20 Ton Hub 50mm Hohlzylinder Hydraulikzylinder Hohlkolbenzylinder Kolbenweg

20T 2inch manual oil pump Hydraulic Cylinder Jack Specification: Capacity: 20T/44000LBS Ram stroke: 50mm/2in Hole Diameter: 28mm/1.1in Total Height: 160mm/6.3in Outside Diameter: 98mm/3.8in Inner Diameter: 78mm/3in Diameter of Mainshaft: 53mm/2in Matching pump: CP-700B Item Weight: 8.4kg/18lb Features: Made of solid metal construction, durable and stable. Easy to operate with manual /foot /electric pump. Can working for a long time. Can provide a reliable support during operation. Application: Can operate with many pumps: manual /foot /electric pump. Useful tool for riggers, fabricators, welders, and automotive body and frame shops.  Ideal for bending, straightening and pulling on trucks, tractors and heavy equipment. Operation: The product is consisted of a jack. It boasts compact structure and convenience for use. When using it, please insert the quick connector (6) of the rubber tube of oil pump into the connector of the jack, and screw down the sheathing of the quick connector, and then screw down the oil return valve (4) and release the hexagonal socket screw (2) at the rear of the pump, pull the handle (1) up and down to oferate it. Do confirm the center of gravity of the object to be lifted and select the working point when you use it. The object to be lifted is not allowed to exceed its rated weight, do not operate the product under the condition of overloading. Please screw out the hexagonal screw (3) at the rear of the pump to add oil if needed. The oil must be clean and use YU-N15 hydraulic oil.