2.3.2. Keihin carburetors
Keihin carburetor
| 1. Cover 2. Needle valve 3. Gate lever 4. Idling mode screw 5. Persistent screw 6. Gate axis 7. Diaphragm starting arrangement 8. Float 9. Pump lever 10. Main air jets 11. Emulsion tubes |
12. Jet of the accelerating pump 13. Jet of the holsty course 14. Main fuel jets 15. Electromagnetic valve of the economizer of compulsory idling 16. Mix enrichment screw 17. Accelerating pump 18. Case 19. Pneumatic actuator of a butterfly valve, secondary camera |
Keihin carburetors – for the models equipped with liter engines 1.6 and 1.8.
The carburetor with two mixing cameras with the falling stream of Keihin 26-30DC includes: the hand-operated air gate, two cameras with a pneumatic actuator, with the special device on the second camera (automatic locking of the second camera on the cold engine), the accelerating membrane pump set in motion by the core operating on the first camera, the dresser of air-controlled full loading on the first camera, the electrovalve of a cut-off of a chain of turns of idling. Preliminary heating in an inlet branch pipe is provided with an electric heater (0.25±0.50 Ohms) with food via the relay operated by a thermal contact on the engine (short circuit is below 55 °C and disconnection is above 65 °C). Besides, the carburetor is supplied with the pneumatic device operated by the electrovalve and intended for a delay of return of a butterfly valve to the provision of turns of idling at delay to 1800 rpm. Function is provided with the electronic block which considers the engine mode.