This SCR system adopts mutilayer Nylon Tube made of ETFE/PA12. These tubes hace excellent performance of corrosion resistance and low Urea solution permeation. They meet the requirements of SAE J844. SCR system is made up of supplying tubes, returning tubes and injection tubes.
Because of the flexibility of the pipeline, the pipeline is often used in hydraulic systems and other mechanical devices driven by liquid. Because of the various parts of the car generally dispersed installed in various parts of the car, the car line like blood vessels in the body, responsible for linking these dispersed components, so that the complete system of automobile work orderly.
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How to check the working pressure of the brake system of a car brake system
Follow these steps:
1 After adjusting the safety valve, stop the engine operation, slowly open the blowdown switch on the middle and rear wheel brake air cylinders, make the barometer indicate at 790 kPa, and slowly turn the pressure regulating screw of the pressure regulator valve to The pressure regulator purge valve opens and exhaust begins.
2 Reopen the blowdown switch on the brake cartridges in the middle and rear wheels to gradually reduce the air pressure in the air reservoir. When the air pressure drops to 720 kPa, the purge valve of the pressure regulator valve should be stopped and exhausted.
3 Fix the regulator screw with a screwdriver and lock it with the lock nut.
4 Restart the engine and continue to raise the air pressure. When the purge valve starts to exhaust, observe whether the air pressure indicated by the barometer is stable at 790 kPa. Otherwise, it should be adjusted again to meet the requirements.