Document ID: chunk:federal_register_of_legislation:F2023C00157:body:0:p8
Version: federal_register_of_legislation:F2023C00157
Segment Type: other
Provision Reference: 
Character Range: 20081–23014

part of it shall be removable with simple tools. No other prescribed or permissible lighting or light- signalling devices shall be impaired in their effectiveness either by parts or by the operation of the headlamp cleaner, except during the cleaning period; it must above all not systematically deposit any dirt when in normal service, on the light-emitting surfaces of other lighting or light-signalling devices;

       6.5.4. The control of the cleaning device shall be operable from the drivers seat and may be coupled with the controls for other cleaning devices.

       6.6. In the case where on a vehicle submitted for approval a headlamp cleaner previously approved as a component is fitted, only the requirements set forth in paragraphs 6.5 to 6.5.4. shall be verified.

       7. CLEANING EFFICIENCY VERIFICATION

       7.1. The efficiency of the cleaner shall be tested in accordance with the requirements of annex 4 to this Regulation. The cleaning efficiency at the points on the measuring screen which are specified below shall, after every cleaning period amount to at least 70 % for the passing lamp and driving lamp.

Diagram of Measuring Points on a Screen

       7.2. The measuring point shall be located as shown in the above sketch, on a screen situated 25 m from the headlamp and perpendicular to its axis.

       7.3. Measuring points for the passing lamp

       7.3.1. Headlamps approved in respect of the passing beam only (marking C or HC) Measuring points: 50 R(L) and 50 V. [4/]

       7.3.2. Headlamps approved in respect of the passing beam and the driving beam (marking CR, HCR, C+R, C+HR, HC+R or HC+HR)

         Measuring points; 50 R(L) (and 50 V if in the same headlamps, different optic systems for the driving lamp and the passing lamp are provided).

       7.4. Measuring point for the driving lamp

         Measuring point: HV.

       8. MODIFICATIONS OF TYPE AND EXTENSION OF APPROVAL

       8.1. Every modification of a type of headlamp cleaner or a vehicle type shall be notified to the administrative department which issued the approval. The department may then either:

       8.1.1. Consider that the modifications introduced are unlikely to have an appreciable adverse effect and that in any case the headlamp cleaner or the vehicle still complies with the requirements; or

       8.1.2. Require a further test report from the technical service responsible for conducting the tests.

       8.2. Confirmation or refusal of approval, specifying the alternations, shall be communicated by the procedure specified in paragraph 5.4. above to the Parties to the Agreement applying this Regulation.

       8.3. The competent authority issuing the extension of approval shall assign a series number to each communication form drawn up for such an extension.

       9. CONFORMITY OF PRODUCTION

       9.1. Every vehicle or headlamp cleaner bearing an approval mark as prescribed