Before adjusting, make sure (see photo):
- the air supply control cone of the warm-up sensor protrudes at least 9-10 mm (size «A»);
- distance between the mixture enrichment lever and the fastening nut (fuck size) equal to 4 mm;
- stem 1 touches stop 2.
Adjusting screw 3 for the amount of the mixture, set the crankshaft speed within 900±50 rpm. Adjust the carbon monoxide content (SO) in the exhaust gases by adjusting screw 4 quality (composition) mixtures. If necessary, re-adjust the idle speed of the engine with screw 3.