Electromagnetic valve of system (VAD) (L3). Mazda 3 (since 2003 release)
Mazda 3 since 2003
1. Operation and maintenance of the car
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.1.1. Mechanical part of engines
2.1.2. Mechanism of change of phases of gas distribution
2.1.3. Lubrication system
2.1.4. Cooling system
2.1.5. Fuel system
2.1.5.1. General information
2.1.5.2. System of an admission
2.1.5.3. The main features of an air duct with variable characteristics (VAD) (L3)
2.1.5.4. Executive mechanism of system (VAD) (L3)
2.1.5.5. Electromagnetic valve of system (VAD) (L3)
2.1.5.6. Backpressure valve of system (VAD) (L3)
2.1.5.7. Fuel knot
2.1.5.8. Block of the fuel pump
2.1.6. System of production of the fulfilled gases and system of decrease in toxicity
2.1.7. Electric equipment of engines
2.2. Mechanical part of engines
2.3. Appendix 1
2.4. Appendix 2
2.5. Appendix 3
2.6. The Z6 engine – a mechanical part
2.7. Lubrication system
2.8. Cooling system
2.9. System of an admission
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. System of ignition
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 








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2.1.5.5. Electromagnetic valve of system (VAD) (L3)

Fig. 2.59. Electromagnetic valve of the VAD system: 1 – food is included; 2 – food is switched off; 3 – channel A (to the atmosphere); 4 – channel B (on the executive mechanism); 5 – channel C (to an inlet collector); 6 – spiral; 7 – plunger; 8 – spring


The electromagnetic valve changes the channel of vacuum of an inlet collector between an inlet collector and the executive mechanism. When food is included, the plunger of the valve is delayed and opens pass between air channels A and B which opens access to atmospheric air to the executive mechanism of the gate. When food is switched off, the plunger comes back forward and opens pass between air channels B and C which opens access to vacuum from an inlet collector to the executive mechanism of the gate. The electromagnetic valve consists of the solenoid, a spring, a plunger and the filter (fig. 2.59).

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2.1.5.4. Executive mechanism of system (VAD) (L3)
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2.1.5.6. Backpressure valve of system (VAD) (L3)




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