Document ID: chunk:federal_register_of_legislation:F2021C01210:reg:6:p14
Version: federal_register_of_legislation:F2021C01210
Segment Type: reg
Provision Reference: reg 6 (pt 14/24)
Character Range: 37344–40258

Regulation shall be placed in vertical columns to the right of the symbol prescribed in paragraph 14.4.1.
        14.6 The approval mark and the additional symbol shall be clearly legible and be indelible.
        14.7 The approval mark shall be placed close to or on the vehicle data plate affixed by the manufacturer.
        14.8 Annex 3 to this Regulation gives examples of the arrangements of the approval mark and of the additional symbol.

15. SPECIFICATIONS AND TESTS
15.1 General
        The diesel engine fitted on the vehicle shall be of a type approved under Part I of this Regulation. The components liable to affect the emission of visible pollutants shall be so designed, constructed and assembled as to enable the vehicle, in normal use, despite the vibration to which it may be subjected, to comply with the provisions of this Regulation.
        It shall be possible to inspect the vehicle for roadworthiness by determining its performance in relation to the data collected for type approval as reported in paragraph 11.1.2.2. of Annex 2 to this Regulation.  If this inspection requires a special procedure, this shall be detailed in the service manual (or equivalent media).  This special procedure shall not require the use of special equipment other than that provided with the vehicle.
            l/  See footnote on page 4.
15.2 Specifications concerning cold-start devices
        15.2.1 The cold-start device shall be so designed and constructed that it cannot be brought into or kept in action when the engine is running normally.
        15.2.2 The provisions of paragraph 15.2.1 above shall not apply if at least  one of the following conditions is met:
        15.2.2.1 The light absorption coefficient of the gases emitted by the engine at steady speeds when measured by the procedure prescribed in annex 4 to this Regulation with the cold-start device operating, is within the limits prescribed in annex 7 to this Regulation.
        15.2.2.2 Keeping the cold-start device in operation causes the engine to stop within a reasonable time.
15.3 Installation
        15.3.1 The installation of the engine shall respect in particular the following limitations with respect to the type approval of the engine:
           Intake depression shall not exceed that of the type approved engine
           Exhaust back pressure shall not exceed that of the type approved engine
           Exhaust system volume is within + 40 per cent of the type approved engine
           Moment of inertia of the combined flywheel and transmission is within + 15 per cent of the type approved engine.

16. MODIFICATION OF THE VEHICLE TYPE AND EXTENSION OF APPROVAL
        16.1 Every modification of the vehicle type with regard to the characteristics in annex 1 shall be notified to the administrative department which approved the vehicle type. The department may then either:
        16.1.1 Consider that