| 1. To check up distributor installation (an initial corner of an advancing of ignition). |
| 2. To disconnect the pipeline of a vacuum regulator. |
| 3. To connect a stroboscope to a wire of ignition of the cylinder 1, and also a tachometre. |
| 4. To use a point "0" on an adjusting plate as a reference point. To check up an advancing corner in degrees according to the characteristic. |
| 5. If the measured values do not correspond necessary it is necessary to check up the distributor at the stand. |