Excavator got "dementia" how to treat?

[BONOVO]

In engineering construction, a powerful and free excavatoris also a kind of satisfaction for each machine operator. Whether it is the excavator master, or the excavator boss, they are eager to work when the excavator is vigorous.

And facing a slow work, whether it is turning, walking, like Alzheimer's disease, digging machine, for the machine is also powerless to ridicule! Today I'm going to talk to you about why it's been so slow to find opportunities.

Question 1:
Walking, lifting arms, turning, digging bucket rotation and other operations. If it is a single operation such as walking, reversing, lifting the forearm, and retrieving the bucket, the speed is relatively slow. For example, the relief valve pressure of the excavatorrelated components is too low (to be tested); Pump, low pressure sensor, multi-way valve failure; Related solenoid valve failure, spool card.

Problem handling:
①. The component itself is faulty, that is, the operating component itself receives poor information or has poor contact during the implementation process, or the relief valve pressure of the relevant component is too low (the relief valve can control the overall pressure, and the hydraulic system will overflow if the relief valve exceeds the pressure that the relief valve can bear). The excavatorcan tap the component to see if there is any screw loosening or pressure test, so as to carry out maintenance treatment.

②. Preach the command process failure, focus on checking the pump, low-pressure sensor and multi-way valve situation to see if there is a failure. It is that a fault occurs in the process of command transmission, preventing the transmission of command signals. You can also carefully check the relevant solenoid valve failure, whether the spool hair card.

Problem two
① Hydraulic system
If the excavator is slow, the hydraulic system should be checked, whether there is daily maintenance on time, and whether the hydraulic oil is replaced regularly. The expired hydraulic oil will not only affect the effect and performance of the excavator, but also corrode the hydraulic wall of the excavator. At the same time, it should also check whether the hydraulic oil circuit and the return oil filter element are blocked, if there is a blockage, the oil circuit should be cleaned, and the parts should be replaced in serious cases.

The engine power is too low
Like the hydraulic system, the engine is also one of the power systems of the excavator. Low engine power will lead to low output power, and then the excavator will hold the car, making the excavatormove slowly. The output power of the engine is too low, the power is insufficient, whether all the cylinders can work at the same time; Check the engine for black smoke, if the fuel nozzle is seriously worn, it will also cause the engine power to decrease.

③ Hydraulic pump
The hydraulic pump output is insufficient, which is also one of the conduction failures of the hydraulic system. The excavatoroperator can enter the service diagnostic system to conduct relevant pressure tests to see whether the excavator is slow because of the conduction of the hydraulic pump.

Carefully examine from these aspects, let us get rid of the "dementia" of the excavator. Don't look at the steel bones of the excavator, in fact, we also need to care for it!

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