Before you read this article from the domestic excavator parts supplier, you may have read a lot of related articles about excavator maintenance on the Internet. Today, the domestic excavator parts supplier has compiled the most useful 4 maintenance methods, I hope you have read it to help you. The intention of implementing regular maintenance on excavators is to reduce machine defects and extend machine service life; shorten machine downtime; improve work efficiency and reduce operating costs. Only need to deal with the fuel, lubricating oil, water and air, you can reduce 70% of the problems. In fact, about 70% of the problems are caused by poor management.

　　 1. Handling of fuel

Different brands of diesel should be selected according to different ambient temperatures; the diesel should not be mixed with impurities, dust and water, otherwise the fuel pump will be worn prematurely; the high content of white wax and sulfur in the residual fuel will cause harm to the engine; After daily operations, the fuel tank should be filled with fuel to avoid water droplets on the inner wall of the tank; before daily operations, open the drain valve at the bottom of the fuel tank to drain; after the engine fuel is exhausted or the filter element is replaced, the air in the road must be drained. The lowest ambient temperature 0℃ -10℃ -20℃ -30℃ Diesel trademark 0# -10# -20# -35#.

　 2. Handling of other oils

Other oils include engine oil, hydraulic oil, gear oil, etc.; different trademarks and different grades of oil cannot be mixed; different types of excavator oils add different chemical or physical additives during the production process; make sure that Clean with oil to avoid mixing of impurities (water, dust, particles, etc.); choose the oil label according to the ambient temperature and purpose. If the ambient temperature is high, oil with high viscosity should be used, and the oil with low viscosity should be used for low ambient temperature; the viscosity of gear oil is relatively large to get used to larger transmission loads, and the viscosity of hydraulic oil is relatively small to reduce liquid activity resistance. Table 2 Selection of Excavator Oil Container Outside Temperature ℃ Oil Variety Replacement Cycle h Replacement Amount L Initiating Engine Oil Pan -35-20 CD SAE 5W-30 250 24 -20-10 CD SAE 10W -20-40 CD SAE 10W -30 -15-50 CD SAE 15W-40 0-40 CD SAE 30 Rotating tissue box-20-40 CD SAE 30 1000 5.5 Shock absorber housing CD SAE 30 6.8 Hydraulic oil tank CD SAE 10W 5000 PC200 type: 239 PC220 type :246 CD SAE 10W-30 CD SAE 15W-40 Final Drive CD SAE90 1000 5.4

　　3, grease handling

　　 The choice of lubricating oil (butter) can reduce the wear of the moving surface and avoid noise. When storing the grease, do not mix in dust, sand, water and other impurities; it is recommended to use the lithium-based grease G2-L1, which has good anti-wear performance and is suitable for heavy-duty conditions; when refilling, try to squeeze the old oil as much as possible Remove and wipe clean to avoid sand adhesion.

　 4. Maintenance of filter element

The filter element has the effect of filtering impurities in the oil circuit or gas circuit, preventing it from entering the system and forming problems; various filter elements should be replaced regularly according to the requirements of the (operation and maintenance manual); when replacing the filter element, check whether there is metal attached to the old On the filter element, if any metal particles are found, diagnose it in time and adopt improvement measures; use a pure filter element that conforms to the machine rules. The filtering capacity of the fake and inferior filter element is poor, and the surface of the filter layer and the quality of the material do not meet the requirements, which will seriously affect the normal operation of the machine. Domestic excavator accessories

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