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Division 3.3.2.1 Pre-conditioning

United Kingdom

Original text. Later amendments are not shown.

As specified for Option 1 in 3.1.2.4. with an exception for the following:

  • The pre-conditioning shall be performed on the direct drive gear without applied torque to the output shaft or target torque on the output shaft set to zero. If the transmission is not equipped with a direct drive gear, the gear with the ratio closest to 1:1 shall be used.

    or

    The requirements as specified in 3.1.2.4. shall apply, with an exception for the following:

  • The pre-conditioning shall be performed on the direct drive gear without applied torque to the output shaft or the torque on the output shaft being within +/- 50 Nm. If the transmission is not equipped with a direct drive gear, the gear with the ratio closest to 1:1 shall be used.

    or, if the test rig includes a (master friction) clutch at the input shaft:

    The requirements as specified in 3.1.2.4. shall apply, with an exception for the following:

  • The pre-conditioning shall be performed on the direct drive gear without applied torque to the output shaft or without applied torque to the input shaft. If the transmission is not equipped with a direct drive gear, the gear with the ratio closest to 1:1 shall be used.

    The transmission would then be driven from the output side. Those proposals could also be combined.