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  • 8 tips for excavator maintenance

    8 tips for excavator maintenance

    1. When the excavator is stopped, carefully check whether the anchor screws and bearing shell screws are loose, the meshing and lubrication of the gears, and the bearings, power units, control systems, brakes, reduction boxes, crawler plates, and foundations. Whether the parts, cables, wire rope...
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  • Excavator construction safety tips 10

    Excavator construction safety tips 10

    1. When the excavator is going uphill, the driving wheel should be behind and the boom should be on top; when the excavator is going downhill, the driving wheel should be in the front and the boom should be behind. When going downhill, you should drive at a slow speed and no shifting is allowed ...
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  • Why should the excavator change the oil on time?

    Why should the excavator change the oil on time?

      1. Shelf life:   Over time, performance will be reduced, leading to accelerated wear of mechanical gear components.   2. Performance changes:   The physical and chemical properties of engine oil will change after high temperature operation in the engine, and its mechanical gear properties...
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  • Excavator maintenance in rainy season

    Excavator maintenance in rainy season

    1.To ensure safe construction, road condition inspections are indispensable   Generally, crawler excavators are not worried about road conditions, but they are worried about landslides during mountain opening and mining work, and they are worried about flooding in construction around the river. ...
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  • Basic methods and measures to prevent lubricating oil pollution

    Basic methods and measures to prevent lubricating oil pollution

      QUANZHOU DENA MACHINERY Professionally provide excavator accessories  bucket bush,Bucket Pins,Travel Reduction Gearbox,Swing Reduction Gear Box,Sun Gear and Planetary Gear,Swing Ring Gear,planetary carrier assembly,drive shaft.etc.we Provide customization.
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  • Types and hazards of lubricating oil pollutants

    Types and hazards of lubricating oil pollutants

    1 Types and hazards of lubricating oil pollutants  Contaminants in lubricating oil include various substances mixed in the working medium that are harmful to the surface life of internal combustion engine parts, such as solid particles, water, exhaust gas, diesel (gas) oil and polluting energy. ...
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  • How to troubleshoot the slewing motor of the excavator.

    How to troubleshoot the slewing motor of the excavator.

    The hydraulic motor is an energy conversion device, that is, the input liquid pressure can be converted into mechanical energy output. If the efficiency of the compressor itself is not considered, the energy input should be equal to the output. From this point of view, the inability of the hydra...
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  • Precautions for excavator operation in special environment

    Precautions for excavator operation in special environment

    1. Uphill and downhill.  When driving down a steep slope, you need to use the walking joystick and the throttle joystick to keep the driving speed low. When driving up or down on a slope exceeding 15 degrees, the angle between the stick and the boom should be maintained at 90-110 degrees, the di...
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  • How to work safely in the rainy season

    How to work safely in the rainy season

    How to work safely in the rainy season.  QUANZHOU DENA MACHINERY Professionally provide excavator accessories  bucket bush,Bucket Pins,Travel Reduction Gearbox,Swing Reduction Gear Box,Sun Gear and Planetary Gear,Swing Ring Gear,planetary carrier assembly,drive shaft.etc.we Provide customization.
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  • Why should the excavator oil be changed on time?

    Why should the excavator oil be changed on time?

    1. Shelf life:   Over time, performance will be reduced, leading to accelerated wear of mechanical parts.   2. Performance changes:   The physical and chemical properties of engine oil will change after high temperature operation in the engine, and its mechanical properties will also change acco...
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  • How to maintain the excavator in the rainy season

    How to maintain the excavator in the rainy season

    1. Check the road conditions.  The road surface is easy to cause water on the ground in rainy days. In mines and construction sites, many work roads were washed by heavy rain and pitted and piled up with mud, and the roads became abnormally slippery. In such a situation, the operator must carefu...
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  • How to clean the hydraulic system of a small excavator

    How to clean the hydraulic system of a small excavator

    Cleaning method of hydraulic system of small excavator:  1. When cleaning the hydraulic system of a small excavator, work hydraulic oil or test oil is often used. It is not recommended to use kerosene, gasoline, alcohol, steam, or other liquids. Prevent corrosion of hydraulic components, pipelin...
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