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Cause and treatment of customized 2 ton excavator Manufacturers china holding up

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  • Time of issue:2022-08-30 23:26
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(Summary description)(1) customized 2 ton excavator Manufacturers china productivity decreases 1) Failure reason: In the process of customized 2 ton excavator Manufacturers china maintenance, the working efficiency may be difficult to improve and the working speed may be slow. The main reason for the reduction of the working rate of the customized 2 ton excavator Manufacturers china is that the internal parts of the customized 2 ton excavator Manufacturers china are seriously worn, resulting in the reduction of the working power of the engine and the internal leakage of the hydraulic system. When the excavator operates for a certain time, the internal components of the excavator hydraulic pump, such as the cylinder, plunger, valve plate, nine hole plate and turtle back, will be worn. Various parameters are difficult to coordinate, resulting in internal leakage of the hydraulic system, insufficient flow of the hydraulic pump and high oil temperature, which greatly reduces the excavator rate.2) Fault inspection and maintenance

Cause and treatment of customized 2 ton excavator Manufacturers china holding up

(Summary description)(1) customized 2 ton excavator Manufacturers china productivity decreases
1) Failure reason: In the process of customized 2 ton excavator Manufacturers china maintenance, the working efficiency may be difficult to improve and the working speed may be slow. The main reason for the reduction of the working rate of the customized 2 ton excavator Manufacturers china is that the internal parts of the customized 2 ton excavator Manufacturers china are seriously worn, resulting in the reduction of the working power of the engine and the internal leakage of the hydraulic system. When the excavator operates for a certain time, the internal components of the excavator hydraulic pump, such as the cylinder, plunger, valve plate, nine hole plate and turtle back, will be worn. Various parameters are difficult to coordinate, resulting in internal leakage of the hydraulic system, insufficient flow of the hydraulic pump and high oil temperature, which greatly reduces the excavator rate.2) Fault inspection and maintenance

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2022-08-30 23:26
  • Views:
Information

(1) customized 2 ton excavator Manufacturers china productivity decreases

1) Failure reason:

In the process of customized 2 ton excavator Manufacturers china maintenance, the working efficiency may be difficult to improve and the working speed may be slow. The main reason for the reduction of the working rate of the customized 2 ton excavator Manufacturers china is that the internal parts of the customized 2 ton excavator Manufacturers china are seriously worn, resulting in the reduction of the working power of the engine and the internal leakage of the hydraulic system. When the excavator operates for a certain time, the internal components of the excavator hydraulic pump, such as the cylinder, plunger, valve plate, nine hole plate and turtle back, will be worn. Various parameters are difficult to coordinate, resulting in internal leakage of the hydraulic system, insufficient flow of the hydraulic pump and high oil temperature, which greatly reduces the excavator rate.

2) Fault inspection and maintenance

In view of this fault, the customized 2 ton excavator Manufacturers china requires the maintenance personnel to overhaul the whole excavator and replace the severely worn equipment parts. It is particularly important to note that if the working efficiency of the excavator is not slowed down due to long-time work, other troubleshooting of the customized 2 ton excavator Manufacturers china is required:

First, carefully check the fuse and other related circuits of the excavator circuit to determine whether there is a short circuit or a new circuit;

Check whether the pilot pressure of the equipment is normal;

Check whether the servo control valve system (servo piston) is jammed and whether the distributor confluence is normal;

Disassemble the hydraulic pump, measure the relevant data, analyze the professional data, determine the actual fault of the  customized 2 ton excavator Manufacturers china, and carry out targeted maintenance.

(2) the customized 2 ton excavator Manufacturers china is powerless in mining

1) Failure reason:

Excavation failure is one of the typical failures of customized 2 ton excavator Manufacturers china during operation. There are two main forms of this fault:

When the customized 2 ton excavator Manufacturers china is running, the engine does not hold the vehicle, and the load is very light;

During the operation of customized 2 ton excavator Manufacturers china, when the boom or stick is extended to the bottom, the engine will be severely braked, and in the worst case, the engine may shut down.

2) Fault inspection and maintenance

The customized 2 ton excavator Manufacturers china needs to analyze the problem concretely in order to dig out the powerless fault.

The customized 2 ton excavator Manufacturers china is weak but the engine does not stop. The power of the customized 2 ton excavator Manufacturers china is determined by the output pressure of the main system. The maintenance of the  customized 2 ton excavator Manufacturers china depends on the relationship between the absorbed torque of the oil pump and the output torque of the engine. If the engine does not hold the vehicle, it means that the oil pump absorbs less torque and the engine load is not heavy. If there is no obvious abnormality in the working speed of customized 2 ton excavator Manufacturers china, check whether the maximum output pressure of the main pump, i.e. the overflow pressure of the system, is normal. If the measured value of the overflow pressure is lower than the specified value, it indicates that the setting value of the overload overflow valve of the hydraulic circuit of the mechanism is incorrect, resulting in premature overflow of the mechanism and insufficient excavation power during the excavation process. Operation of customized 2 ton excavator Manufacturers china. For this kind of fault, the fault can be removed by turning the adjustment screw to adjust customized 2 ton excavator Manufacturers china.

The customized 2 ton excavator Manufacturers china is weak and the engine is running. The engine stalling indicates that the absorption torque of the oil pump is greater than the output torque of the engine, which makes the engine of customized 2 ton excavator Manufacturers china work overload. When this fault occurs, the maintenance personnel should first check whether the speed sensing system of the engine works normally. After comprehensive and careful inspection and troubleshooting, the engine speed sensing system function returned to normal, the engine braking phenomenon disappeared, and the excavation force returned to normal.

(3) other faults

There are also some other common faults during the operation of customized 2 ton excavator Manufacturers china, such as the failure of the working, slewing and traveling devices, which are caused by the failure of the oil pump, the insufficient working oil volume, the damage of the overflow valve, etc;

The deviation of customized 2 ton excavator Manufacturers china is caused by the performance of the oil pump, the failure of the running motor, and the damage of the oil seal of the central rotary joint.

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