1. The system serves for decrease in maintenance of an oxide of nitrogen in exhaust gases It collects a part of exhaust gases from a final collector and directs them to an inlet collector

13:1á System of feedback of the carburetor engine - early models 1. Damper 2. Diaphragm of system of bystry idling 3. Electromagnetic valve of system of bystry idling 4. For models with the 4-staged mechanical transmission 5. Electromagnetic valve of the distributor of ignition 6. Ignition distributor 7. Double diaphragm 8. From the coal filter 9. Blowing-off valve 10. The sensor of temperature of the arriving air 11. The injecting valve 12. Concentrating valve 13. Fuel interruption in supply valve 14. Sensor of provision of a butterfly valve 15. The additional operating valve 16. The operating valve of system of recirculation of exhaust gases 17. Temperature valve 18. Sensor of temperature of cooling liquid 19. Vacuum switch 20. Catalytic converter 21. Catalytic converter 22. Sensor of content of oxygen 23. Lamellar valve 24. Air valve 25. Additional air valve

2. The system consists of the valve of system of recirculation, the additional valve (on some models) and the temperature valve (13.1a)