| 1. To warm up the engine. |
| 2. To remove the air filter (see subsection 6.1.2). |
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3. To disconnect a vacuum hose (1) from a pneumatic actuator (2) butterfly valves of the first chamber. |
| 4. To connect a control tachometer according to the instruction of manufacturer. |
| 5. To start the engine and to leave to idle. |
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| 6. To check rotation frequency on a control tachometer, it has to be 3500 min.-1. If necessary to adjust rotation frequency, bending or unbending a fork of the lever of the drive of a butterfly valve of the first chamber. |
| 7. To remove the carburetor and probes to check a priotkryvaniye of a butterfly valve of the first chamber which has to be on models with mechanical transmission (1,3±0,1) mm, and on models with automatic transmission (1,5±0,1) mm. If necessary to adjust a priotkryvaniye of a butterfly valve, bending / squeezing or unbending / unclenching a lever fork. |