control the emission of gaseous pollutants is adversely affected by leaded petrol;

(b)

the vehicle is conspicuously, legibly and indelibly marked with the symbol for unleaded petrol specified in ISO 2575:2004 in a position immediately visible to a person filling the fuel tank. Additional marking are permitted.

4.3.3.Provision shall be made to prevent excess evaporative emissions and fuel spillage caused by a missing fuel filler cap. This may be achieved by using one of the following:U.K.
(a)

an automatically opening and closing, non-removable fuel filler cap;

(b)

design features which avoid excess evaporative emissions in the case of a missing fuel filler cap;

(c)

or in case of M1 or N1 vehicles, any other provision which has the same affect. Examples may include, but are not limited to, a tethered filler cap, a chained filler cap or one utilising the same locking key for the filler cap as for the vehicle’s ignition. In this case the key shall be removable from the filler cap only in the locked condition.