| 1. The engine should be heated-up to temperature of cooling liquid 80-95°C. |
| 2. Start up the engine and leave it to work at frequency of rotation of a cranked shaft idling. |
| 3. Check installation of a corner of an advancing of ignition and, if necessary, adjust it. |
| 4. Make a trip on the car during 5 mines for speed of 48 km/h or no more than on 5 with increase frequency of rotation of a cranked shaft to 2000-3000min-1. |
| 5. Then let's to the engine work idling within 2 minutes. |
6. By a tachometer determine frequency of rotation of idling.
Frequency of rotation of idling of the engine of 1,3 l with a mechanical transmission: 850±100 mines-1 at coal of an advancing of ignition 5± 5 ° |