1. Check is carried out on the cold engine. Designate and disconnect hoses and uncover the air filter. |
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2. Zaslonka is in the top part of the carburetor (it is specified by an arrow). Squeeze out to the full a butterfly valve pedal – the zaslonka should be closed completely. Start the engine – at start the zaslonka should be slightly opened a little. |
3. In process of engine warming up the zaslonka should be slightly opened a little. |
4. Some minutes later the zaslonka should open completely. Press sharply a pedal of a butterfly valve and be convinced that the cam of fast idling left gearing with the lever. |
5. At completely covered zaslonka the engine should work at the raised turns of idling. In process of opening of an air zaslonka the butterfly valve moves and deduces a cam from gearing with the lever, turns of idling decrease. |