The reason for Komatsu excavator is not working hard

When many bosses buy millions of excavators, they will never think that the steel giants have the same delicate moments as 'Lin sister'. The komatsu excavator spare parts does not work hard, and the construction does not rotate when the construction is starting. I can't lift it, my arm can't fall... The bosses who are almost forced to cry with a excavator!

Summary of faults

In the final analysis, only knowing the cause of the malfunction of the excavator spare parts or the malfunction of the action can be the right medicine. The following are the key points of the top priority. Everyone must play a 12-point spirit and read it carefully!

Most of the excavators are not working or the action of the excavator is caused by the valve stem, the holding valve, the overflow valve of the working device, the spring of the confluence valve, the valve body, the check valve, the wear, or the damage. In addition to this, solenoid valve, magnetic coil, and spool damage are also the main causes of this failure.

Location and function

Simply knowing the cause of the fault can only be found as a knocking brick to solve the fault, and troubleshooting the abnormality of each valve stem of the main control valve one by one! The following is a small series of PC200-7 and PC200-8 for the introduction of the main control valve. The position of the valve stem and which working devices are controlled. Shandong Jinyao Engineering Machinery Co.,Ltd

PC200-8 main control valve position