High quality Diesel Fuel Injection 0445110418 Common Rail Injector Bus Truck Spar Parts

Otherwise, the force of the tappet on the tail rod of the nozzle needle valve will also produce a certain radial component. Although the force is not large, it is easy to block or even pin the needle valve in the needle valve body. The tightening of the nozzle cap has great influence on the spray quality and air tightness of the injector. Therefore, the coal deposit at the shoulder contact shoulder foot of the nozzle cap and the nozzle needle valve body shoulder must be thoroughly cleaned up when the nozzle cap and the sealing washer contact plane is burned should be ground or replaced with the short injector of the shaft needle injector couple, according to the size of the valve body of the tight cap needle extending out of the hole is generally divided into two parts and must be a specification, can be used for each other. It is worth noting that, for the nozzle needle valve body out of the aperture must be the tight cap, assembly must pay attention to the nozzle needle valve body and the nozzle shell for the nozzle needle a valve body out of the aperture of the tight cap, must pay attention to the nozzle needle valve body in the tight cap hole rotation flexibility, if necessary according to the specified torque tight cap and then unscrew, Check whether the valve body of the nozzle needle rotates flexibly in the tight cap. If it is not flexible, it should be filed or replaced. The plane contacting the valve body of the injector shell and the nozzle should be smooth, smooth, no carbon accumulation and no scratches. When there are carbon deposits, it should be thoroughly cleaned when there are scratches, light should be ground, heavy should be ground again and again after grinding on the surface grinder.