| 1. To warm up the engine to working temperature. |
| 2. To connect a control tachometre and a gas analyzer according to the manufacturer instruction. |
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3. To adjust frequency of rotation of idling to (750–850) mines-1 the persistent screw of the lever throttle заслонки the first chamber (it is shown by an arrow). |
| 4. To disconnect a ventilation hose картера. |
| 5. The screw (fig. the Screw of adjustment of quality (structure) carburettor Keihin mixes see) to establish maintenance level oxide carbon (WITH) in the fulfilled gases no more (1,0±0,5) %. To check up and if necessary to restore frequency of rotation of idling, and also the maintenance WITH in the fulfilled gases. |