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

15/Aug2021

Judging Method Of Tapping Motor Arms Down Fault

1. The reason for the automatic drop failure of excavating motor arms After a hydraulic excavator, some will have an automatic decline in boom, resulting in slowing the boiling speed, and can't...

15/Aug2021

How To Detect The Throttle System Of The Loader?

The use of the loader is not static. If the usage is too long, a series of situations will occur. In this case, people often do maintenance. In my opinion, when I heard the entire machine is very w...

12/Aug2021

Hydraulic Excavator Rotation And Weak Failure

1. Features of the rotary hydraulic circuit 1.U-type median slide valve function Due to the large rotation inertia of the rotary mechanism, in order to prevent the rotary driving oil from generatin...

12/Aug2021

Fault Analysis Of Full Hydraulic Excavator Plunger Pump

Hydraulic pump technical performance is usually referred to as the pressure and flow of the pump. Wear, oil pollution, etc. in use, can result in volumetric efficiency, decrease in pressure and red...

12/Aug2021

Hyundai Excavator Back Motor Working Principle

This type of motor does not calculate the valve of the balance function. When the rotational speed is greater than the hydraulic oil supplied by the motor, in order to prevent the pitch caused by i...

12/Aug2021

Hyundai Excavator Back Motor Working Principle

12/Aug2021

Clearing Method For Tank Dirt in Excavator Repair

(1) Purifying the method. That is, some diesel is retained in the tank, and then 19.6 ~ 29.4 kPa compressed air is passed through the plastic tube into the bottom of the fuel tank, and the diesel i...

12/Aug2021

Decomposition And Installation Of Hyundai Excavator Main Control Valves

Preparation 1 All hydraulic components are very fine 名媛直播, so a clean workplace must be selected before disassembling. 2 When the Hyundai excavator disassembles the control valve, pay attention...

11/Aug2021

Removal And Installation Of Hyundai Excavator Main Control Valve Assembly

1. Removal of the main control valve assembly 1 Reduce the workfinder to the ground and stop the engine. 2 Modern excavator operating the joystick and the pedal to the hydraulic line pressure line....

11/Aug2021

Hyundai Excavator Relief Valve Composition Principle

(1) Hyundai excavator overflow valve The valve housing contains two types of relief valves to stop the hydraulic motor and the opposite rotation. The rotary operation when the overflow valve is red...

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Knowledge

Judging Method Of Tapping Motor Arms Down Fault

How To Detect The Throttle System Of The Loader?

Hydraulic Excavator Rotation And Weak Failure

Fault Analysis Of Full Hydraulic Excavator Plunger Pump

Hyundai Excavator Back Motor Working Principle

Hyundai Excavator Back Motor Working Principle

Clearing Method For Tank Dirt in Excavator Repair

Decomposition And Installation Of Hyundai Excavator Main Control Valves

Removal And Installation Of Hyundai Excavator Main Control Valve Assembly

Hyundai Excavator Relief Valve Composition Principle