Specifications:Model: V-0.17/8Exhaust volume: 170L / minExhaust pressure: 8bar/ 115PSIPipe joint: 19mmPulley size 250mmMatching power: 1.1-1.5kwCylinder diameter: 51mm * 2Speed: 1050rpm/minmodel：V-0.17/8power：2HPMaximum pressure： 115PSIPulley diameter： 250MMNozzle thread ： American 3 / 4-16 (external diameter of thread: 19mm)Revolutions: 1000-1100revolutionsCompression pump：Single StageInstallation notes:1、 When placing the pump head, the motor pulley and the belt pulley must be in the same straight line. The more aligned, the less vibration.2、 Tighten the screws (including the base and pulley screws).3、 After the screws are installed, the belt shall be tightened. If the belt is loose, please move the motor. After the screws are tightened, re-install the belt.4、 The new machine must be filled with engine oil before starting, and the engine oil shall be added to the center of the red point of the oil mirror.5、 The rotation direction of the pump head is clockwise. If it reverses, please adjust it in time.6、 Change the oil for the first half month, the second one and a half months, and the next two to three months.7、 Replace the air filter regularly. Under normal conditions, it must be replaced in two to three months, and in case of poor environment, it must be replaced in one month.8、 The operation of the machine will produce high temperature, be careful not to burn!Item included:1*V Type Twin Cylinder Air Compressor Pump Head