| 1. To start and warm up the engine. |
| 2. To muffle the engine. |
| 3. To connect to the engine a control tachometre. |
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4. To turn the lever (2) so that throttle заслонка has completely opened (1 restrictive screw throttle flaps). |
| 5. To start the engine, without pressing an accelerator pedal. |
| 6. To check up frequency of rotation of the engine. It should be in limits (3600±200) mines-1. |
| 7. If it is necessary, to adjust frequency of rotation, turning the restrictive screw. |