Regular maintenance of four-column hydraulic press

- Jun 12, 2020-

The regular maintenance of the four-column hydraulic press is a work carried out jointly by technically skilled personnel and operators. It is recommended to be used once every two months for the user units of the two-shift production.


The regular maintenance work of the four-column hydraulic press generally has the following content

①According to the structural characteristics, transmission characteristics, and usage conditions of the four-column hydraulic machine, remove the parts that can and need to be removed, such as box cover, protective cover, bearing cover, etc., thoroughly clean, clean and wipe, reinstall after adding lubricating oil.


② Clean and unblock the grease nipple, oil cup, oil pipe, etc. of the lubricated part, and add lubricating oil (grease) to ensure good lubrication.


③ Tighten loose parts that should be tightened.


④ Clean the guide rail and sliding surface to remove burrs and attached dirt.


⑤ Replace the vulnerable parts that need to be replaced according to the specific situation of the four-column hydraulic press.


⑥ Check and maintain the parts that need maintenance in the hydraulic system of the four-column hydraulic press according to the instructions. If cleaning the oil filter device, check the oil quality and quantity. Check the pressure gauge, oil pipe joints, and other parts to prevent oil leakage. Replace the sealing element of the joint part if necessary. Check the cleanliness of the hydraulic oil.


⑦ Check and clean the wiring and devices of the electrical part according to the requirements of the electrical part of the manual. Note: The maintenance of the electrical part must be carried out by qualified electricians.


⑧ Correct the indication display device of the four-column hydraulic press. Check the safety guards of the machine.


⑨Check the working conditions of the cylinder according to the requirements of the manual, and maintain it in strict accordance with the regulations to ensure safe use.