Injector needle stuck prevention

1. According to the requirements of maintenance 1 regular washable. When cleaning the injector, remove the fuel injector cap, remove the injector needle valve assembly, clean all parts of the injector with cleaned diesel, and then use a sharpened wooden stick or bamboo stick to wash the needle. Carbon deposition on the valve body and head, and then the needle body and needle valve are cleaned in diesel. 2 Check the shape of the tight cap. If the deformation of the cap is slight, the deformation can be corrected with a circular file; if the deformation is severe, a new one should be replaced. The deformed tight cap easily deforms the needle valve body, causing the needle valve to become stuck during operation. When tightening the fuel injector tight cap, the torque should not be too large, and it must be tightened several times; and the adjustment screw should be loosened to prevent the top rod of the injector from being bent at the top, resulting in that the top rod pit cannot be perfectly aligned with the needle valve. "The eccentric wear occurred. 3 Adjust the injection pressure. Check the sealing performance of the injector first, and there must be no leakage at each joint. If the sealing surface of the needle valve is bad, use toothpaste and alumina abrasive to grind. After the injection pressure is adjusted well, it is not allowed to drip or spray into a linear shape at the beginning and after the injection. The injection should be accompanied by a crisp “click” sound. 4 Installation precautions. When the assembly is installed on the cylinder head, the carbon deposit and dirt in the mounting hole should be removed to check if the sealed copper pad is intact to prevent high pressure gas from leaking and damaging the injector. The fastening force of the fixed platen bolts should not be too large. Otherwise, the needle body may be deformed and the needle valve may get stuck. 2. To prevent the injector temperature is too high 1 to maintain a good heat dissipation. The copper gasket is used for the sealing gasket, and an appropriate gap (2-4mm) should be left between the injector and the mounting hole to ensure good heat dissipation of the injector. 2 Maintain normal machine temperature. The carbon deposits around the combustion chamber, intake and exhaust valves, pistons, cylinder liners, exhaust ports, and injectors are regularly removed. Carbon deposits can cause poor engine cooling, poor exhaust gas, or excessive local temperature and burn out the injectors. . 3. Keep clean. 1 Keep the oil circuit clean. When disassembling parts such as high-pressure fuel pipes, diesel filter elements, and discharge valve parts, they should be cleaned. Before the high-pressure fuel pipe is connected to the injector, the throttle should be increased to drive the engine to idle for several revolutions to allow the dirty oil to drain. 2 Keep the diesel clean. Regularly maintain the oil supply system, carefully clean the diesel filter, replace the damaged filter element and the seal ring in time; the diesel must be precipitated and filtered before adding it to the fuel tank.

Goji Berry ( [Goji" means [happy") , also called wolfberry, has been used for thousands of years by herbalists in China to protect the liver, help eyesight, boost immune function, improve circulation, and promote longevity and overall well being. It has only recently gained popularity in the west, it has become so polar, in fact, the Time Magazine recently named the Goji berry as [super-fruit" of the year. A big reason why Goji berries have quickly become a favorite nutritional supplement is that its impressive list of ingredients. The Goji berry, also called the wolfberry, is a bright purplish red or purple red berry that comes from a shrub that is native to China. In Asia, goji berries have been eaten for generation in the hope of living longer.    

 

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