Our factory based on the experience summary of various models of excavator holding down flame failure cases that have been repaired for many years. The common reasons for the failure of "Volvo excavator holding down flames"
1. There is a problem with the computer board of the Volvo excavator.
2, or there is a problem with the solenoid valve of the excavator.
3. The air filter element of the excavator is dirty or broken
4. Volvo excavator engine oil blockage.
5. Insufficient diesel supply and air intake.
6. The hydraulic oil filter is clogged.
7. The mediator card is stuck.
8. In addition to the above reasons, the diesel used by the Volvo excavator is too poor, and it will also cause the excavator to hold back the car and stall.
Supplement:
Generally, the phenomenon of Volvo excavator holding vehicle failure occurs because the power of the hydraulic pump of the excavator is greater than the power of the engine. Therefore, the phenomenon of holding the truck or even stopping the engine occurs. Whether the power of the pump and the power of the engine match. The method of inspection can be to reduce the power of the hydraulic pump of the excavator, and then see if the Volvo excavator is working properly? If it is still not normal, then it means that it is not a hydraulic pump The problem is to check the engine. Generally, it is mainly to adhere to the fuel supply system of the Yiha engine to see if the fuel supply line is blocked, or whether the filter element is dirty, and whether the hydraulic oil filter is blocked by dirty things. and many more.
If the Volvo excavator appears to hold back or even shut down when it is in use, and it also emits black smoke, then the cause of the failure must be that the power of the hydraulic pump of the excavator does not match the engine power. If it does not emit black smoke, then explain The fuel supply of the Volvo excavator cannot increase with the increase of the engine load. It is necessary to check the fuel supply system of the engine to see if the oil path is blocked? Is the pressure of engine fuel supply low?
