Made in China Diesel Fuel Injector Nozzle DLLA148S1226 Diesel Nozzle Engine Spare Parts

The injector nozzle is one of the three pairs of precision couplings of the diesel fuel supply system. Its normal service life is more than one thousand hours. However, due to improper use, often use hundreds of hours, or even dozens of hours on the wear and tear card dead.
First, the main reasons for the fuel injector stuck:
1, diesel fuel is not clean, high-pressure fuel pipe with impurities. In addition, the injector spring and other parts of the dirt through the injector tappet moved to the upper part of the injector needle valve will also make the needle valve coupling stuck.
2, the machine temperature is too high injector cooling is poor, resulting in the oil valve coupling stuck.
3, the oil valve wear, so that the injector stops spraying oil dripping phenomenon, in order to cause the injector nozzle burning charcoal, jamming failure.
4, injector installation, leakage gasket or gasket damage, resulting in air leakage, resulting in injector local temperature is too high and stuck.
5, the injection pressure is too low, resulting in high-pressure gas in the combustion chamber backlash;
6, parts manufacturing reasons.
Second, the repair method of injector jamming: first of all, the jammed injector into the diesel fuel or oil heating, and then remove the cloth wrapped, and then clamp the needle valve with a pair of hand pliers and slowly activities, the needle valve from the needle valve body out. A small amount of clean oil drops in the needle valve body, so that the needle valve in the needle valve body repeated activities, until the needle valve can move freely in the needle valve body. If the sealing surface of the needle valve has burn marks, it should be ground with grinding paste. Grinding should pay attention to grasp the amount of grinding paste and grinding time. Clean the bell valve coupling installed on the injector, and adjust the injection pressure can be reused.