Check the listing for details. Hydraulic Hole Punching Tool Kit with Double Acting Pump Copper Hole Puncher Set. Condition: New. Listed at 521.55 USD. Electric Hydraulic Hole Punching Tool & Pump Set Technical Parameters of pump: Model GYB-630-2 Function Double-acting, manual valve Rated Pressure 70Mpa Oil Flow 0.6-7L/min Control Foot Switch/Hand Switch Voltage 110V/ 60Hz / 750W Oil Capacity 7L Specification: Should be used first quick connector quick connector sets equipped with hydraulic equipment connected. When plugged in, press the power switch to operate for some time, in the absence of pressure, the output hydraulic oil all the work, and the output hydraulic oil within creasing load all the work up to 70Mpa, the need to buck their own supercharged, press the solenoid valve switch the pressure back to zero and hydraulic equipment, hydraulic oil back to the fuel tank. Remove the quick connector sets the end, unplug the power. Notice: Before using the pump, check the oil tank of the pump, make sure there has enough oil in the oil tank and higher than the oil-window. 1.Open the air-out screw before operating the pump; 2.Inspect the oil pressure by the gauge; 3.Change the hydraulic oil every 18 months; 4.Filter the oil before changing the oil,#10 hydraulic oil is recommended; 5.Handle the pump at 10-50℃; 6.Stop working once the motor is hotter to a higher temperature to protect the whole pump system; 7.Keeping replacing the oil hose once any damaged or aging, the standard rated pressure of oil hose is 70Mpa; 8.Replace the bearing and lubricate them according every 18 months. Common faults and solutions: Faults Reason Solutions Motor Abnormal Electric power Check the power Pressure Abnormal Oil leaking Make inspection and replce the new O-rings Oil flow insufficient Oil Add oil or change hydraulic oil Item number : 230550 Electric Hydraulic Pump Hydraulic Hole Punching Tool It is split hole puncher. It is used for punching for metal plate. It is popular in electricity industry, construction, etc. It need to work with a pump. It could punch 0.41"(ф10.5mm), 0.54"(ф13.8mm), 0.67"(ф17mm), 0.81"(ф20.5mm). Punching force 310KN(31T) Depth of throat 3.74"(95mm) Aperture(4 pairs) 0.41"(ф10.5mm) 0.54"(ф13.8mm) 0.67"(ф17mm) 0.81"(ф20.5mm) Max. Thickness of iron plate 0.24"(6mm) Max. Thickness of copper bar 0.39"(10mm) Max. Thickness of angle iron 3-10# Weight 39.6LB(18KG) Feature: 1. Hydraulic Hole Punching Tool CH-60A apply to L and H style flat copper and busbar. 2. End is designed with flat seat, smooth and not fall 3. Single oil return, punch dies made of high carbon tungsten steel and not easy to wear off. Item Included:(148027) 1set Hydraulic Hole Punching Tool with four dies (one of the four is in the puncher) On Dec-27-21 at 00:21:42 PST, seller added the following information: