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Division 2.2.1

United Kingdom

Original text. Later amendments are not shown.

The speed of the vacuum source shall be:

  1. 2.2.1.1.

    Where the vacuum source is the vehicle engine, the engine speed obtained with the vehicle stationary, the neutral gear engaged and the engine idling;

  2. 2.2.1.2.

    where the vacuum source is a pump, the speed obtained with the engine running at 65 % of the speed corresponding to its maximum power output; and

  3. 2.2.1.3.

    where the vacuum source is a pump and the engine is equipped with a governor, the speed obtained with the engine running at 65 % of the maximum speed allowed by the governor.