News

  • Maintenance method of the air filter

    The air filter is carefully maintained in accordance with the use regulations, which can not only extend the service life of the air filter, but also provide a good working condition for the diesel engine. Therefore, pay attention to the following items when using: l. The paper filter element sho...
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  • How to maintain the fuel system of the bulldozer

    Technical maintenance is a very important task. If done well, it can not only make the bulldozer operate safely, but also extend its service life. Therefore, before and after the operation, the bulldozer should be inspected and maintained as required. During the operation, you should also pay att...
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  • How to maintain the cooling system of the bulldozer

    1. Use of cooling water: (1) Distilled water, tap water, rainwater or clean river water should be used as cooling water for diesel engines. Dirty or hard water (well water, mineral water, and other salty water) should not be used to avoid scaling and erosion of cylinder liners. Only under hard wa...
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  • Solution to the problem of discoloration of the cylinder of the excavator (black cylinder)

    After the excavator has been working for a period of time, the cylinders of the large and small arms will be discolored, especially the older machines. The discoloration is more serious. Many people are not sure what is causing it, and think it is a quality problem of the cylinder. The discolorat...
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  • Teach you how to solve the black smoke from the engine

    There are many types of black smoke from the engine, such as: ①The machine has black smoke in a single action. It just smokes. ③Everything is normal when the high throttle is working, but it doesn’t work. When parking, the speed car will emit black smoke, and it feels like the car is back. ④320c ...
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  • Excavator parts maintenance—Teaching you to change the excavator oil supply pump

    Replacing the fuel supply pump is a very complicated task, and the cost of repair and replacement is very large. After all, this work requires very high maintenance technology, skills and care. Today we share the replacement steps and skills of the fuel supply pump, I believe it will be a great h...
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  • Gas consumption 29.5kg/100km, customer feedback of Cummins 15N natural gas engine

    Hello, everyone, I believe that everyone still remembers the shock brought by the heavy release of Cummins 15N natural gas engine in September last year. Since its release, 15N has quickly become fans with strong strength. Today I will bring you first-hand reports from our customers in Ningxia. ...
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  • The most comprehensive knowledge of hydraulic system introduction of XCMG wheel loader

    The hydraulic system of XCMG wheel loader  is a transmission form that uses the pressure energy of the liquid for energy transmission, conversion and control. It is mainly composed of the following aspects: 1. Power components: such as hydraulic pumps, which convert the mechanical energy of the p...
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  • Excavator engine maintenance method before shutdown in winter

    Excavators often have poor engine cooling and high temperature during the construction process, and the precision parts of the engine also have thorny failures such as thermal expansion damage and cylinder pulling. The occurrence of these problems excludes factors such as the wear of precision pa...
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  • HOW to repair komatsu excavator hydraulic pump PC200 , PC300

      Today, we will do detailed explanation about Komatsu machine pump. This hydraulic pump is actually a kind of plunger pump: Mostly, we use two models in PC300 and PC200. Those two models are 708-2G-00024 and the other is 708-2G-00023 Features of Komatsu excavator hydraulic pump ◆Axial plunger va...
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  • The big heart of excavators-engine maintenance methods

    Regardless of whether the engine is hot or not in spring, summer, autumn and winter, please raise your hand if you stop working and directly turn off the engine and leave! In fact, during the normal construction process, many excavators have this hidden wrong operation habit. Most people do not t...
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  • Analysis of the reason why the excavator is weak, the speed is very slow, and the pipe bursts frequently

    Simply mentioning the main relief valve, the first impression of all machine friends is that the valve is very important, and many very difficult failures are caused by the abnormality of the main relief valve, but the specific role may still be very important for everyone. strangeness. For examp...
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