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Excavator Winter Maintenance Manual
As a large-scale construction equipment for basic industry construction, the fuel expenditure of the excavator is one of the important cost expenditures of the operator. Therefore, saving fuel and reducing consumption has become a magic weapon for operators to reduce costs and increase profits. Today, MyMROmarts will talk to you about fuel-saving tips.
- Engine oil (replacement cycle 500h)
As the lubricant of diesel engine, engine oil is equivalent to the blood of diesel engine, which can effectively lubricate and reduce friction, relieve friction and high temperature for the engine. The engine oil forms a sealing ring between the piston ring and the piston, which can act as a barrier. By reducing gas leakage and preventing external pollutants from entering the engine, it can reduce engine power loss and reduce fuel consumption.
Just as winter is approaching, please check the engine oil label and oil cleanliness of your favorite machine. If the temperature at the construction site is low or the oil cleanliness is too low, remember to replace the appropriate engine oil in time.
- Air filter(replacement cycle 2000h)
As the main equipment of foundation construction, the excavator is in a harsh working environment all the year round. The air filter element is used as the mask of the engine to ensure that the air inhaled by the engine is clean. If the air filter element is too dirty, it will make the engine insufficient, resulting in increased fuel consumption of the diesel engine, insufficient power and black smoke failures.
Everyone should also check the fuel system of the diesel engine in time. Once there is oil leakage in the diesel system, it will cause a lot of fuel loss over time. The common faults are: the joint surface of the oil pipeline is uneven, the gasket is deformed or there are holes in the damaged surface.
- Reasonable selection of working gear
If the diesel engine has been idling at a high speed, so that the diesel engine runs at a speed higher than the idle speed and the fuel supply is at an idle state, at this time, attention should be paid to adjusting the engine speed in time to avoid idling at high speed. At the same time, it is also necessary to avoid the overload operation, which will turn a considerable part of the diesel into black smoke, and discharge the engine without sufficient combustion, resulting in increased fuel consumption.
- Clean up the fuel tankin time
After using diesel oil (replacement cycle 500h) for a period of time, it is necessary to remove some minerals or impurities deposited at the bottom of the fuel tank. If it is not cleaned regularly, it will have a great impact on the normal operation of the plunger and the fuel injection head, which may easily cause fuel supply problem.
- Properly warm up the car
In winter, due to the drop in temperature, the viscosity of diesel oil and engine oil in diesel engines will increase due to the drop in temperature, making it difficult to flow. At this time, after starting the vehicle, warming up the vehicle with low load can increase the temperature of the engine itself, which is conducive to the uniform mixing of diesel and air in the cylinder, and on the other hand, through the movement of the diesel engine, the oil in the lubrication system will be driven to all parts. Lubricate the parts that need to be lubricated to reduce unnecessary wear. However, if the car is warmed up for a long time, the pressure of the fuel pump will decrease, the atomization of the diesel oil will be insufficient, and the mixing will be uneven, which will also cause the diesel oil to be unable to fully burn, resulting in black smoke. At the same time, due to the incomplete combustion of the engine, it will lead to serious carbon accumulation in the combustion chamber.
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