Vertical hydraulic jack

12-Oct , 23

First, the advantages of three-dimensional hydraulic jack1. Good durability, the use of special-grade seals, seal well and durable; Precision polishing and waxing, improve the life of the sealing ring; Pump core machining precision, internal seals are not easy to wear, easy to operate.

2. The use of high-quality steel processing to ensure the normal and safe rated deadweight tonnage, when the jack height is not enough, you can use the standby elevator.

Second, the use of hydraulic jacks

1. Before pressing, ensure that the oil valve is not rotated clockwise, and rotate out the height of some spare ascenders according to the height of the body from the ground.

2. Place the jack in the correct card slot to ensure that the contact surface of the jack is smooth and strong.

3. Lift up, ensure that the jack is placed safely, and the manual rocker can be lifted.

4. When descending, slowly turn the handle in the counterclockwise direction to loosen the oil return valve, pay attention to slowly spinning, can not be unscrewed.

Third, the use of hydraulic jack precautions

1. When there is a load, do not quickly loosen the oil return valve to avoid accidents and damage to the parts

2. Hydraulic jack oil is the medium, it is necessary to do a good job of oil and machinery maintenance work, so as to avoid blockage or oil leakage

3. New or long-standing hydraulic jacks, because there is more air in the cylinder memory, the piston rod may have a small jump phenomenon when used, and the hydraulic jacks can be used for no-load reciprocating movement 2-3 times to eliminate the air in the chamber.

Four, the maintenance of hydraulic jack

1. Put the jack in the vertical state, and the pump core piston will reach the lowest point

2. Take off the rubber piston on the jacket and inject the hydraulic oil until the oil plug

3. Check the lubricating transmission connection rod regularly. If not in use, the piston rod adjusting screw and pump core should be pressed down to keep it clean and rust resistant

4. Try to avoid placing it in a hum

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