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Council Directive of 26 July 1971 on the approximation of the laws of the Member States relating to the braking devices of certain categories of motor vehicles and of their trailers (71/320/EEC) (repealed)
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- Revised 01/11/20140.44 MB
- Revised 01/07/20131.78 MB
- Revised 01/01/20071.13 MB
- Revised 01/05/20041.16 MB
- Revised 24/10/20021.16 MB
- Revised 07/04/19981.14 MB
- Revised 22/08/19910.91 MB
- Revised 30/03/19880.84 MB
- Revised 03/01/19860.84 MB
- Revised 24/04/19790.57 MB
- Revised 31/07/19750.50 MB
- Revised 20/02/19740.40 MB
- Revised 01/01/19730.36 MB
- Revised 30/07/19710.36 MB
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Changes over time for: Division 3.3.
Version Superseded: 01/11/2014
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[F13.3. The simulator shall have the following features: U.K.
3.3.1. It shall have a reservoir with a capacity of 30 litres which shall be charged to a pressure of 6,5 bar before each test and which shall not be recharged during each test. At the outlet of the braking control device the simulator shall incorporate an orifice with a diameter of from 4,0 to 4,3 mm inclusive. The volume of the pipe measured from the orifice up to and including the coupling head shall be 385 ± 5 cm 3 (which is deemed to be equivalent to the volume of a pipe 2,5 m long with an internal diameter of 13 mm and under a pressure of 6,5 bar). The control line pressures referred to in point 3.3.3 shall be measured immediately downstream of the orifice. U.K.
3.3.2. The braking system control shall be so designed that its performance in use is not affected by the tester. U.K.
3.3.3. The simulator shall be set, e.g. through the choice of orifice in accordance with point 3.3.1, in such a way that, if a reservoir of 385 ± 5 cm 3 is joined to it, the time taken for the pressure to increase from 0,65 to 4,9 bar (10 and 75 % respectively of the nominal pressure of 6,5 bar), shall be 0,2 ± 0,01 seconds. If a reservoir of 1 155 ± 15 cm 3 is substituted for the abovementioned reservoir, the time taken for the pressure to increase from 0,65 to 4,9 bar without further adjustment shall be 0,38 ± 0,02 seconds. Between these two pressure values the pressure shall increase in an approximately linear way. These reservoirs shall be connected to the coupling head without using flexible pipes and shall have an internal diameter of not less than 10 mm. U.K.
3.3.4. The diagram in the Appendix to this Annex gives an example of the correct configuration and use of the simulator.] U.K.
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