Construction machinery repairing and maintenance knowledge for brand equipments Factory China - New - Liteng Machinery

22/Aug2022

Discussion On The Causes Of Severe Wear Of Hydraulic Pump Of Komatsu Excavato...

The serious wear of the excavator hydraulic pump has a fatal impact on the excavator. Therefore, such problems of the excavator must be solved in time. When repairing the excavator hydraulic pump, ...

22/Aug2022

The Accelerator Of Hitachi Excavator Is Shut Down When The Speed Drops

Oil leakage of engine booster of Hitachi excavator The supercharger of the engine leaks oil, and the intercooler of the engine is blocked for a long time, which leads to the blocking of the vehicle...

22/Aug2022

Komatsu Excavator Hydraulic Pump Repair Knowledge

The hydraulic pump is a kind of positive displacement pump. It consists of two gears, the pump body and the front and rear covers to form two closed spaces. When the gear rolls, the volume of the s...

22/Aug2022

Is The Blue Smoke From The Excavator Engine Mainly Caused By Burning Engine Oil?

The excavator emits white smoke when the water temperature is high. If the injection time is not running, it seems that the engine oil is burned. The engine oil pressure is too high, the oil seal o...

22/Aug2022

How To Solve The Problems Of High Engine Temperature And Arm Drop Of Komatsu ...

Find out the source of the fault. There are two points to pay attention to, one is the hydraulic pump; The metal scraps of the hydraulic pump can be found in the magnetic oil drain plug under the o...

21/Aug2022

Maintenance And Repair Of Working Device Oil Cylinder Of Komatsu Excavator

The materials excavated by the excavator are mainly soil, coal, sand and soil and rock after pre loosening. According to the development of construction machinery in recent years, the excavator has...

21/Aug2022

Maintenance Fault: High Water Temperature And High Oil Temperature Of Excavat...

It is very easy for excavators to have a fault phenomenon during construction on the construction site in summer, that is, high temperature. However, high water temperature and oil temperature are ...

21/Aug2022

Fault Analysis And Maintenance Of Sumitomo Excavator

Went to the field test and found that the whole vehicle did not move. The voltage of the pilot solenoid is measured by a multimeter. The voltage was found to be 26V, and no short circuit was found ...

20/Aug2022

Analysis Of Professional Maintenance Personnel: The Main Reason For The Engin...

The main reason why the engine of the excavator is blocked is that the power of the engine and the hydraulic pump is not matched, and the reasons for this are 1) lack of engine power and 2) excessi...

20/Aug2022

Excavator Maintenance: Safety Knowledge Of Excavator Hydraulic Pump Maintenance

1. The oil pipe shall be prevented from bending under operating pressure. The oil tank connecting the oil pump and the jack shall be kept clean. When it is not in use, it shall be blocked with scre...

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Discussion On The Causes Of Severe Wear Of Hydraulic Pump Of Komatsu Excavato...

The Accelerator Of Hitachi Excavator Is Shut Down When The Speed Drops

Komatsu Excavator Hydraulic Pump Repair Knowledge

Is The Blue Smoke From The Excavator Engine Mainly Caused By Burning Engine Oil?

How To Solve The Problems Of High Engine Temperature And Arm Drop Of Komatsu ...

Maintenance And Repair Of Working Device Oil Cylinder Of Komatsu Excavator

Maintenance Fault: High Water Temperature And High Oil Temperature Of Excavat...

Fault Analysis And Maintenance Of Sumitomo Excavator

Analysis Of Professional Maintenance Personnel: The Main Reason For The Engin...

Excavator Maintenance: Safety Knowledge Of Excavator Hydraulic Pump Maintenance