5.16.8. Removal, check and installation of fuel nozzles
Signs of malfunction of nozzles:
– the complicated launch of the engine;
– unstable operation of the engine;
– the engine becomes deaf idling;
– the increased frequency of rotation of a bent shaft idling;
– the engine does not develop full capacity, insufficient acceleration performance of the engine;
– breakthroughs and failures in operation of the engine at the movement of the car;
– the increased fuel consumption;
– the increased maintenance of CO and CH in the fulfilled gases;
– kalilny ignition because of leakage of nozzles.
It will be required to you: a face head "on 10", the screw-driver with a flat edge, an autotester.
1. Reduce pressure in a power supply system (see. "Pressure decrease in a power supply system").
2. Disconnect a wire from the minus plug of the rechargeable battery.
3. Remove the air filter (see. "Removal and installation of the air filter").
4. Squeeze clamps and disconnect from a nozzle of a block of a plait of wires.
Note
Blocks with a plait of wires are removed in a special cover.
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5. Measure by an automobile tester nozzle winding resistance in the mode of an ohmmeter. At 20 °C it has to make 14 Ohms. If resistance of a winding of a nozzle does not meet standard, replace a nozzle as it is not maintainable.
Note
In a form of the sprayed torch of fuel and on tightness you carry out check of a nozzle at specialized service stations as such check directly on the car is very fire-dangerous.
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6. For replacement of nozzles turn out two bolts of fastening of a fuel stage.
7. Remove a stage, having taken out nozzles from openings in an inlet pipe and not disconnecting the pipeline from a stage.
10. Bring a nozzle out of a clamp.
Prevention
At each removal of nozzles replace rubber sealing rings new.
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11. For replacement of sealing rings of nozzles remove them from a spray …
12. … and from the nozzle case. Having established new rings, oil them engine.
13. If you establish former nozzles, accurately wash out their sprays solvent or a cleaner for the carburetor.
Prevention
Washing of nozzles with an okunaniye in the washing structure as at the same time their electric part will be damaged is not allowed.
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14. Establish details as it should be, the return to removal.