Division 1.2.3

During each six-hour period, the engine shall be run, under the following conditions in turn:

1. (a)

   five minutes at idling speed;

2. (b)

   one-hour sequence under 1/4 load at 3/4 of rated maximum speed (S);

3. (c)

   one-hour sequence under 1/2 load at 3/4 of rated maximum speed (S);

4. (d)

   10-minute sequence under full load at 3/4 of rated maximum speed (S);

5. (e)

   15-minute sequence under 1/2 load at rated maximum speed (S);

6. (f)

   30-minute sequence under 1/4 load at rated maximum speed (S).

Total duration of the six sequences: three hours.

Each period shall comprise two sequenced sets of those conditions in consecutive order from (a) to (f).