Why is there no pressure in the four-column hydraulic press?

Why is there no pressure in the four-column hydraulic press?

First of all, you should first check whether the circuit of the four-column hydraulic press is connected properly. Our circuit is connected to the point of three-phase four-wire. It is necessary to connect the zero line. How to check whether the circuit is connected? Check whether the motor is running forward through the electric fan. , if it is rotated, please connect the power from the beginning, and turn the wire back and forth.

Second, when it is determined that the power is not connected incorrectly, check whether the oil is added to the center of the four-column hydraulic press. Assuming that the hydraulic oil is less than the four-column hydraulic press, there will be no pressure. It is recommended to add oil to the center of the four-column hydraulic press. It can’t be less, and it can’t be added too full. If it is too full, it will overflow. If there is too little oil, it will not be able to be pumped. Moreover, too little oil will also affect the heat dissipation. Assuming that the hydraulic oil is in place, If the piston rod is still not moving, disassemble the pipe of the oil inlet and check that there is no oil. Assuming that there is oil, see Check the valve core of the reversing valve, and pass the valve core! This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!

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